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External HDD - I/O device Error

Q: External HDD - I/O device Error

I try to connect and access my external HDD (iomega/segate 250gb - old), but they apparentely not appears on my computer.

Looking in Disk Management, it appears like "Disk 1 - not initialized". When I put to do the initialization (MBR), appears "The request could not be performed because of an I/O device error".

If I go to Device Manager, see the properties of the USB Mass Storage Device, in the Events folder, shows the device was not migrated, if the following information:

Device USB\VID_059B&PID_0470\5C86EFFFFFFF could not be migrated.

Last Device Instance Id: USB\VID_0B0E&PID_0420\1C48F921DDF7020700
Class Guid: {36FC9E60-C465-11CF-8056-444553540000}
Location Path:
Migration Rank: 0xF000FFFFFFFFF122
Present: false
Status: 0xC0000719

Can some one help me access the info I have in the HDD?

Thks in advance!

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Preferred Solution: External HDD - I/O device Error

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I've used it in the past to identify and fix everything from blue screens (BSOD's), ActiveX errors, corrupt files and processes, dll/exe/sys errors, recover lost memory, Windows update problems, defragging, malware removal etc.

You can download it direct from this link http://downloadreimage.com/download.php. (This link will automatically start a download of Reimage that you can save to your computer.)


Hi there,
I did a search on google and through these forums search function but all I can seem to find are topics about vista and backing up problems. I did find a link to a microsoft hotfix for my problem, but it was only for specifically 4GB+ of Ram and an nVidia USB EHCI. Sadly I do not meet these specs.

The problem started with copying a bunch of files over from one external HDD to another (friend's to mine). It froze about half way through and locked up my whole computer. This had happened once (I think, maybe twice?) befor when copying files from my C drive over to my external, and turning my PC off/on again sorted it out.
Since then my external is experiancing a host of problems. It doesn't shut off if you unplug it from the computer or turn the computer off, it's always whirring. It's greyed out if you go to safely remove hardware. Opening a media file in anything gives an error (eg. VLC gives this error):
File reading failed: VLC could not open the file "E:\Insert File Here".
Your input can't be opened:
VLC is unable to open the MRL 'E:\Insert File Here'. Check the log for details.Click to expand...

Upon trying to copy anything to or from the HDD and trying to move/delete any files, it gives me the old error in the topic title: 0x8007045D I/O device error.

I expect one solution is to completely re-format my external HDD, but I can't stress how much I REALLY don't want to do that without being able to get mos... Read more

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I have an external Western Digital 3.5" HDD (HDD+Enclosure). It ran fine for a few month untill I started getting this error recently when I try to move some specific file out of it:
Cannot copy <filename>: The request could not be performed because of an I/O device errorClick to expand...

(where <filename> is the file name i'm trying to copy)

I tried defragmenting the HDD, re-fromatting it and chkdsk, yet I still get this error.

What could be wrong?

A:External HDD I/O device error

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I got an I/O device error message when I tried to copy some of the files on my WD external hard drive to my new laptop.

I tried following the advice on this thread and set the drive to optimise for performance and then restarted the computer as prompted:

Now the disk isn't even showing up in "My Computer." Any suggestions??

A:External HDD I/O device error

Try to scan with AutoPlay Repair Wizard The Microsoft AutoPlay Repair Wizard scans your computer devices to find defective AutoPlay settings, and attempts to fix those it finds. Hope it will help you:

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Had this Western Digital external 1TB drive for about a year and one day last week it stopped showing up in 'My Computer'. After a bit of mucking about with it, I read online that if all else fails, I should remove the drive from the casing and connect it directly to my PC using an additional SATA connection (1 of 2 spare on the MOBO) Fair enough, went and bought a new SATA cable and attached it using the additional power connection on main disk drive (so both are connected to the main power on the same cabling).

Went in to the 'Snap-In' Tool in 'Manage' in 'My Computer' and checked the storage. The disk drive is showing as 'Not Initialised' and gives me the option to Initialise. When I try and initialise, it gives me the I/O Device Error message. Now I'm lost and have no idea what to do next.

For your info - I have tried replacing the drive back in it's casing and get a different message suggesting the 'drive cannot locate the sector'. So I have put it back in the PC at present via the SATA cabling and still have this I/O device error, regardless which od the two spare slots in the MOBO I use to connect.

I am using Vista, 2GB RAM in Dual 1GB slots (Packard Bell) and 2 x 2.33 processors. I am not too bothered where the drive ends up, but I would just like to get it working again to retrieve the data. Additionally, the external drive in question shows activity on start up (it spins for about five seconds... Read more

A:WD EXternal 1TB Drive I/O Device Error - Help!!


Any clues folks?

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I'm operating on a Dell Inspirion 5150 Laptop/Windows XP.
I have had a CMS External USB Backup Device for 6 months now. All of a sudden it gives me an error message when I plug it into my USB port. It states "the Device is more powerful" then the USB hub speed can support. Then asks me to detach device and hit "reset" to reactive that port. I've tried my other USB port as well with the same error message. I was not having those issues before, even though I was using the same laptop. Anyway to fix that?
The device still has room for additional storage as well. It is not full.

A:CMS Backup External Device, USB HUB error

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can anyone please help me? I divided 1TB WB Element to 4 part but they're not showing up on 'my computer' but i can safely remove the hardware, still the partition doesn't show up as usual just 'eject elements 1042'. can it get repair without losing the files?

please help me. much appreciated

A:i/o device error external hard drive please help me anyone

I dont want to cause panic.. but.. I/o errors are normally always related to knackered hardware.. I.e your hard drive.

theres a few things you can try first.

The standard Microsoft protocol is to first check that windows is fully up to date incase youre missing a key upated system file.
Next you could try uninstalling your usb drivers in device manager and reboot. (youll loose control of any usb device plugged in before the reboot).
It might not seem the most logical thing to try but it was suggested to me once and it did the trick for my issue.

Failing that Microsoft q and a also suggests shrinking the partitions if possible using disc manager.

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I have a Western Digital external USB hard drive, the 160gig model. I was watching a video from the drive and it got unplugged accidentally. Now whenever I plug it it in I get the following error in a bubble in the bottom right corner:

USB Device Not Recognized One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it. For assistance in solving this problem, click this message.

When I click the message, it displays a list of Unknown Devices attached to the Root USB Hub. Which in turn doesn't help me at all.

I have tried searching the web for drivers, used different usb cables, connecting it to my xbox360. Nothing seems to work. I can feel the drive spining on the inside and the lights signifying its on, but no soft response :(

If anyone has any helpful info on this or has experienced the same situation please let me know.

- DaveTheLameBrainMcClain

A:WD External vista error USB Device Not recognized

Do you have any other USB devices hooked on to the computer that are working fine?

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I Installed a Dynex USB external floppy drive. When I try to open a floppy, I get this error message - "A:\ is not accessible. The request could not be performed because of an I/O device error."
I ran chkdsk from cmd prompt and got this message: "Cannot open volume for direct access."
I've checked through the forums and not found this particular problem. My system info is below.

OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 32 bit
Processor: Intel(R) Pentium(R) 4 CPU 3.00GHz, x64 Family 15 Model 4 Stepping 3
Processor Count: 2
RAM: 2038 Mb
Graphics Card: NVIDIA GeForce 8400GS, 256 Mb
Hard Drives: C: Total - 476837 MB, Free - 400040 MB;
Motherboard: Dell Inc., 0JC474
Antivirus: Avira Desktop, Updated and Enabled

A:I/O device error with USB external floppy drive

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Hello so this is the issue.

I have win vista x64,sp2.
Toshiba satellite
and a Seagate freeagent goflex 1tb external HD.

I had been using the external for a while. noticed some information wasnt really working properly. I thought I would do a chkdsk.

However, I used Tuneup utilities to perform the thorough chkdsk of my external HD, i figured it would find and fix any bad clusters. WRONG. after 20hrs of waiting. I restarted the PC, and now i cant access any information. The external shows up in "computer" I can open certain folders but after a few mins I cant access anything and i get the I/O device error...

ive tried running chkdsk /r just from the PC in a CMD window. It shows a list of 30-50 files that are "unreadable" and sticks on a certain file at around 6% complete every time.

Ive tried all of seagates suggestions and other then that everyone else just says to run chkdsk on other forums. I really do not want to loose this information at all costs...

any information would be fantastic.

thanks for your help in advance.

A:I/O device error with external hard drive

The Freeagent's power supply has probably failed

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Terrified of losing edited videos! I have a problem accessing my external hard drive "The request could not be performed because of an I/O device error." This means I cannot copy files or anything. I experience it with both of my computers (iMac24/Windows XP and lenovo S10). Any suggestions? Thanks.

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I have an external Western Digital 250G HD. It ran fine for a about 10 minutes, then I started getting an error message when trying to copy files onto the HD:

Cannot copy <filename>: The request could not be performed because of an I/O device error

I've set it to be optomized for performance and to enable write caching on the disk.

When I close the message and try to get back into the HD, none of the files that are on there show up.

How can I fix this?!

A:External Hard Drive I/O Device Error

It's a process of eliminating one source at a time.

The following assumes you have experienced no prior problems using your USB ports.

The first thing I would do is remove the drive from the enclosure and connect it directly to a desktop computer where I would run CHKDSK /R. If that is negative, I would download the drive manufacturer's testing utility and check it for fitness. (Some second-rate companies offer no such testing utility.)

If all of that is negative, you have either a bad enclosure or some problem with your USB port.

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I'm having various issues with my laptop. I can't transfer any files to my portable drive. When I try to cut a file on my document folder and go to the portable drive to transfer it, and do right click most of the time nothing happens I get the message not responding but when I'm able to start transferring the file it stops after a while and I get the message "the request could not be performed because of an I/O device error. I don't know if the problem is with my laptop or the portable drive. I ran windows defender scans on both systems and didn't find any virus, I also ran the command chkdsk on both of them but I haven't found anything wrong... Thanks in advance for your help.


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Hi All,

I have an external USB floppy drive that I bought from Amazon (I am not sure what make it is but appears as a Sony external drive in Device Manager).

I have a Macbook Pro, running Windows 7 Ultimate in bootcamp (native). I have no warning icons next to the device in Device Manager and it appears in My Computer as drive A. When I go to open up a floppy disk I get the message: The request could not be completed because of an I/O device error.

After some research I noticed people saying it was either the floppy drive cable or the drive itself that could be faulty. However, using the device (and the same floppy disk) on my home built PC running Windows 2003 Server, SP2 it works flawlessly.

Does anyone have any other suggestions? I was hoping to use this device to create start up disks for old PC's that I rebuild. Using on my home built PC isn't really a viable option as sometimes I need to take the drive with me.

Many thanks in advance for any help you can give me and if you need any further information I will do my best to supply it.

A:Device Error - USB External Floppy Drive, Windows 7

In addition, I have also read that AVG could be the cause, however since removing AVG and restarting I am still getting the same issue.

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Hi I have a Sony External DVD Writer Model: DRX-710UL. I used Nero 6, Nero 7 & DVD Shrink softwares to burn movies into my Verbatim DVD+R disc. It was all good until some time back but offlate I am getting the Device Not Available error and the burn fails.

The burn process runs cool for few mins and after completing 2 or 3% it just fails.

Any help is greatly appreciated.


A:Device Not Available error with Sony External DVD Writer DRX-710UL & Nero 7

trydevice manager,click items by connection ,action scan for hardware changes possiblyreinstall the external drive?

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Hi all,

I have recently bought an R830 1HD which has windows 7 as its OS.
I have some old external hard drives that were formatted on windows vista.

When i try to use them on my new computer it says "Target device not found"
I phoned the support for the external hardrive who said this is an incompatability issue and that I would need to re format the external hard drives (and hence lose everything on them unless I copied them onto a compatible hard drive).
Is this true?

Rather than go through the hassle of copying all the data onto another hardrive is there a way of making my new computer compatible with the external hard drive?

Your help is much appreciated.



A:Portege R830 - external HDD error - "Target device not found"

I have one old external HDD with saved pictures on it and I use it since years with WXP, Vista, Win7 and now with Win8 too. There is no problem at all so I don?t understand what could be wrong with your HDD.

Have you similar problems using other external devices connected to your Portege notebook?

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Hello, I believe last week I had the similar problem with my Memory card but I could still gain access and now my External HDD is acting up. I am not sure if I downloaded a file which may have caused a virus and damaged it.

Basically I don't even know if it is possible for me to data recover my files as I tried with 2 different machines and still displaying I/0 device error

I forgot to mention the drive makes a ticking noise

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I purchased a used laptop with xp pro installed. No resource CD's. Wish to make a back up using XP backup wizard and store on my external hard drive. File transfer stopped and i received an error message stating that 4g was max allowed to Fat32. My external hard drive is 40g and approx 3-4 years old.
What are my lowest cost options to create backups?
Can I upload my data from ext hard drive to another pc, convert Fat32 to NTFS using XP Covert utility and xfr data back to ext HD? By doing this, will the XP wizard be successful in making a backup on the converted ext HD?

A:Error trying to backup xp on external Hard Drive storage device

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i had an old notebook with an overheating problem that I thought I had fixed, so I transferred all my music and picture files to it. then the problem recurred and the computer won't reboot. So I pulled the hard drive and put it in an enclosure I've used before, and am working through trying to get it recognized by my new notebook as an external hard drive.

Device Manager recognizes the drive and indicates that it is working properly, and it appears in Disk Management as well. However, in Disk Management, it shows as Disk 2; Unknown; Not Initialized. When I attempt to initialize it, I get the error "The request could not be performed because of an I/O device error."

I've tried to initialize it as MBR and GPT, with no luck, and I've checked the device drivers to make sure they're up to date (they are).

What else can I try? I will try anything, but if it's hopeless, I need to know that too. I just don't want to give up if there's a chance!


A:i/o device error when initializing external hard drive in disk management

How is it powered? It is possible that the enclosure does not supply enough power for that drive. Can you connect it internally?

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-when i try to connect the external 1tb western digital harddisk it simply doesnot display any thing and when i go to disk managment it shows "not initilized" i tried to initilize it but i got this error''hard disk not initilizing i/o device error" it doesnot shows any property or size of hard disk.i also tryied to repair it with comand "chkdsk/r"but there it said""cannot open volume for direct access""and also my harddisk is encrypted and this error occured when i was downloading torrent directly into external hardisk.my pc also go frce shutdown due to absence of electriccity
..over all i cannot see hard disk on my computer and cannot open it..tried it on other computers also
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Disk" />

<EventID Qualifiers="49156">11</EventID>




<TimeCreated SystemTime="2013-11-01T11:40:14.311802300Z" />




<Security />

- <EventData>
<Data>\Device\Harddisk1\DR1</Data&g... Read more

A:external encrepted harddisk hard disk not initilizing and showing i/o device error

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I am new to this forum and to posting tech questions online in general so hopefully I can describe what's going on accurately.

My computer has had no problems to speak of lately. I had not synced my iPod nano in some time, maybe a month or two, so I plugged it in yesterday to sync it. I received the following message: "iTunes has detected an iPod that appears to be corrupted. You may need to restore this iPod before it can be used with iTunes." I have since discovered the problem has nothing to do with the iPod itself. The iPod plays all the music and podcasts that are currently on it just fine. When I plug it into my girlfriend's computer, her iTunes recognizes it just fine as my iPod and I was able to pull videos off of it.

I am now pretty certain the problem is with my USB drives. I have an external memory drive that I use to back up documents - I had not used this in some time either. Out of curiosity I plugged it in, and it's not working either. When I plug it in and turn it on, nothing pops up, and when I try to do certain actions to check on it, like open My Computer, the system freezes and I end up having to manually shut down the computer and restart.

I have gone through several threads on various forums and tried almost everything but nothing has resolved this issue. Some threads suggested that plugging in certain devices can mess up your USB drives like this, and a few weeks ago I did plug my girlfriend's printer ... Read more

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Hey so it all started when I started receiving AHCI Port0 error when I turned on my pc, everything seemed find but I wanted to fix it so I checked different forums and now I think I broke my pc
I first reformatted my pc thinking it would fix the error showing up but it didn't, my pc worked fine but it was just the error that annoyed me and I just wanted to fix it

Then I checked forums online and people were talking about deleting and recreating raid array volumes, so I deleted raid array 1 and 0 and re made it as raid array0. it said it wouldn't delete the recovery partition on my hard drive and hopefully it hasn't because I thought that I can just reformat after I create the new array

This pic is when I was deleting the arrays
This pic is when I recreated the array
But now when I boot up my pc I still get this error
Which leads me to the bios when I press f2
When I exit out of bios I get this new error
Edit: When I press f12 when the system starts up with the dell logo I get this not sure what to do now
Now I can't even access windows or anything can someone please help? The pc is a Dell XPS 8100 if that helps

A:AHCI Port0 device error and no boot device error with pics

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I'm trying to fix an hp pavillion dv6704nr laptop running windows vista home premium. It has the little red x on the speaker in the lower right hand corner. The owner said it has been there for some months. I have tried downloading the current audio drivers for the computer but every time I try to install the driver, I get an error that says the device couldn't be found.

The first time i restarted the computer, after the driver installation failed, the audio came back and worked fine, until I had to restart the computer. Now I keep getting the same error and nothing i have found so far online has helped.

There are no yellow triangles in the device manager and the device list isn't showing the category for "sound, video and gaming etc." at all.

Please help. I did a search but the other threads didn't solve this problem for me.
Thanks in advance.

A:No audio device installed error and devices wont show in Device Manager

I see three different audio driver packages at http://h10025.www1.hp.com/ewfrf/wc/softwar...ct=3646926#N661.You need to find the right one to install. If you install one and the system doesn't work properly...please uninstall it before trying the next one.Installing the wrong one won't do anything harmful to your system...it just won't do any good to leave it installed.Louis

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When I turn on my device I get hard disk error. I try and run my windows install disk computer tells me to restart and put in disk again. Next error is boot device not found.

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System Information:
Windows 7 Home Premium
Processor: Intel(R) Core(TM)2 Quad Cpu Q8200 @2.33 GHz 2.4 GHz
Installed Memory (RAM): 8.00GB:
System Type: 64-bit Operating System
Dell StudioPC

I get the following error a large number of different times in the Administrative Event log. How do I track down what is causing the problem? The problem device is an external WD My Book 1 TB IEEE 1394 SBP2. I don't understand why there should be a paging operation on this device as it is used only as an external backup for the C: drive. It has been set up with no paging file.

NEW Info: I setup WD My Book drive to have a virtual paging file and guess what - The error messages stopped! Go figure!
If you need more information just point me in the right direction and I will post it.

Error Report follows:
Warning 12/5/2010 7:04:40 PM Disk 51 None
Log Name: System
Source: Disk
Date: 12/5/2010 7:04:40 PM
Event ID: 51
Task Category: None
Level: Warning
Keywords: Classic
User: N/A
Computer: DaleDesktop-PC
An error was detected on device \Device\Harddisk1\DR1 during a paging operation.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<Provider Name="Disk" />
<EventID Qualifiers="32772">51</EventID>
<TimeCreated SystemTime="2010-12-06T00:04:40.216575500Z" />... Read more

A:Solved: An error was detected on device \Device\Harddisk1\DR1 during a paging operati

The indicated solution of creating a virtual paging file for the WD MyBook drive did not correct the problem. The problem resides in the IEEE 1394 (firewire) driver. Do the following (quoted from http://social.answers.microsoft.com...e/thread/42085c5a-4f15-4dcd-8a76-9a7860b526c2) to correct the problem stated above:

"Update to my previous post. I updated my IEEE 1394 (Firewire) controller driver from "LSI 1394 OHCI Compliant Host Controller" (1934ohci.sys ver 6.1.7600.16385 stock driver from Windows 7 64-bit) to "1394 OHCI Compliant Host Controller (Legacy)" (ochi1394.sys and 1394 bus.sys ver 6.1.7600.16385 also stock from Windows 7 64-bit).
This change seems to have resolved this issues described in my previous post in this thread. My external Firewire disk works normally now (no longer slow during large transfers) and the Warning ID=51 has not recurred (after two days).

To accomplish this driver change, here are instructions:
Control Panel > in control panel search box (upper right) type "device manager", run Device Manager (requires Admin authorization)
View > view by type, then expand IEEE 1394 Bus Controllers (by clicking the arrow)
Double click your 1394 OHCI Host controller (exact name may vary) to bring up "properties", and write down current driver name on Driver tab in case you want to go back later.
Driver tab > "Update Driver" > "Browse my computer for driver software" > "Let me... Read more

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I am having an issue where my DVD/CD RW has a code 19 error in device manager. The drive still works as I used it to boot a Windows CD and run a startup repair to see if that found anything. I tried uninstalling the drive and then scanning and it failed to install the drive. I also tried uninstalling the drive and rebooting, but it wouldn't install. Any suggestions?

A:Device Manager Code 19 Error for HP CDDVDW TS-H653T ATA Device

I fixed the issue by doing what this Microsoft Support Article said: The CD drive or the DVD drive does not work as expected on a computer that is running Windows Vista

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Base System Device Error in Device Manager in windows 10 how can I solve this

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I added a new 500 gig external drive to a server several months ago to use as a secondary backup device. We use a DAT drive as our primary.

I backup 3 boxes to this external drive, starting at 8:00 p.m., and allow 2 hours for each backup. I haven't gone back in the event viewer to see exactly when this started, but I get this message now at the times those backup routines start.

An error was detected on device \Device\Harddisk2\DR4 during a paging operation

There is only 1 internal drive in the server and it is HardDisk1. Number 2 is this Seagate FreeAgent USB drive.

Anyone have any ideas as to what that message really means? I can manually copy data to it and erase data from it.

I have noticed however; that some of my backups aren't executing at times on those 3 other boxes for what ever reason.

I'm wondering if this drive is going into a hibernation routine or something like that....



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An error was detected on device\Device\harddisk1\D during a paging operation. This is logged frequently in my event viewer. Somtimes it is with "harddisk 2" . Is this my harddrive beginning to fail or is it an error with the external harddrive attached to my PC?

Tech Support Guy System Info Utility version
OS Version: Microsoft Windows XP Home Edition, Service Pack 3, 32 bit
Processor: Intel(R) Pentium(R) 4 CPU 3.00GHz, x86 Family 15 Model 4 Stepping 3
Processor Count: 2
RAM: 2047 Mb
Graphics Card: NVIDIA GeForce FX 5500, 256 Mb
Hard Drives: C: Total - 476937 MB, Free - 300667 MB; H: Total - 1907726 MB, Free - 1764265 MB;
Motherboard: Gigabyte Technology Co., Ltd., GA-8S661FXM-775
Antivirus: CA Anti-Virus Plus, Updated: Yes, On-Demand Scanner: Enabled

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External GPS Device
I have recently determined that the GPS device in my new laptop is in fact a Microsoft Simulated Driver and not a real GPS chipset.  What this means is that the GPS will only work while connected to the internet via Wi-Fi.
I have a Microsoft Windows 10 phone and it's MAP app works great for navigation but the screen is too small when I am driving my motor-home.
To get navigation to function fully on the Windows 10 MAP app I now find I need an External GPS device.
Does anyone have any suggestions or experience with and External (USB) GPS?What brand and/or model is good?


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I have 2 external enclosures
1 = IDE to USB
2 = SATA to USB

both are Brilliant ecombo enclosures

in computer management can see the sata with 4 partitions but will not allow to assign drive letter also shows as CD icon all partitions are healthy and primary.
drive removed from Seagate free agent external drive that was damaged connector

screen shot attached

A:external HDD not being seen in win 7 show as USB-ATA in device mgr

Post a snip p[lease Disk Management - Post a Screen Capture Image

Also Icon Cache - Rebuild

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I use my laptop connected to an amplifier to play music. The output to the amplifier is via the laptop's headphone jack as the line out port on the laptop seems not to work properly.

I am interested in having a second, independant output to run to a set of headphones. As a second internal soundcard is not possible, what are my options (if any)? Are there any devices that I can use from the USB port that would support this? (Would a simple USB headset work?)

[Background -- I use BPM Studio, a PC based DJ/Virtual Mixer program, which has a standard main output and an ability to preview music files via a MONITOR channel]



A:External Sound Device

You said that you want, "second, independant output to run to a set of headphones"

Not sure what you mean by "Independent"? But since a single sound card will provide only one output at a time....why not just buy a "2 into 1" plug jack at Radio Shack?

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The reference device is shown to exist in the Managment of Disk Units, but not as a Disk Unit or letter in the Explorer.
I am using Windows 10, 64bit system.
The unit worked for several months until I had to eliminate some files to create space. But I must have done something wrong and now it does not recognize it.

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Not sure if this should go in this forum or the phone forum. Is there a way to tell the last time someone plugged an external device (iphone, specifically) into a computer? In other words, I have a desktop computer that users share & want to know if anyone has plugged/connected an external device (again, specifically an iphone) into it recently.
Thank you

A:external device info

NirSoft USBDEVIEW does that and is free.

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I have a WD external USB 2.0 HD. Yesterday, there was a message on screen asking to update driver or something. I ignored it. Now, the HD is gone. It is not under device manager/disk drives. Everything under universal serial bus controllers works properly.

I downloaded HDD Scan and ran it. It did not find the drive. What can I do now?

A:External USB 2.0 HD not seen in device manager

Try this:

1. Uninstall your USB Mass Storage Device then Scan for Hardware Changes.
2. Clear your Mountpoint. You can use Autorun Protector (req .NET2.0) or delete all Mountpoints2 entries in regedit
3. Use DriveCleanup (posted by LookinAround)

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I was just wondering if anybody knew how to solve my problem. It involves my psp, it disconnected and connected wthout me touching it, and it changed all of my 5 folders into 2 unknown files titled "a" and "t" the folders contained music videos and i believe they are still exist but are in "limbo" because the size of the unkown files are 745mb and 5.26mb which is about the same size of all the folders added up.

I am operating on a Compaq Presario SR1760AN with windows XP
any help would be greatly appreciated


A:External Device Malfunction

Download AVG (the free version) to check for malware or possible virii. Another possibility could be that during the process of writing to the hard drive, the computer crashed which is sign of overheating.

Can you tell me anything else that might have led to the issue?

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I have just setup my new All in One MSI Windtop - Nvidia Ion graphics etc - brilliant - except i have attached my Samsung Syncmaster 933 monitor - have followed all the instructions and it is detected but the Samsung not displaying anything - power light flashing! I have restarted with device attached and powered down, nothing - i can see it is detected on Win 7 - have extended display etc and can drag windows across but no display on Samsung - any ideas????

A:External device not displaying

Did you set the resoultion to 1360*768 ?

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Hey! Yes I am new to the forum here, as I am to Windows 7, but I have to give it up for Windows this time, Windows 7 is actually more stable, faster and easier to operate than even today's Vista. Although...

I have an Asus M51Se notebook. And it has not a huge drive, so I store most and all my files on an external HDD, a Western Digital 500gb sata HDD inside a Sharkoon Rapid 3,5" e-sata case, all conected through USB, with no driver cd, and should be driver-less according to the producers. Every time I plug the external hdd in Windows 7 cannot find the drivers and says its an unknown device, resulting in a very unpleasant "Windows has stopped this device because it has reported problems. (Code 43)"

I have googled, I have searched, I have plugged it in and out unimaginable times. I have plugged the HDD out of the case put it inside my stationary computer and plugged it back in with no results. (My stationary ir running Windows Vista HP 64bit). And the stationary computer can find the device, and use it, even after uninstalling the driver, and plugging the device back in. It finds the disc when its in the case and when I plug it into the motherboard, but my Windows 7 running notebook will not.

I have seen some posts here and there, even on this forum about this problem, but those are all of no use to me. So is there anyone out there that can help me with this error? Please, it would be truly appreciated.

A:Unknown Device, External HDD

I have had the exact same problem. My proplem was caused buy a usb cable short. I also had the dreaded "unknown device" error followed by a You must format before windows can use this problem (the drive is already NTFS formatted). I also thought it might be a bad drive so I pulled another working sata drive from another box and tried it and it had the same problem. So I thought maybe its a usb port problem and moved it to a different usb 2.0 port. Still no joy. I then had the brain storm that its the cable, and sure enough pulled the "unknown HD" out popped it into another box and it worked.

Sorry to be so long winded and I hope this helps somewhat


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I have an old internal HD 500gb Hitachi and wanted to transform it to an external HD so I bought an Aukey USB 3.0 2.5 "HDD External Enclosure model DS-B4 on Amazon. At first it worked but suddenly the LED on the Enclosure turned off and the USB Device is not recognized anymore.
I have a Windows 10 Pro x64 based processor.
HD doesnt show up on Disk Management(only the first try when it worked)
HD show up on Device Manager on Universal Serial Bus controllers in "Unknown USB Device (Device Descriptor Request Failed)^with error code 43.

A:External HD USB Device not recognized

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I am trying to plan a backup strategy for my new Yoga 710. This is going to involve being able to boot from external media, such as Windows PE as used by Macrium. However I am still unsure about what the implications of UEFI are for this. Will I be able to boot from external media if Windows fails, or do I need to do something special beforehand to make that possible? For instance do I need to disable secure boot?

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Hello Dell,  I am very disappointed that I purchased this computer in May 2017 and I can not get the two recording programs I own, to record external sounds, i.e. a cassette player, so I can make CDs of cassettes I own.  I asked about this on this site a few months ago, as I did get a few replies, as I do know how to do this, based on a ASUS and a Gateway use, just fine.  Music comes out of the speakers, from the computer in the out jack, as my cassette player is hooked to the in line.  I called Dell and was told this is a software issue and for me to get this, maybe, solve, it was going to cost me. I found that terrible, for a 1000 dollar computer, as I do have a Dell U2515H monitor.  I do have Geek Squad, so I can bring it to them, and not have a computer for a week.  I only have a few cassette to convert, so I can drag the ASUS out, as that works fine, but its a old computer and this function should work on the top of the line Dell.
If I can not get this solve, I will never buy a Dell product again, as over all its a great computer, but this is so wrong.  Thank for you reading.  Mike

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Hi, i'm not sure this is the right forum. If not, I apologize.

Anyway I have 3 external harddrives I often connect to my HP Pavilion. They connect fine, and I have no issues accessing data. However whenever I tranfer large amounts of data either way, the drive will just go dead. If I try to access any file on the external HD afterwards it simply can't find it. If I unplug the usb, it still shows as being plugged it. If i try to use the safely remove hardware it will tell me something is in use, and I can't. Basically I have to restart the computer inorder to plug the external HD back in and use it.

Its not just external drives either. Basically anything when tranfering large amounts of data. Recently when updating my iphone it went dead, which resulted in me havning to restore my iphone back to its original settings, which inturn resulted in me havning to tranfer all my music, and videos back onto it. I think I had to restart my computer 20 times before I got everything on it. My little memory stick slots also go dead.

Anyway, I never had this issue until after I upgrading from vista to windows 7. So i'm sure its related. Does anyone know whats wrong, and how I can fix it? I havn't been able to backup my computer in 2 months because of this issue. Any help would be much appreciated.

Here's my computer info.
OS Name Microsoft Windows 7 Home Premium
Version 6.1.7600 Build 7600
System Manufacturer HP-Pavilion
System Model KT334AA-ABA m8530f
System Type x64-... Read more

A:external device issues since upgrading

Check whether "Write Caching" is enabled. Go to Device Manager > double click on Disk Drives > Right click on the disks in question and go to Properties > Policies Tab. If caching is not enabled, you should enable it. But from then on always use "safely remove" before you disconnect a disk.

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Hi Guys ,

I am having 5 Internal HardDisk of Different space Sizes ( 80gb, 120gb, 160gb, 250gb, 500gb )
I want to combine all these hdd to create one single External Hard Disk Storage Device ( 1110gb )..
please help me out how can i create it . what all things i should require . how can i do it ..
Thanks in advance



A:External HardDisk Storage Device

You need an external enclosure with 5 drive bays and that supports RAID JBOD.

But there is no benefit aside from only having a single "drive" and drive letter.

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This is what I am looking for . External storage device 160 gig and up it does not always have to be connected when the computer is on. ( I shut my computer down at night) Can be firewire or usb and must be reliable. I am basically looking for something to transfer files to as a back up and storage. Not looking to run programs from it. What is the best route to go.

A:WTD recommendations on external storage device

If it's connected to a computer with USB or firewire, the computer has to be on for other systems to access it. If you don't want to have a computer on to use an external drive, you would need a network drive connected directly to your router.

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Once I rip a cd into windows media player its fine and saves the files as mp3s.
But when I go to drag and drop the mp3s into my psp which is connected through usb, it comes up with an error and the mp3s don't copy to my psp.

Any ideas?


A:writing mp3s to external device (psp)

Are you dropping the files into the right folder in your psp? I vaguely remember a PSP that had different folders for music, video, system files etc.

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because a program is still using it. Close any programs that might be using the device.

I really hate it when they give you stupid statements like this, I mean... If I knew what program is holding it back, I would do something about it.

I have a WD 320GB USB passport and not until recently I have gotten this message. Now, every time I move a file from my HDD to my Passport, wait a while or a long while and try to "Safely Remove Hardware" I get the message.

In XP I just yanked the thing from the port but with Win 7 and Vista I was trying to be more civilized.

Is there a tool or utility that would tell me which application has a hold of the drive? I tried unlocker but it does not seem to work with my win 7 64 bit

I hope I am in the correct section.

A:Windows canít stop your External USB device...

Nobody? bueller?

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