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Event ID 129, iaStorA “Reset to device, \Device\RaidPort0": could software cause this ?

Q: Event ID 129, iaStorA “Reset to device, \Device\RaidPort0": could software cause this ?

I don’t know what to do next with creeping Event ID 129, iaStorA “Reset to device, \Device\RaidPort0, was issued.” on my Precision M4700 running Win7/64 SP1.
I don’t know exactly when it started (but at least 2 months ago, the approx. size of my Windows System log), but lately I noticed unexpected system freezes; since they mostly (if not always) happen when I launch or use a particular, demanding application, I first thought it was a software problem.
But eventually I had the idea to look at the Windows logs, and noticed a relatively large number of Event ID 129, iaStorA “Reset to device, \Device\RaidPort0, was issued.” which, as I understand it, is a symptom of a low-level hardware issue with the (system) disk or controller. And I then noticed that these Events appeared right after the system “freezes”, which can be as soft as that app freezing (and then, one of the CPU cores is maxed out for process “System Interrupts – Deferred Procedure Calls and Interrupt Service Routines”: as soon as this process drops its CPU usage back to normal, the app “unfreezes” and finishes to load/work) or as hard as the system becoming severely unresponsive, with mouse and cursor locked etc.
I ran the Dell diagnostics on this system, and neither the disk nor the other hardware components reported issues there. Digging deeper, I eventually noticed an “abnormal” number of ECC errors for the offending disk SMART test. So I went ahead and swapped the disk with a brand new one, and successfully cloned the partitions to this new disk.
But the problems are still there….
I have the latest DELL drivers for this system, including the Intel RST driver+app, and “Link State Power Management” is disabled both in Windows power settings (for PCI Express) as well as in Intel RST (I read somewhere that the latter supersedes the setting in Windows Power Options).
So I’m puzzled: before I go ahead and reinstall my system from scratch, I would like to be sure there is a significant chance that the problem root cause could be software-related (and could disappear with a fresh OS installation); if not, which is likely since Event ID 129 is supposed to be hardware related, reinstalling my system from scratch would be wasted time, right ? And if hardware-related, why is the problem appearing exclusively with one app (this is not 100% sure however) ? And finally, with a brand new hard disk and diagnostics returning “pass” everywhere, where should I go now ????
Recap of symptoms:
1) (Apparently random) system “freezes” (1 or more minutes long); mostly if not exclusively when launching or working with a specific application.
2) When system state allows, I observe “System Interrupts – Deferred Procedure Calls and Interrupt Service Routines” consuming about 10% of total CPU (one of 8 logical cores near 100%) during that “freeze” state.
3) Event ID 129 logged after that.

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Preferred Solution: Event ID 129, iaStorA “Reset to device, \Device\RaidPort0": could software cause this ?

I recommend downloading and running DAP. It can help sort out any driver and firmware related issues on your system

It's worked out well for many of us in the past.

You can download it direct from this link http://downloaddap.org. (This link will open the download page of DAP so you can save a copy to your computer.)


I have this event in event veiwer and i havent noticed anything out of the ordinary currently Regardless of my computer having some other issues currently. I have read some forums and some of the microsoft forums are saying that it is not a microsoft
issue (hope my post helps direct those who dont know that if that is the case) I am wondering if having the storage controllers enabled are throwing up this warning?

Log Name:      System
Source:        amd_sata
Date:          7/20/2012 11:16:54 AM
Event ID:      129
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      Bill-PC-1
Reset to device, \Device\RaidPort0, was issued.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
    <Provider Name="amd_sata" />
    <EventID Qualifiers="32772">129</EventID>
    <TimeCreated SystemTime="2012-07-20T16:16:54.900559300Z... Read more

A:Event 129, amd_sata Reset to device, \Device\RaidPort0, was issued.

Jraid.sys is part of JMicron JMB36X RAID Driver developed by JMicron Technology. The event log means if a device is not working properly,  its driver fails to load when Windows starts. If you don't configure RAID, you can disable these controllers.

Meanwhile, please update the BIOS, chipset, controller driver from computer manufacturer's website manually for a test.
Niki Han
TechNet Community Support

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Our disk drive light was always flashing so we checked the event log.  Every 4-6 seconds an iaStorAVC warning 129 is entered in the event log as: Reset to device, \Device\RaidPort0, was issued.
Whatever is going on every few seconds has to be bogging down our HP Pavilion Media Center computer running Windows 10.  Our system has an SSD boot drive installed a year ago and a new 6TB Western Digital Black data drive that replaced a failing Western
Digital 4TB Blue drive.  We used to use RAID on this machine, but now have just the two independent drives listed above.  What is generating this warning, how is it affecting our system performance, and how can we stop it from happening?

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I have a DELL XPS 13 9343.I have made a Clean install of Windows 10 and downloaded drivers from dell.com.I am also running Hyper-V.I get repeated Warnings in my System Envent Viewer saying:
Reset to device, \Device\RaidPort0, was issued.Source: storahci
Just Before i get these events my computer freezes for 10-20 sec. and I can´t do anything.This is very anoying and I hope there is a fix for this?Thanks in advance.

A:Reset to device, \Device\RaidPort0, was issued. Event id: 129 storahci

I am also experiencing this issue on an Inspiron 7437 and have been attempting to find a solution for several months now. I have done clean installs of windows 10 as well and I have posted on the Dell forums with no response. Same exact issue except the source for me is iaStora.

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Im experiencing sound stuttering on Windows 8, no problems on win7. Using Asus Xonar U3 with latest audio drivers, same issue with built in Conexant with latest drivers. Attaching xperf
file. Have You any ideas how to fix it?

A:Windows 8 ssd freeze "Reset to device, \Device\RaidPort0, was issued."

I wrote again to Intel and Microsoft. Microsoft said that Intel should fix it and Intel said that they dont give a shit so we are on our own but i've found a workaround to minimize this problem!
Use generic Microsoft driver (NO INTEL RAPID STORAGE DRIVER)
Fix by me
Easy way:
1. Download this file - www.godlike.hekko.pl/inne/NoLPM.reg
2. Apply it to the registry (just 2x click)
3. Restart your computer
4. Sound will now stutter very rarely and if it does then just restart PC. It won't stay after reboot as it was before.
Expert way:
1.Open Regedit
2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci\Parameters\Device
3. There's undocumented registry value NoLPM. As far as I know no one knows about it and no info on the internet. I found it by myself when searching for fix in the registry.
4. As you can see there are blacklisted drive names there but there's no our drive there and that's the problem
5. Remove all values completely then insert * and do line break after(VERY IMPORTANT)
It has to be that value:
6. Your drive will now be blacklisted and LPM command wont be send ever
7. Restart your computer
8. Sound will now stutter very rarely and if it does then just restart PC. It won't stay after reboot as it was before.

Best regards

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I hope someone can help, I'm pulling my hair out over this.
I have 16 new latitude E5470 laptops in a classroom that intermittently freeze and hang up, and there are a lot of "Reset to device, \Device\RaidPort0, was issued", Source iaStorA, Event ID 129 events in the system event log.They all have the same Windows 7 SP1 64bit image.It's random and intermittent.They were originally configured with the BIOS SATA config set to RAID; I changed it to AHCI but that didn't help.I've run Dell System Detect so they all have the most recent drivers and BIOS updates from Dell.I've set the PCI Express Link State Power Management to "OFF".I've seen the verified solution in this thread: en.community.dell.com/.../19658497, but those registry entries are not present in these laptops.I've disabled the Intel SpeedStep in the BIOS
It's really annoying because I can make a change that I hope will help, and they seem to work fine when I check them during the day, but by the next morning most of them have frozen again.
Thanks in advance for any help

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Hi, I get random freezes on my pc and when I check windows event viewer, I see "Reset to device, \Device\RaidPort0, was issued.", Event ID 129. Any idea why this could be happening? I've checked my RAM, ran chkdsk on both of my drives(SSD AND HDD), and also ran "sfc /scannow". How can I fix this freezing? I have also installed the latest drivers for everything.

Mobo: Gigabyte GA-F2A88XM-D3H Micro ATX FM2+

HDD: WD 1TB Blue

SSD: SanDisk SSD Plus, 120 gb

Windows 10, 64 bit

GPU- R9 270X Asus

CPU- A10 7700K

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First, I would like to start off by saying that this is not a Windows 8 exclusive problem, I've had it in Windows 7 and upon install to Windows 8, it still occurs, which is leading me to the conclusion that this is a hardware problem.

Ever since I built my machine in early 2014, it seems like it randomly freezes, there doesn't seem to be any root cause behind the freezing. During the freezing, it's 'responsive' but anything that requires disk access does not work, the drive indicator light on my case stays solid. I've also noticed especially lately, that when I play GTA San Andreas (a multiplayer extension) that my game tends to randomly freeze and if I unplug a USB and plug it back in, it usually unfreezes, if not, when I hit the power button, it instantly unfreezes (this freeze actually locks everything up, not just the disk); when playing BF3, it doesn't happen, but GTA SA is a pretty old game.
Also, on occasion, when shutting down my computer (sometimes abruptly due to above problems), the HDD isn't always detected, in that case if I unplug and re-plugin the SATA wire, it usually fixes it.

I run what I feel is a pretty typical setup, a FX-6300, a MSI 970a-G46 motherboard, 8GB of G.SKILL Ripjaw's, and a HD 6870 as a GPU. I've tried changing my drive controller mode from IDE to AHCI, which did seem to help with decreasing the frequency of the freezing, but it still occurs.
I'll list some things I've done as troubleshooting:
-Replaced my old HDD with a new WD Black
-... Read more

A:Random freezing - 'Reset to device, \Device\RaidPort0'

First, there aren't any real, 100% effective tests for motherboards.
It's too expensive to make a test for a product that has such a limited life-span.

Without any reports, it's difficult to offer an opinion here.
I'd suggest that you provide this information so we can provide a complete analysis (from the Pinned Topic at the top of the forum): Blue Screen of Death (BSOD) Posting Instructions Please use Option 1 as it provides Event Viewer logs.

From your description, it appears that you've done a good job of troubleshooting this.
You've ruled out the hard drive and the video card - those are the major concerns with errors like these.

You've also noted an issue with the USB ports.
Did you try the ports in the back of the system to see if they act the same as those in the front? I realize that this may be difficult as you've stated that the ports usually help in fixing the freezes
If it's only the front ports, then it's possible that they're defective (and causing issues w/the mobo) - but if it's the back ports also, then it's (IMO) most likely the mobo

If you can get an RMA, this would be the easiest way to rule out the motherboard.
It depends on what you installed/connected to the motherboard - but in most cases if the problems continue after reinstalling the OS, then it's likely to be a hardware problem. Each extra thing that's installed/connected increases the chance that it may be something other than the motherboard.

I had disk access problems with a Win7 system... Read more

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this happens to me sometimes. like once or twice a day. The whole system freezes form minute or so then.
I dont know what to do. I dont even use raid. How can i detect which hard disk is raidport0?
can anybody help me? :(

Im using
gigabyte 7vt600p
athlon 2600+
geforce 7600
main hard drive is western digital sata
i also have old ata disk in computer

A:Reset to device, \Device\RaidPort0, was issued.

here is aditional information
Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="viamraid" />
<EventID Qualifiers="32772">129</EventID>
<TimeCreated SystemTime="2008-06-18T09:07:42.865Z" />
<Security />
- <EventData>

what is that viamraid?

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Hi guys, found this site while looking around online for advice and am hoping someone can help.

My system is 18 month old and on and off as had problems with crashing, up to recently it has always been a kernel power 41 error but only happened occasionally so I just put up with it.

Recently the system has been hanging completely, sometimes I'll get a "windows explorer has stopped responding" message but the system is usually non responsive so I have to force shut down.

I have attached screenshots of the event viewer error log and of speedfan as I'm not sure if it may be an overheat problem or not. I have a spare hdd ready to put a new os on if it is the hdd failing, got a feeling it's not going to be that easy though and the mini tower is not the easiest to work with. Any advice or guidance here is welcome

A Happy New Year To You All

A:Device: \Device\RaidPort0 Errors

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This is a problem with my own laptop, and I've just updated by specs.

I almost exclusively use IE11 and it's been freezing up a lot lately for 30 seconds to a minute. I've done the whole checking for malware (Malwarebytes, JRT, ESET Online Scanner, ADWCleaner), as well as a reset to IE, and nothing has made a difference.

I checked Event Viewer and saw a whole slew of Reset to device, \Device\RaidPort0, was issued messages under System with a Source of amdsata.

I've downloaded and run Speccy if you need any more details for my system.

A:Reset to device, \Device\RaidPort0

Did you try Internet Explorer (No Add-Ons) - Open?
How about Safe Mode with Networking? Safe Mode
Or another user account? User Account - Create

RaidPort0: That's possibly your HDD (or perhaps the DVD drive). You can check the HDD health with its manufacturer's tools.
Also, check in BIOS what SATA Operation Mode are you in - AHCI or RAID?

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Today I looked through the Event Manager Utility of Windows XP and I've seen this error there, about 15 times.

The device, \Device\Harddisk2\D, has a bad block.

Event 7.

Does this mean that I have a bad on my HDD or could it be some error, like windows can't read a corrupted file?
Thank you!

A:The device, \Device\Harddisk2\D, has a bad block. - Event 7 in Event Manger.

Backing it up and reformatting it may help. Before that, error check it.

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I am getting four megasas2 as Source with Event ID 11 errors in succession in Event Viewer on a computer running Windows 8.1 every time the computer goes to Sleep or Hibernates. On the General tab, it says: "The driver detected a controller error on \Device\RaidPort0." I have a LSI RAID Controller using the next to the latest firmware and drivers. I updated drivers and firmware to the latest version for Windows 8.1 and my computer became almost totally unusable! I have an ASUS Sabertooth 990FX Rev 2.0 motherboard with the latest AMD chipset drivers but they are for Windows 8.

I have attached a zip file showing the Events, for your reference. I have contacted both LSI and ASUS about this issue.

Does anyone know why am I getting these errors?


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We used to have "stereo mix" option that enabled streaming audio recording without having to have the audio playing through the speakers. How do I do that now? What replaces that capability? Who makes my sound card? Why is that not readily available somewhere in Dell land? I can't believe forum searching found pretty much nothing on this.

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This is confirmed with IE11. However if set Microsoft Edge as default web browser, the issue is gone.

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I have a 5-year-old Asus z70Va laptop. The hard drive is a PATA, and the system is running XP Home SP3. The problem I am about to describe started roughly a year ago, and has re-occurred at least 5-6 times.

I will be listening to audio (off the main hdd, not the DVD drive) when the problem starts -- usually streaming audio, though it has also happened twice when Outlook was playing a wav file as part of an Outlook rule I set up to flag emails from a particular sender. Interestingly, the error has *never* occurred when I have been playing a video file with audio.

What happens is that the music will sound as if it is getting "stuck" on one note or passage. It sounds distorted. It may pass quickly, but then will happen again ten-thirty minutes later, even if I stop and later restart the audio file (or stream). Once it recurs, I end up with this message in Event Viewer (System):

Event 9: The device, \Device\Ide\IdePort0, did not respond within the timeout period.

If I don't stop the audio immediately, the distorted and very discordant "stuck" audio continues, leading to a series of Event 9's before I can stop the player. But about every other time that happens, I *can't* stop the player; instead the computer freezes up (sometimes going to a BSOD), and when I restart I find that I now also have a series of bad block errors on a previously clean drive (usually 2 bad clusters).

So I end up replacing the drive, but then a month or two later the... Read more

A:Strictly Audio-Related Serious Event 9 Errors (The device, \Device\Ide\IdePort0...)

The audio is just a coincidence, not a symptom.

Bad sectors are a sign of a hardware issue with the HDD. Software won't cause bad sectors on a HDD. I'd suspect a bad HDD. If you have replaced the HDD multiple times, then there is an underlying hardware issue (ie: motherboard/controller issue or power).

Also, if you have to "whack" anything, there is a hardware issue. It's typically a sign of a loose of faulty connection. Otherwise "whacking" it wouldn't do anything.

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I receive this error message in the Windows System log regularly. Device Manager does not show any malfunctioning devices.

Apparently csvol service is part of HFS+ for Windows. This is a program that allows reading of HFS+ file systems on Windows. I did install that.

And I believe these Event ID 7000 errors are related to a service failing to start. maxView Storage Manager Agent service will not start. It is set to 'automatic start' in the Services viewer app. However, I find that it is not started, and if I attempt to start it manually, I receive a message stating it started and then stopped, "Some services stop automatically if they are not in use by other services or programs." That should not be the case with this service.

I'd greatly appreciate any help with this!
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Service Control Manager" Guid="{555908d1-a6d7-4695-8e1e-26931d2012f4}" EventSourceName="Service Control Manager" />

<EventID Qualifiers="49152">7000</EventID>






<TimeCreated SystemTime="2016-06-19T01:55:30.224060300Z" />

<EventRecordID>33731</EventRecordID&g... Read more

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"no audio device" "no playback device" "No Sound Card was found"
ok.. I'm stuck.. puzzled...

I recently had a professional computer fix it company wipe my computer and now I do not have any sound. I do not have even the little icon on the bottom left hand corner to turn volume up or down. My keyboard does not allow me to turn the volume up or down, it seems unresponsive to volume but does light up on the screen showing VOLUME... but of course, there is no volume... I am computer illiterate and thirsty for answers...

Operating System
Microsoft Windows XP Professional (5.1, Build 2600)
Media Center Edition Version 2002 Service Pack 3

System Manufacturer: HP Pavilion 061

System Model
Enclosure Type: Desktop
RC663AA-ABA a1640n

BIOS: Phoenix - AwardBIOS v6.00PG

Intel(R) Core (TM)2 CPU
6300 @ 1.86GHz (2 CPUs)

Memory: 2046MB RAM

DirectX Version: DirectX 9.0c (4.09.0000.0904)

Control Panel>Sounds and Audio Devices>Volume
indicates "no sound" and Device Volume is all the way to LOW and everything is GREY and untouchable/unchangeable

Control Panel>Sounds and Audio Devices>Audio
indicates "no playback devices" on Sound Playback

Sound recording is working fine as I use skype many times but I can not hear the other party but they can hear me just fine.

Starting with the BIOS, I went into Audio and made sure this was enabled.. it was...

downloaded/installed Microsoft... Read more

A:"No audio device" -- "no playback device" -- "no sound card was found"

STLj said:

after RUN>
typing in "dxdiag"
it reads under notes,
"No sound card was found. If one is expected, you should install a sound driver provided bv the hardware manufacturer".

This is where I get fuzzy and lost. Do I need a new sound card installed? Is that the problem?Click to expand...

That dxdiag "no sound card" message is misleading as I've found it says that if no driver OR sound card. I think you're missing the right driver

Also, it would seem from your post you have High Definition (HD) audio. Which means you'll need to find the right High Definition audio driver. (AC97 pre-dates HD audio so the Realtek AC97 couldn't be right)

Try starting on the HP support website HERE and enter your model number or they have a button where they'll try to identify your product and drivers for your model. They should list an HD audio driver there

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when i try to burned one dvd the system shoe me the error "Reset to device, \Device\RaidPort1, was issued."

MB: MSI k9n sli platinium
chipset: NVIDIA? nForce 570 SLI MCP
MEM: 4 gigas
HD: 3 hard disk (2x80 gigas and 1 500 gigas) all in diferent port sata and without
T.V. Nvidia 9800 GT 1 giga
CPU AMD X2 4000

in another computer with other specification and another dvd burn show me the next error

"An error was detected on device \Device\CdRom0 during a paging operation."
chipset: ATI
MEM: 2 gigas
HD: 1 hard disk (250 gigas) all in diferent port sata and without particion
CPU AMD X2 4000

i have windows 7 64 bit in both with full update and without service pak 1

A:EVENT ID 129 Reset to device, \Device\RaidPort1, was issued.

So I've been having this issue as well, since I know how frustrating it is to have PC problems figure I'd report back with my findings

I was spending hours troubleshooting my raid array, drivers, etc...Turns out just by re-seating the sata cables/molex connectors on the mother board and the drives themselves solved the issue. I ran my PC for about 6 hours last night and no errors whereas before I used to get them every 15-20 seconds.

Hope this helps everyone!

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Hi, I'm trying to reinstall my sister's scanner driver because XP has decided that it's not there any more. This happens occasionally and usually reinstalling the driver fixes it (I think that's what I did last time), but this time i just can't get it to work.

If i unplug the USB cable then plug it in again, it comes up with a message saying that the device has malfunctioned and it doesn't recognize it. I have the driver CD but windows always manages to install it as "Unknown device" before i can tell it to search the CD. I've tried telling it to reinstall the driver from the CD but it says that there are "no better matches for this device". I've also tried uninstalling the program form the CD and reinstalling it then restarting the pc but that didn't help either. I tried plugging it into another USB port (as suggested by Windows Help Center) but that still didn't work.

It's not often that something like this gets me in a circle and scratching my head but I'm really starting to run out of ideas.

Any help would be very appreciated, i just want to get this thing running again

A:Stubborn Scanner Driver - "Malfunctioned Device" and "Unknown Device"

Could it be that the scanner really did die?

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I'm experiencing slim keyboard not being recognized in the Windows 8.1
The keyboard was working fine until just one day it just stopped working.
I tried factory reset literally 8 times along with most recent BIOS update and dell's recommended update software. + power setting --> disabling power saving on USB
It still come up as unrecognized each time even with fresh reinstall.
I was wondering if this is a hardware issue or just software bug from factory reset.
I don't think there is a available driver for this kind of problem is there?

Log Name:      Microsoft-Windows-Kernel-PnP/ConfigurationSource:        Microsoft-Windows-Kernel-PnPDate:          8/6/2016 1:09:35 PMEvent ID:      411Task Category: NoneLevel:         ErrorKeywords:      User:          SYSTEMComputer:      DellDescription:Device USB\VID_0000&PID_0002\5&1347b1a9&0&4 had a problem starting.
Driver Name: usb.infClass Guid: {36fc9e60-c465-11cf-8056-444553540000}Service: Lower Filters: Upper Filters: Problem: 0x2BStatus: 0x0

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Some new phones are doing away with the virtual HDD and switching to MTP for transferring files to/from the device. Because of this every time I want to copy MP3s to my MTP device I get a Windows message saying "Your device might not be able to
play or view this file" forcing me to click "Ignore this error" every time I start a new copy. I am VERY grateful that there is an option that says "Do this for all remaining files", but it's still really annoying because each time I start a new file copy
it pops up.
To be clear, this is not a device or driver issue. This is a windows prompt that is specifically tied to MTP devices.
Is there a registry key I can change so Windows will automatically assume the answer is "Yes, your file will be copied, but you might not be able to play or view it on your device"? Or perhaps a key where I can change the file types this prompt is
tied to?

A:warning message "Your device might not be able to play or view this file" when copying MP3s to MTP device


Based on my research and test, I?m afraid that this feature is by-design. We cannot simply disable or change the feature by editing the registry.

I think you can use the transfer tool from your phone manufacturer.

Hope this helps.

Jeremy Wu
TechNet Community Support

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(Please tell me if I'm in the wrong area of this board)

But a friend living hundreds of miles away uses XP and ran an "unasked for" Pop-Up utility that said he had computer problems because of malware or spyware some unnamed entity had installed on his computer. Unfortunately he doesn't remember the name of the "so called spyware detector/remover", but he fell for the "Warning" and ran the program to "check" his system.

Of course, as most those unrequested detect/remover programs do...it found many "so called serious" problems. But would Not "fix/clean them" unless he payed for the program.

From THAT point on, his CD-ROM wouldn't work(which it had dependably always before)....the Device Manager that it "is there" and what make/model it is....and also says that it is enabled and working properly(but it isn't working, as before). And the Icon disappeared from from the My Computer folder. I guess that program somehow did something to it, in order to force people to pay for the program to "fix it" and othe so-called problems!

Has anybody ever heard of this?
Can you help me get his CD-ROM accessable and working dependably as before? Please??


A:CD-ROM shows "This device is working properly" in Device Manager, but doesn't or show

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--Love the website motto: [stupid questions are easiest to solve.]

I am running Win7x64 on a newly installed (non-laptop)
MSI ZH77A-G43 motherboard with i5-3570

I spent a couple of days ensuring that I had installed all of the drivers
including the chipset, facilitated by MSI's LiveUpdate5.

I have a simple USB thumb drive.
I take it to my roommate's (VISTA) computer--it plugs in just fine. I cleaned, rewrote, read.
I did a check for errors scan; in properties, it is FAT formatted with default allocation size (2056).

I plug it into my computer (detailed at top). I am not even getting a common problem--"unrecognized USB device."
It does not even know that it is USB apparently--I get an error box from the system tray:
TITLED: Driver Software Installation
Device driver software was not successfully installed.
unknown device (fat red) X Device unplugged
unidentified device (fat red) X Device unplugged
[nonsense help links from MSFT] CLOSE box

There is a small led on the thumb drive that shines steady.
(assumably indicating something is wrong; nevertheless power is present)
(normally, it flashes on and off a couple of times when recognized on VISTA computer.)
(yes I tried multiple USB plugins, on front and back of tower-case)
I hear an audible "g-dunk" sound every 1 second.
The Device Manager window, though functional and operational, briefly flashes
in response to every g-dunk (a 1/2 second later.)

I finall... Read more

A:Thumb drive "unknown device" "device unplugged"

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Apologies in advance if this is an old/common question... it's getting harder and harder these days to come up with the right search terms that trick Google into giving relevant results.

I have a Griffin iMic, a simple USB device that provides a Line In 3.5mm jack port for my laptop (an ASUS F555L running Windows 8.1 x64). It shows up in the Recording tab of Sound settings as a "Microphone" type device, and I have set it as the default recording device. I have also checked "Listen to this device" so that I can listen to the audio coming in from an old cassette deck (via the iMic) through my laptop's speakers.

On my old laptop (Windows 7 x64) this configuration worked great, as the input from the iMic was audible any time I plugged in the iMic USB. However, on the new system, I can't hear the iMic after plugging it in. Every time I have to go into Manage Audio Devices, uncheck "Listen to this Device", Apply, re-check the setting and Apply again. Then I hear the iMic sound.

Is there any way of making this setting stick? Is it a known Win8 bug?

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On a fresh clean Windows 8 image, my software driver (signed) installs fine and shows up properly in the Device Manager. However once i uninstall it , subsequent reinstalls show up as 'Unknown Device' in the Device Manager.

From the device details, I find that it refers to /looks for the .inf file in c:\windows\inf folder but the file itself is missing from the location. The FileRepository has all the required files. But trying to update from there also fails.

Could anyone help me with troubleshooting this problem. What could be going wrong.


A:Device manager shows "Unknown Device" on reinstallation of driver

Please fill your system specs to get help efficiently.
What is your computer make/model?

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I'm having this problem since few months ago. before I had installed a software named VMWare for my college's assignment in order for me to use Linux Ubuntu. but apparently it gave me a lot of problems until I decided to uninstall the software. after I uninstalled, all NEW USB devices such as external HD, flash drives and etc cannot be detected and windows always prompt "Found New Hardware" pop up message and require my windows to install driver software for my USB devices. I tried clicked the "Locate and install driver software (recommended)" but it still prompt out again the message. it happened for all new USB devices. I don't know why. maybe it happened after I installed the VMWare, I guess?

can someone help me with this? I cannot use my new flash drives and external HD for me to transfer my works. it's so tiring

A:Always prompted with "found new hardware" to install driver software for any USB device

Have you tried reinstalling the chipset drivers, which would generally be responsible for USB support?

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Hey everyone,

Today I got myself a new webcam for my PC. Unfortunately, I am unable to get it to work. It is a TeckNet HD720p Webcam, and is supposed to be simple to set up -- you're supposed to plug it in and it's ready to go, but instead I see the above error message.

The lights on the webcam instantly light up, so I do know that there is power being supplied to the webcam. It also came with a disc, which contains an .exe file. When I follow the steps and hit Install, however, it comes up with the following message:

"Please plug-in UVC VIDEO CAMERA device".

I should point out that, as far as I can tell, this software isn't necessary for the webcam to function; I believe it's simply a means of recording. There is nothing else on the disc; no drivers, or any such important files.There is also nothing on the manufacturer's website.

In Control Panel's Devices and Printers, "TeckNet" appears under the Unspecified category (with a yellow warning symbol). When I attempt to "Update Driver" through Properties, I get this:

"Windows found driver software for your device but encountered an error while attempting to install it.

USB Composite Device

Access is denied."

I don't think the problem is specific to this device, either. The exact same problem actually applies to a memory stick owned by one of my relatives, at least when I put it in my machine. I p... Read more

A:Windows 7: "Device driver software was not successfully installed"

Hello Wonder Reece. Welcome to the forum.

In your google search did you find and try this solution:
Windows 7 will not install new USB Drives - Microsoft Community

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My Windows 8.1 is trying to run Device Set Up Manager User Task Handler. It's been over a couple of hours. The progress bar is not moving. The issue started while updating/installing my windows update software. I haven't received any error messages. The computer model is Inspiron 5537.

Could I perhaps restart my computer even though the Device Setup is still running?

A:Device Setup "Installing device" taking too long. Now what?

Absolutely restart, that's always one of the first troubleshooting steps to take.

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Windows 7 Ultimate/32bit. iTunes 9.0
Each time I dock my iPhone, I get a pop-up message "device driver software was not installed successfully". I want to stop this message appearing.
In fact, Windows 7 *is* locating the correct USBAAPL driver (which is seen to load in Device Manager) and iTunes works fine.
However, since the detail on the error message relates to "MTP USB device" it seems that Windows is triggering the error too soon.
I recently reinstalled Windows 7 from scratch and latest iTunes etc (for other reasons) but this problem remains.
If I delete the driver then the default that Windows looks for is the MTP driver (which fails) and then I manually point it to C:\Program Files\Common Files\Apple\Mobile Device Support\Drivers and it reinstalls the USBAAPL driver it had before.

A:Plugging in iPhone generates "device driver software was not installed successfully" message

Try go to Device Manager, if there is any “Unknown MTP device”, uninstall it,  then plug in your iPhone and scan for hardware changes to let Windows Update automatically find and install the correct driver.  
BTW, I found the following similar issue for your reference:
iPhone and Windows 7 RC don't work - DELL USB Chipset Issue
Topic : iTunes 9 on Windows 7 x64 Has Problems with iPhone
Please note: we provide the third party link for technical use only. There may be some changes without notice, Microsoft doesn’t guarantee any accuracy on contacting information.
Best Regards

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"Windows found driver software for your device but encountered an error installing"

I've spent hours researching this error - Seems like many people have the same issue although there is no difinitive fix or known cause.

I'm hoping someone here has an answer.

Windows 7 Home Premium x64 OEM (HP)

This is not an upgraded Vista system.

It's not a specific driver related issue as it's the same response/effect be it graphics/chip set/usb/printer drivers.

Please dont suggest to flatten and re-install or run a repair install - It's not an option, I only have remote access to the unit
as it's currently in field use.

This is a machine specific issue - identical machine purchased at the same time and configured the same has no issue.

So the story.

User has been fine for weeks - no hardware of software changes except Windows Updates.

A Camera/USB connection that was working no longer does.
Tried in all USB ports

Plug in - windows announces found new hardware, tries to install drivers then fails
with "Windows found software for your device but encountered an error installing ...."

Device manager finds and identifies device although it is in the 'Unknown Device" category.

Manually updating drivers via search/internet or point directly at a driver has exactly the same effect.

Thinking this was just the camera drivers - I researched and downloaded new drivers from camera manufacturers sites
Fuji and Ca... Read more

A:There must be a real solution to "Windows found driver software for your device but encountered an error installing"

Hi Chris,
This issue occurs due to Driver software path is not specified .
In-place upgrade would be the best choice.
If you would like to fix them one by one, please Locat and install the driver software from the c:\windows\winsxs folder.
Regards,Please remember to click ?Mark as Answer? on the post that helps you, and to click ?Unmark as Answer? if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ?

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Hi, I'm new to the forum.

I downloaded Avast! 5.0 today. While completing installation, a window popped indicating that my system recognized new hardware and required a driver. I cancelled out of it; continued with installation and completed serial number installation.
On rebooting, the system again recognized new hardware and wanted the drivers.
An annoyance, so I went into device manager and saw that I now had an "unknown device" listing. When I sought more details, it listed the device under Device Instance Id as ROOT\LEGACY_AVAST!_ANTIVIRUS\0000

How do I remove this "Device" and could there be consequences for doing so?


A:New software created "Unknown Device"

think its scanner driver so you should not have cancelled out of it , if you reinstall avast it should give you an option to repair if not just reinstall it

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I recently put my camera memory card into my computer to download photos. I couldn't open them and need to leave so hit "remove device" figuring that I'd go back later when I had more time to get them. When I went back and reinserted the card it didn't show up. I've tried to "add a device" but it still doesn't work. When I hit the device and printers icon it doesn't show up.

What do I do?

A:Retrieve device after hitting "Remove Device"

Reboot the system and try again.

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This has become a great annoyance to me.

Whenever I have my keyboard and mouse plugged into my computer (the mouse uses a USB port on the KB (it's a G-15)) I keep getting messages of "USB Device Not Recognized", however, the mouse and keyboard work perfectly fine. It's not really a problem, it's not restricting me, but it is extremely annoying.

Any solution to this problem?

Note: I recently re-installed Windows (literally about an hour ago), it did not do this beforehand.
Note 2: I have tried to restart the computer.

A:"USB Device Not Recognized" but the device is working fine.

A search turned up some easy things.

Does this happen coming out of sleep or hibernate?
Does this happen in another USB port
I think you said you rebooted - no change. If you haven't rebooted, give that a go.

Last one: right click on the device in Device Manager and select "Scan for update". Could be the USB, mouse or kb - scan all asscociated devices

That's all I have,


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tons of errors "metadata" don't have foggiest ?
Microsoft-Windows-DeviceSetupManager/Admin  80070490









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When I plug in my ipod to any of the USB ports I get "Device driver software was not successfully installed."

I followed all the itunes / ipod troubleshooting and no luck. I updated drivers and unintalled them and still no luck. I am getting this error with two seperate ipods, i restored one back to the factory settings and still nothing. All other devices (camera, thumb drive, etc.) work in these USBs.

I have a 32 bit windows seven.

Any help appreciated

thank you

A:When plugging in iPod "Device driver software was not successfully ins

Please note that it is only iOS devices (such as the iPad, iPod Touch, and iPhone) which need drivers installed on your PC in order to be recognized.

You must follow very closely this Apple-provided guide on how to uninstall and reinstall your iTunes in order for the drivers to be correctly installed:

Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7

If you do not want to install iTunes on your PC, you can use an alternative method for installing iOS drivers required.

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I upgraded to Windows 10 a while back. Every time I open the computer I get a pop-up notification telling me the USB device is unrecognized. I have no USB devices in any of my 3 USB ports.
I sent my computer in twice. No help. They just uninstalled everything and reinstalled everything and told me it should be fixed. It is not. I then went about updating every driver in my Device Manager. I uninstalled the Unknown USB Device and then updated
other drivers. Certain drivers (such as PCI Express Root Port #3 - 9C14) when updating would also reinstall the Unknown USB Device, which I would then uninstall and keep working down the list. At the end of updating EVERYTHING I scanned for hardware changes
and "found" the Unknown USB Device. 
From what I can tell, and I know very little about this stuff, my computer can't name one of my USB ports. Since it can't figure out what it's called it can't download the proper driver for it. Since it can't download the proper driver it can't work properly.
The practical result from this is that one of my three USB ports does nothing when I put in any USB item (connect my android phone, thumb drive, presentation clicker, etc).
I've looked on tons of forums. My current thought is that if I can tell my computer what the deice is or download the right driver and tell my computer to use that driver for this device it should solve my issue. But I don't know how to know what the name
of the USB port should be (I imagine it woul... Read more

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I just recently had a problem with my main hard drive which had a capacity of 20gb and so i decided to take it out and leave my second hard drive ( which was 160GB) in the system. But now i have the problem where the computer asks me to "Reboot and select proper boot device or insert boot media in selected boot device and press a key" after 30 seconds of turning on my computer.
What do i do here?
I am completely lost.
Please help.

A:"Reboot and select proper boot device or insert boot media in selected boot device"

Hello Vinroy

You have removed the "Master" drive which XP booted to.
Now you will have to make the 2nd drive into the "Master"

Connect this 2nd drive using the connector which was used for the drive you removed.
Then change the jumpers on the drive to master.


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I have had my computer since Christmas, It has been working fine. Then I went on this morning as normal as can be, everything was booting up and I opened steam but it said no connection. Then a blue screen appeared and said something like" search DHP watchdog violation" then the screen went black but displayed the text "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key"
I have no idea what to do and I need help. I searched this on tech guy and I tried to boot it with my CD/DVD Drive off which is what I saw worked on another persons thread but to no avail. Please help, also I use windows 8.

A:"Reboot and Select proper Boot device or Insert Boot Media in selected Boot device.."

The "DHP watchdog violation" could be caused by any number of things, typically within the OS. Which is a non-issue now since the PC won't boot.

What error do you get now when you try to boot? If it's the same or similar to "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key", then it sounds like the HDD (which is the primary boot device) cannot be found. Which typically indicates a HDD failure, but could also be just a loose/faulty data or power cable.

Enter the BIOS and verify if HDD is recognized properly, and if so, verify the boot order.

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I'm running Home Premium 64 on a Sony Vaio Laptop (CS170F). I'm having a curious problem: Yesterday I plugged into the machine the dongle of my wireless logitech mouse, and for some reason the machine said "Your unknown device is ready to use" (my OS is in spanish, the messages may not be accurately translated). Since then, an annoying message pops every few seconds warning about an "unrecognized USB device", that "didn't work as expected". The best part is this, if I click on the tray icon, sometimes the informative dialog window is emply, an other times shows all the USB ports in the system plus one extra with a "unknown UBS device", even without any device plugged into the system. I've tryed removing the unknown device from the device manager, but it shows up again.

I'll really appreciate any pointer, link or suggestion.

Thanks in advance, and best regards.

A:"Unknown USB device" without any device plugged

Hi antonio and Welcome to the forums.
Connect the wireless dongle and then update windows to see if there's any generic driver available from Microsoft.

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  This message continues to pop up even when I think I've deleted it.  When it does pop up, my mouse freezes so I have to restart my PC. Sometimes it doesn't pop up, but most of the time it does. I'm getting very aggrevated.  I have Window
8.1. Thank you.

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So I was trying to update my drivers on my NVIDIA GeForce 970 graphics card. For some weird reason it failed every attempt no matter what I did. I spent hours looking online at peoples suggestions: I tried uninstalling everything, and reinstalling it. I
tried a "Clean Install". And then I tried using this DDU program which was a huge mistake since now my graphics card doesn't show up in my Device Manager, and it is permanently stuck on using the default video drivers (so my resolution is HUGE).
The DDU also erased all of my System Restore points, so there was no way for me to reverse the issue...
Then I read that I could try going into the device manager and manually installing the graphics drivers to fix the issue...However, seeing as how my Nvidia Card isn't showing up on the Device Manager I was assuming there was no way for me to do this. I decided
to try anyway by righ clicking on the "Standard VGA Graphics Adapter" and directing it to the Nvidia folder that has the drivers that I want to install.
It then said,
"Windows found driver software for your device but encountered an error while attempting to install it.

NVIDIA GeForce GTX 970

Access is denied.

If you know the manufacturer of your device, you can visit its website and check the support section for driver software."

I have the driver software, its just telling me that my access is somehow denied. So what is going on? I'm very frustrated as I've been working... Read more

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Windows 8.1 Pro x64 - please find the complete system log warning details below and a (related or not?) disk controller error below.  Motherboard is an ASRock B75 Pro 3 with an Intel B75 Chipset.
I keep getting these warnings.  I get them for all my Windows Portable Devices (disk drives) on boot up.  Here are my disks:
Disk 0 on internal SATA 3 connector off an
ASMedia ASM1061 chip on motherboard (internal drive, but enumerated as removable) - Seagate ST100DM003-1CH162 D: data drive
Disk 1 on internal SATA 3 connector off the B75 chipset on motherboard (internal drive, not enumerated as removable - gives no warnings or errors - Seagate ST100DM003-1CH162 C: system drive (has Windows 8.1 OS on it)
Disk (2 or 3 depends on order of USB connection) on external USB 2.0 connector off back I/O panel of motherboard - Kingston DT 101 II USB device F: backup thumb drive
Disk (2 or 3 - depends on order of USB connection) on external USB 3.0 connector off back I/O panel of motherboard - Seagate BlackArmor DAS35 USB device G: backup external hard drive
There are no symptoms other than another (probably unrelated) disk controller error (shown below).  The controller error is on either drive 2 or 3, but never 0 or 1, so it is one of the external back up drives (the thumb drive or the BlackArmor drive).
 Note that on boot up I get the warning for disk 0 above whether or not the external drives are connected so the disk controller error may be unrel... Read more

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Usually when I see this error its the Power supply, or and bios issue. Anyone have any Ideas. I can actually boot to windows but the computer shuts down in about 20 min and give that error. I am use to seeing that when it will not start, but it starts and stays on for a bit but not long enough to save stuff. I even tried to reload it and it wouldn't let me. I am figuring its the hard drive. Any Ideas

"reboot and select proper boot device. Or insert boot media in selected boot device and press any key.

A:"reboot and select proper boot device. Or insert boot media in selected boot device

First of all, no one has any idea what we are attempting to diagnose. Post ALL of your exact system specs; ie exact mb, exact ram, exact video card, etc, etc. If this is a big box system, then post the exact brand and model# If you have a service tag# post that as well.

Note do not post "500W pw supply" Post the exact brand and model# Do that for all of your parts.

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Hello from London, and thank you in advance for any advice that helps save my life.

I recently upgraded a Dell Latitude E6400 (old, I know) to Windows 10 and (eventually) optimized for performance. Since the HDD in this laptop is only 75GB I stored most of my data on a Seagate 210GB USB2.0 drive. It was working perfectly for the year I've had it (and the two weeks since Windows10 install) and then a few days ago it can no longer be read by either of my two laptops (the other running Win7).

Device manager shows the drive, but it doesn't show up in This PC. I had also pinned it to the start menu and Quick Access. It has disappeared from the start menu and has a ? in front of the old drive allocation in Quick Access.

Summary of properties by tab:

1. General - Seagate USB 2.0 Cable USB Device / Device Status - This device is working properly
2. Policies - quick removal
3. Volumes - initially blank (dashes), clicked Populate, and the following, highly troubling data populated
Disk Disk 2
Type Unknown
Status Not initialized
Partition Not Applicable
Capacity 2097152 MB
Unallo Sp 0 MB
Rsrvd Sp 0MB
4. Driver - tried uninstalling and reinstalling, reinstalls most current driver each time but with same error (Event ID 441/Kernel-PnP)
5. Details - Disk drive
6. Events - same 3 events occurring every time I try to access the drive: a) device started (disk), b) device configured (disk.inf), and c) device not migrated. The information field reports that "

\Disk&a... Read more

A:USB drive seen by Device Mgr but not This PC - Event ID 441/Kernel-PnP

Bad news first: Your USB hard disk has a damaged partition record and so Windows cannot identify the structure of data in it.

Good news: There are recovery programs that bypass the partition information and search the disk sector-by-sector. After a rather lengthy process they show you a file tree with your data and then you can copy them to another disk. Yes, for obvious reasons they do not allow copying to the same disk, even if you have two or more partitions on it. You will need another disk with enough space for the backup. If you have or can borrow a second computer with enough disk space, you can extract the files there, then format your USB disk and copy the files back. There are many recovery tools for that if you do a little Google research. I use the GetDataBack which unfortunately have to register to be fully working. The unregistered version only shows the files but doesn't allow you to copy them! Probably there are free tools too, sorry I cannot suggest any right now.

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I recently discovered this event error dated 10/18/2013 which is about the time that I upgraded the BIOS and attempted to enable Secure Boot. Enabling Secure Boot worked as far as Windows 8.1 is concerned - eliminated watermark and Secure Boot event errors but the system boot process displayed NO VIDEO during POST and there were 6 beeps and power light flashed 6 times. HP Boot error codes indicates a problem with the video card (AMD Radeon HD 7500). If Secure Boot is turned off, everything works fine. I would like to understand why this event error was reported and how to correct the issue. Is the video hardware not compatible with UEFI and Secure Boot? Did keys get lost that allows Secure Boot to validate this hardware get removed? Although I am happy without Secure Boot, I would like the decision to use Secure Boot to be mine and not because something isn't working correctly.

A:Kernel-PnP Event 420 - PCI Device was Deleted

If Secure Boot is turned off, everything works fine.

It may be due your video card not supporting the GOP protocol which is a requirement for UEFI Secure Boot to function properly. Your graphics card may require a firmware/bios update so check with your manufacturer to see if one is available. You can also try to disable "ultra-fast boot" if enabled in the UEFI BIOS as I am not certain about all of the GOP requirements.

FYI here's are articles on a few manufacturers' progress to make these updates available:

GOP UEFI BIOS update for AMD 7000 Series GPUs

UEFI GOP for Sapphire HD 7850 OC 2GB - Guru3D.com Forums
Hope this points you in the right direction. Good luck.

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