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Unknown device x1 carbon 3448 windows 10

Q: Unknown device x1 carbon 3448 windows 10

Hello everyone. This is my first post with my new device thinkpad x1 carbon Gen-1 3448-4Y7I bought it as a second hand device. I am quite happy with it. After downloading windows 10 installation flash from microsoft website, i installed win10 pro with my license and everthing is ok. But, i downloaded the lenovo system update programme to install the newest drivers automatically. After installing the drivers automatically, i have still 2 drivers that cannot install. Thinkpad bluetooth with enhanced data rate softwareLenovo HID HW Radio Driver IT just starts installing but, never changes. When i restart the win10 the 2 drivers come by searching at system update programme. And also, i have unknown device, under other devices at device manager. win 10 cannot find the driver by automatically update. These are the details: ACPI\INT33A0\0Device ACPI\INT33A0\0 requires further installation. Can anyone help me? Thanks in advance

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Preferred Solution: Unknown device x1 carbon 3448 windows 10

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.)


Hi, After long check on many forum (Lenovo and other) i still have an issue with my X1 Carbon on Windows 7.I have install normally all necessary driver for my thinkpad but i still have an Unknown USB device. It seem that i need a driver for an equipment on port 4 from hub USB. Which driver and which equipment is it ? can someone could help me ? Regards.

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A:X1 Carbon 20A8 windows 7 - Unknown Device USB

Hello and welcome to the forumCould you expand the Propriete list and show Hardware ID values?It'd be more informative if you'll show this unknown device in the devices tree:choose "Devices by connection" in the Device Manager' View menu, expand the tree and find out this unknown device. What are its parent devices?BTW, is win7 installed from official ms image or it's a custom package? Did you install drivers using Lenovo ThinkVantage System Update application? Is an Intel Chipset Driver installed?

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Been going back and forth and can't seem to find a screen that can replace my Thinkpad x1 carbon 3460 1f4 screen. Have found one for the 3448. Don't know if they use the same screen and pins?  See photo for description of the replacement screen I'm looking at.  


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A:Can the Thinkpad x1 carbon 3448 laptop screen replace a Thinkpad x1 carbon 3460 1f4

The 3448 and 3460 machines use the same panels, hinges, lid, cables, etc.

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the battery in it is dreadfull it holds for 1.1\2 hours maybe less with hard work the computer says that the battery is in OK status is there a way to upgrade the battery in the x1 carbon 1st genmodel number : 3448-B2U thanks! 

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Hello everyone, I have 3448 X1 Carbon as a second hand which was bought 3 months ago.When i try to enter the Mebx settings CTRL+P, the default ''admin'' password does not work. Probably the last user before me changed it, but i cant reach the man that i bought.I have full access to bios settings with full permissions. I tried to disconnect the main battery and cmos battery several times, but this procedure didnt work for resetting the Mebx password.Is there any option or trick to be succeed? Or will it be secret till this laptop goes to rubbish? Thank for your answersErman.

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My x1 Carbon (type 3448) screen is broken and I'm having trouble finding solutions as to which screens will fit it. I just want to know for sure as I will most likely be purchasing the replacement screen online. Any help would be much appreciated, Cheers!

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I think im having the same issue as this posting https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X1-Carbon-LCD-Backlight-broken-needs-new-fuse... Except mine is a 1st gen, and im having trouble finding thd backlight fuse on the motherboard for my model. Basicaly i broke my screen, tried replacing it myself. But once i connected the new screen, it was just dark. If i shine my light in the back, i can still see the image, so the screens working fine. Everythings just dark. anyone have any idea how i can fix this on my first gen model? thanks

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I have Windows 7 Ultimate. Since very recently an unknown device keeps popping up in the device manager every time I start Win. It's reported location is within the front USB root hub but I haven't changed there anything lately. The device status reports "Windows has stopped this device because it has reported problems (Code 43)". I can uninstall/disable it but it will get picked up again the next time I reboot. All other usb devices (mouse, keyboard, web camera, APC UPS, external drive, printer) work fine. How do I get rid of this nuisance so that it doesn't reappear?

A:Unknown device: Windows has stopped this device because it has reported problems (Cod

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hi, heres my problem:

* USB 2.0 doesnt work when plug in to USB port. XP gives message Unknown USB device. USB has malfunctioned..

* from device manager here is my USB devices.

SiS 7001 PCI to USB Open Host Controller
SiS 7001 PCI to USB Open Host Controller
SiS PCI to USB Enhanced Host Controller
USB 2.0 Root Hub
USB Root Hub
USB Root Hub

I have SP2 installed, did reformat my hard drive and install fresh windows XP. all the drivers are up to date and even the BIOS.

What is causing this problem? Any help would be greatly appreciated...

PS. When i disable USB 2.0 Root hub and SiS PCI to USB Enhance Host Controller. The storage drives work in USB 1.1. My external usb drive is a HITACHI 10 G hard drive.

A:USB 2.0 storage device malfunctioned in Windows XP. Unknown Device!?!

recently I had a friend who expierienced the same problem with a Nforce chipset after a fresh install of XP with SP2. even though SP1 and SP2 insclude the drivers for USB2.0 his usb 2.0 devices werent working. he ahd to go to the Motherboard makers site and download the USB 2.0 drivers and then it worked.

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HI! We have updated one X1 Carobon to Windows 10 for test and see if the function cast do device can work.The laptop find the tv but when we want to connect it says "cant connect" so we cant reflect the image Any suggestions?

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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 solved this issue (see my other post) with the help of Lenovo support techs by rolling back the HD Audio Driver in Device Manager.  Changed it from the Lenovo-supplied Conexant HD Audio driver to the generic Microsoft HD Audio driver.  CPU usage is now running at <1% for the "Windows Audio Device Graph Isolation" process in Task Manager, whereas prior to rolling back the Conexant driver CPU usage was a constant 15% to 30%, and it occasionally spiked at much higher levels (on two occasions in excess of 90% CPU usage for the 'WADGI' process).  Everything's been fine since the rollback, but I am wondering if anyone else has experienced this with their 2017 X1 Carbon?  I don't think it's a sound card (hardware) issue because CPU usage is normal when using the Microsoft driver and there is nothing wrong with the audio output or mic input.  I'm thinking it has to be poorly written s/w code for the Conexant driver, but would like to hear any other views on the subject, especially if you've had a similar experience.  When I was experiencing higher CPU usage with the Conexant audio driver it also caused the fan to kick in a lot more often, of course, particularly when other processes were in play, but now the machine is very nearly always fan silent, with only occasional, momentary spikes of fan use, which is normal.

Lenovo X1 Carbon 5th Gen (20HR) / i5 7300U / 16GB RAM / Win10 'Creators' ver. 10.0.15063

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Dears, as title written, TB3 cannot be found in Device Manager, while already enabled in BIOS (1.30):Installing TB3 driver from X1C6 driver page shows no error but cannot found entry in Program File(x86)\Intel\, which can use to identify TB3 version;ERROR arises while install TB3 FW update from X1C6 driver page, although it detects  pre-requistes met.The ERROR is 0x208: SDK_SEREVICE_NOT_FOUND service doesn't exist, what service is expected?    Could anyone show a screeenshot with TB3 enable in device manager? pls.help thanks!     

A:Thunderbolt(TB3) NOT found in device manager for X1 Carbon 6th 2018(X1C6) in Windows 10 (Wx)

I didn't read all of your post, but I assume this is part of what you're looking for.Under "System Devices"Also, AFAIK, the TB3 controller itself is responsible for regular USB-C functionality on those two ports (though not USB-C PD [charging] that is handled by a seperate PMIC). So if the USB-C ports work with a flash drive, for instance, then the TB3 controller is working at some level. Charging is handled seperately (even though they are using the same ports), and I don't remember what the TB3 controller's exact relationship with USB-C DP Alt Mode was, so I don't dare comment on that. EDIT: for clarity, I should note I have the charger plugged in right now, along with an USB-C --> DP cable, driving an external monitor. When I briefly unplugged both devices, the TB3 controller seemed to still be present in the device manager, though I cannot guarentee that's an accurate assessment.

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OK i have a problem

After a fresh Windows 7 x64 installation and installing all possible device drivers, I still had an Unknown driverless device left.

Pretty much everything I could get from the device manager wasPort_#0001.Hub_#0006

I use i7 920 on Pt6 asus MB.

Windows update did not know anything about this mysterious device, and i am confident this Unknown Device is reason for Blue screen and Win7 crashes

A:PT6 Windows 7 Unknown Device

Quote: Originally Posted by Vem

OK i have a problem

After a fresh Windows 7 x64 installation and installing all possible device drivers, I still had an Unknown driverless device left.

Pretty much everything I could get from the device manager wasPort_#0001.Hub_#0006

I use i7 920 on Pt6 asus MB.

Windows update did not know anything about this mysterious device, and i am confident this Unknown Device is reason for Blue screen and Win7 crashes

If you go to the unknown device and right click>details>hardware ID's (see pic). Copy the hardware ID and google them. that will tell you who makes the device. You can then go to the mfr website and get the driver.

Let us know if you need help


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Hi Forum I installed Windows 10 x64bit on a HP DV6 . There is a question mark in the device manager. I see the following message Device ACPI\HPQ0004\2&daba3ff&3 requires further installation. Where do I find the driver for this device? or whar device this is? Please help / advise Many Thanks Michael   

A:driver for an unknown device -- windows 10 x 64 bit

It's the 3D Driveguard (accelerometer) driver. Try this: ftp://ftp.hp.com/pub/softpaq/sp75501-76000/sp75979.exe If this is "the Answer" please click "Accept as Solution" to help others find it.

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Hello,after installing Windows 10 I can not find driver for "PCI Serial Port" with this hardware idPCI\VEN_8086&DEV_1C3D&SUBSYS_21DA17AA&REV_04\3&21436425&0&B3 Can someone help me? Tnx in advance.


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A:x220 - unknown device on Windows 10

Hi and welcome, Riccardo78It's an Intel 6 Series Series Chipset Family device, Active Management Technology - SOL.Driver should be in the win10 image. Otherwise get it in the ms updates catalog:http://catalog.update.microsoft.com/v7/site/ScopedViewInline.aspx?updateid=a9cebd1c-43d1-4a74-8b10-8...Choose the 3rd entry, it's for the Wistron, x220 mobo manufacturer.Use IE browser.

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I've problems with my Windows 7 Ultimate in both, 32 bits and 64 bits versions, with a SATA DVD writer Optiarc DVD RW AD-7561A. It was recognized before by months, but without any change in the machines, it became unrecognized. I tested in other machines
and its OK. First, I use it like a SATA device and when the problem began I installed throug a USB 2.0+Serial ATA enclosure model ME 350 Series. The 32 bit Windows 7 is in a generic desktop machine win a 32 intel processor an the 64 bit Windows 7 is in a Compaq
Presario V3618LA

A:Unknown device in windows 7 (code 43)

Regarding the issue, I suggest updating the SATA device's firmware and computer BIOS from the manufacture.

In addition, please refer to the following blog to reinstall the USB controllers and
delete filter driver
Delete filter driver
1. Click the Start Button, type "regedit" (without quotation marks) in the Start Search box and then press ENTER.

2. Navigate to the following key:


3. Right click the {36FC9E60-C465-11CF-8056-444553540000} 
entry, choose "Export", select Desktop in the Save in box and type backup in File Name. Click Save.
Please Note: The backup file is on the Desktop and named backup.reg. We can simply restore the registry by double-clicking the backup.reg file.
4. Highlight this key ({36FC9E60-C465-11CF-8056-444553540000}), in the right pane, check if Upperfilters and Lowerfilters value are present. If so,
please right click on the values and select "Delete" to remove them.
5. Restart the computer
Best Regards,
NikiPlease remember to click "Mark as Answer" on the post that helps you, and to click "Unmark as ... Read more

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I just did a fresh install Windows 7 and installed all updates and drivers. Although, I noticed an unknown device in Device Mamager. It's an Intel(R) ICH10 LPC - 3A18 Interface Controller as written in properties. I installed every damn thing about it (actually the Intel_ChipsetInf_V9111014_XPVistaWin7), but it seems that I'm missing something. Also, so far system is running smoothly, but I want to be sure that no harm will be done from this issue. Any ideas why it's marked as unknown all the time?

Any help is appreciated...

Motherboard: Asus P5Q SE
Prossesor: Intel Core2Quad Q8200
Video card: Nvidia GeForce 9600GT

A:Solved: Unknown device in Windows 7

Have you run Windows Update? Do so manually and check the optional updates once he scan is done, there should be an ASUS ACPI driver listed, install that and see if it clears the error. The driver is also posted on the ASUS site under I think utilities for many motherboards.

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Hi everyone,
So first I'll give you basic information about my computer and then I will tell you the rest. First my computer when bought came pre installed with Windows 7. As soon as Windows 8 came out I upgraded to Windows 8. My system is BIOS not UEFI. I have about 3gb ram and 500gb hdd drive 2.20 ghz processor. Windows 8 runs really smoothly. So recently 2-3 days ago I decided to dual boot Ubuntu with Windows 8. Before when I had Windows 7 I dual booted it with Windows 8. So now I thought about dual booting with Ubuntu 12.04 LTS. The Installation process was fine until I take out the installation usb with Ubuntu and whenever I try to restart it the PC would hang on the oem screen for a while which is ridiculously long. Then when I would boot into Windows 8 and sign in I would get a notification message saying the last storage device you plugged in isn't found. I went to the device manager in Windows and it would say an unknown device has been found and even if I tried to Uninstall it would come back again. I tried searching for updates but nothing came up. I googled it and got no results. If you guys can get me the problem solved it would be great. What annoys me the most is the PC hanging on the oem screen. Right now I fresh installed Windows 8 so it's the only OS running at the moment. But I want Ubuntu 12.04 LTS because of git, ssh and all the server side stuff. I have also posted the error screenshot for more info.


Gurinder Hans

A:Windows 8 unknown device found

I would take the ISO download and make a bootable DVD with it.

What software did you use to put the ISO on a bootable USB drive?

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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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Hi, I wonder if you can please help or point me in the right direction. Installing Windows 10 Pro 64-bit on a Thinkpad X240, I discovered an unknown device in Device Manager, showing in the Events dialog box, "Device ACPI Int 330A0 0" with the drivers not installed being shown. I have used all the corresponding Windows 10 64-bit drivers downloaded from the Lenovo support website and also pointed to the drivers directory on the hard disk but this fails. In comparison, on the same Thinkpad X240, a Windows 7 Pro 64-bit installation from the recovery media is fine. The only difference that I noticed between these 2 installations was that in the Windows 7 Pro 64-bit installation there was a SM BIOS driver entry shown, which was not present in the Windows 10 Pro 64-bit installation. If this is the missing driver, where can I find the relevant driver files for the unknown device in Wi dows 10 Pro 64-bit? By the way, for the Thinkpad X240, what is the maximum capacity of the SATA hard disk which can be used and is it a form factor of 7mm? Also what is the maximum amount of memory, which can be installed on the Thinkpad X240? Many thanks in advance, for all your support. With kind regards.

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Running Windows 10 v1607 x64 on all (+/- 300) our Dell E5550 laptops. We notice that on all systems there is an Unknown Device present in devicemanager.
Hardware-id: ACPI\VEN_INT&DEV_33A0
Searching this ID it looks like i am missing the Intel(R) Smart Connect driver, however i cannot find this driver on the Dell website for Windows 10. Can anyone help me out with this please? Thank you!!

A:Dell E5550, Windows 10, Unknown Device

Greetings SummaSTJO,
Thanks for your question.
There's a Smart Connect driver listed under Windows 8.1 on our page. We sometimes recommend you simply try the previous OS version driver and see if it works for you. If the installer doesn't work the raw files are included in the package in case you want to manually install it through device manager.
Deployment of the driver is beyond my scope and you likely know more about that than me.
Here's the 8.1 driver: www.dell.com/.../DriversDetails

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Hi, I wonder if you can please help or point me in the right direction. Installing Windows 10 Pro 64-bit on a Thinkpad X240, I discovered an unknown device in Device Manager, showing in the Events dialog box, "Device ACPI Int 330A0 0" with the drivers not installed being shown. I have used all the corresponding Windows 10 64-bit drivers downloaded from the Lenovo support website and also pointed to the drivers directory on the hard disk but this fails. In comparison, on the same Thinkpad X240, a Windows 7 Pro 64-bit installation from the recovery media is fine. The only difference that I noticed between these 2 installations was that in the Windows 7 Pro 64-bit installation there was a SM BIOS driver entry shown, which was not present in the Windows 10 Pro 64-bit installation. If this is the missing driver, where can I find the relevant driver files for the unknown device in Wi dows 10 Pro 64-bit? By the way, for the Thinkpad X240, what is the maximum capacity of the SATA hard disk which can be used and is it a form factor of 7mm? Also what is the maximum amount of memory, which can be installed on the Thinkpad X240? Many thanks in advance, for all your support. With kind regards.

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After almost 2 years of near flawless performance, my aging computer is giving me some trouble. Orginally a Windows 98 IBM Aptiva 600mhz PII, 64 meg, 20 gig; I have added another 128 meg, an 80 gig WD as slave with only my massive music collection and upgraded to Win 2K (that's when it became near flawless, before that it was a P.O.S.)

Here's the problem, somewhat randomly, my computer just locks up. Control+Alt+Delete does nothing and the mouse pointer is stuck. The only way to recover is to turn it off manually on the tower.

Usually when this occurs, there is some kind of distortion in the display. Sometimes, somewhere between 2/3 and 3/4 of my screen will turn a solid color, usually green, sometimes I can still use my mouse and run programs when this happens, but again the only way to get things back to normal is to restart. Sometimes when it completely locks up, some of the screen looks like it has shifted to one side, with some distortion in the colors.

I went to PC Pitstop and their test showed that I have a disabled device, the device was labeled as "error code 28". My device manager shows no problems. When I went to MS.com, I found that the 28 code refers to a driver issue, but I have no idea what driver is giving me problems. I don't know if this is related, but who knows?

Anyway, thanks for taking the time to read my lengthy post and I would appreciate any responses.


A:Hanging, unknown disabled device? windows 2K

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A:how to update unknown device drivers for windows 10 62 bit f...

@Homra Can you post the Hardware ID??? http://www.wikihow.com/Find-Hardware-ID REO

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Hi, I have clean installed windows 10 and I have an unknown device in device manager.Hardware Ids: ACPI\VEN_ASD&DEV_0001ACPI\ASD0001*ASD0001 Can someone point me to the correct driver please.let me know if you need anymore information. Thanks

A:Unknown Device after clean install of windows 10

Hi,See Paul Tikkanen's suggestion: http://h30434.www3.hp.com/t5/Notebook-Hardware-and-Upgrade-Questions/Windows-10-driver-for-acpi-ven-...RegardsVisruth

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Hi.  I want to Know what are these device name so i can download driver for them. : Unknow device 1.  ACPI\HPQ6007\3&11583659&1 2.  ACPI\INT33A0\0

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A:Any driver for Unknown Device in Windows 10 : ACPI\HPQ6007\3...

Hi: You need these drivers for those devices... 6007: This package provides HP 3D DriveGuard Software (HP ProtectSmart Hard Drive Protection) for supported notebook models that are running a supported operating system. HP 3D DriveGuard Software protects the hard drive by parking the heads if the notebook is accidentally dropped, or is abruptly impacted by another object. File name: sp71811.exe INT33A0: This package provides the Intel Smart Connect Technology driver forsupported notebook models running a supported operating system. TheIntel Smart Connect Technology driver enables the system to resumefrom sleep mode and update supported web applications such asemail. The system enters sleep after the update is completed. File name: sp65233.exe

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I have a dv7-2170us laptop.I performed a clean install with Windows 7 Home Premium 64-bit.I used the drivers for this laptop model from the HP site.I'm getting a few unknown devices in Device Manager.I've tried un-installing the devices and re-installing to allow Windows to re-detect but no drivers are found.  See pictures below, what devices could these possibly be referring to? I have all the necessary drivers loaded that I am aware of and I installed any driver that looked valid from the HP drivers site. 

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A:Unknown devices in Windows 7 device manager - dv7-2170us

EDIT: Everything works!  Thanks for the tip Daniel.  I googled how to identify hardware id's and came up with this site http://www.pcidatabase.com/ , punched in the device id's and bam, it WAS the card reader.  Weird because it was working perfectly.  But I downloaded the driver anyway and re-installed and this resolved the issue.  ============================================= I tried the Intel Chipset Utility, didn't work. Here's the hardware id's though:  If you look closely you'll notice that each of these devices are in fact different. 

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I get this message every time i login ,im not sure what device windows would be referring to. This is a new message iv been receiving ,i cant recall any new devices that i know of.

A:Windows needs to install driver software for your unknown device?

go to control panel
device mgr
look for a yellow mark..see if it has a desription of the device

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I am in the process of configuring a new HP Z820 workstation. This thing is a beast and absolutely love the power. Just recently I started getting a strange device connection sound playing at login/startup. Just after the windows start up chime I hear the second device connect sound.
I have nothing connected differently than I did a few days ago but all of a sudden this morning I now hear it. No USB HD's or flash drives connected.

I was just wondering if anyone knew of a way to figure out what Windows was connecting at login? Heard Event viewer mentioned somewhere but no idea how to use this or where to look.

Any suggestions would be appreciated.


A:Unknown device connect at Windows 7 login/startup

Go to start and type msconfig or use a program called whatsinstartup - here....

|MG| WhatInStartup 1.33 Download

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G'day all.

I have an A600 (Vista original) which I recently installed to Windows 7 Professional 32 bit (reformat/reinstall). I was careful with the order of installation. All is fine except the inbuilt camera does not work and there is an unknown PCI Simple Communications controller listed in device manage. Undoubtedly the two are linked.

I have tried reloading the chipset drivers to no avail. The unknown device is PCI bus 0, device 3, function 0. Is there any way of determining what this device is so I can track down the missing driver?

A:Portege A600 - Unknown device after Windows 7 installation

Hi buddy,

Can you post the vendor and device ID of this unknown device? This would be useful to identify it.
=> [How to identify an unknown device (e.g. Wireless LAN module)?|http://forums.computers.toshiba-europe.com/forums/ann.jspa?annID=78]

But PCI communications controller could mean the webcam? In your case I would try installing the webcam driver from official Toshiba website. After the installation you should be able to start the webcam software and use the webcam.

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Hi, I have read many messages here at forum but couldn't find solution to this problem. I installed fresh WIndows 7 x64, (almost) all drivers from notebook drivers page and still I have one Unknown device: ACPI\VPC2004 in device manager. Why I wrote *almost* - when I tried to install Intel AHCI driver installed did throw up error that there is no hardware compatible with this software. Except that all was installed.I was looking for solution here, tried to install Energy management and other exe files linked in replies but also it didn't help... Can someone help me with finding correct driver for this device for Windows 7 x64?

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Hi, I have a Dell XPS 15Z, which I bought off a friend. They recently updated to Windows 8 and so now thats what I have. But when i go into my drivers its telling me that i have an unknown driver. no solutions online have answered my questions though some came close. So, this is what i know:
Unknown Device
Device Type: Other devices
Manufacturer: Unknown
Location: on PCI Express Root Complex
Hardware Ids:

i don't know if this is related but my laptop also wont charge. I just bought a new AC Adapter to replace the one i had, and it still isn't charging. The light blinks red 4-5 times and blue/green once. ive searched online to see what the problem is but i cannot do some of the fixes as the computer is at 0% battery.

A:XPS 15Z Windows 8 Unknown Device located on PCI Express Root Complex

From the hardware IDs that is the free fall sensor:
The Windows 8.1 Driver is here: http://downloads-us.dell.com/FOLDER01687839M/2/FreeFallSensor_ST%20Microelectronics_W814_A00_setup-FMMHJ_ZPE.exe
The Windows 8.0 Driver is here: http://downloads-us.dell.com/FOLDER00951951M/6/FFS_ST_W78_A00_Setup-KT7XG_ZPE.exe

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I just completed a Windows 7 Home Premium clean install on my Fujitsu Lifebook. Everything seems to be running fine, except that in the Device Manager I am seeing two "Unknown Device" icons under "Other Devices". I'm trying to identify what these are, and if I need to install drivers for them. The Hardware Ids codes are: ACPI\FUJ02B1 and ACPI\FUJ02E3. Grateful to anyone who can help identify them, and point to where I can safely download drivers.

* Just a note that the Windows "Update Driver Software" tool didn't turn up anything for these. Also, I downloaded the entire driver pack from Fujitsu for my machine, but I don't know how to identify which driver I need. - Thanks.

A:Unknown Device driver identificaiton on Windows 7 clean install

Hi Welcome to Seven Forums ... You need the Fujitsu System Extension and the Driver above it .. You can get them from the Link below

Fujitsu America - Support

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hey please help my younger relative has borrowed my laptop for a weekend and brought it back to me with no backup dates or system folders, any info would be much appreciated cheers

A:hp probook 6560b windows 7 pro, unknown device, error 0x8007042c

Can you explain more please, I don't know what you mean.

Words are cheap, don't be afraid to use them

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I've been working on a friends Dell Inspiron mini 1011. Initially She could not get onto he wireless network.
She had someone else get rid of malware on it. I'm not sure what they did, but there were three devices in
Device Manager- including the wireless card- that were not installed.
One device was marked unknown and is the only one I cannot figure out after looking through Dell's
driver page using servicetag. The device Instance ID is ACPI\CPL0002\2&DABA3FF&0. Looking at its
properties, I see it has a status code 1. Microsoft says "This is very common with universal serial bus (USB) and Institute of Electrical and Electronics Engineering (IEEE) 1394 composite devices...." The System Information tool > components > Problem Devices shows nothing.
Google revealed it is most commonly fixed by installing smart battery or battery meter software. No luck with that. It MAY be bluetooth- BT is enabled in BIOS. WIDCOMM software does not detect a BT device.
I'm including setupapi log as an attachment

A:Windows XP unknown device Dell Inspiron mini 1011

You have to find out the device you recently attached to your computer. Under what category is it in the device manager? Specify this and I may find you the drivers that may help you solve the problem. Also state your motherboard model

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hello all. i dont come around to this site very often but i desperately need you guys help.

im trying to get a gamebridge i purchased a few days ago to work. the first day i had everything going according to plan and had it installed on there and everything, but then i was having problems with it... it wouldnt show my game screen. so i decided to install to a new usb drive.

i took the device out and tried to reinstall to another drive but it didnt work... and now when i try to put it back into the original drive it gave me an error. so i went into device manager and unistall the device manually from the original drive.

but now i try to install it again to any drive it give me the code 28 error...
someone please help me i really need to fix this problem.

thanks in advance!!!!!!!!!!!!!!!!!!

A:USB drive not properly installing device(GAMEBRIDGE). (unknown device code 28)

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Note: Device manager lists appropriate bluetooth antennae.  Some items are still showing up ok, but many (some new, some previously paired) are listed as unknown now, so they are useless to me until this is resolved.  This is a fairly new Flex5 (bought at Microcenter about a month ago).I ran the Lenovo "Vantage" program to get the latest bluetooth drivers on board.Tried uninstalling BT driver and running manual install of intel and Qualcomm drivers.  Windows10 is not seeing the Intel ones, I think as when I try to change the driver to the intel ones I only see the the QualcommAtheros and the generic bluetooth drivers available.  I ran that installation a number of times, but havn't been able to try the Intel drivers yet.  I'm not sure if they will fix the problem, but would like to try them, unless someone here can point me at something else that may be the cause.  Thanks for any info! 

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hie i have just installed window 7 and this devices are missing, any help will be very much appreciated.
base system device
device id


LOCATION; PCI bus 0 device 2 function 1
PCI\VEN 8086&DEV_3582&SUBSYS_120E10CF&REV_02
My laptop is FUJITSU-BIBLO MG13D

A:base system device, video controller and unknown device missing

Before I can help you, follow these instructions to let me know more about it: New to SevenForums? Fill out your system specs (this tool may help you out a great deal).

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I was just working happily when my Microsoft Bluetooth Mouse just suddenly stopped working.
The Bluetooth settings page says "Bluetooth is turned off" and there are no options on the settings page or the system tray to turn Bluetooth on.
The Device Manager now has "Unknown USB device - device descriptor request failed" where it did not before.
Other devices all seem to be working fine - USB devices plugged in are being recognized and work properly. Only BT seems to be broken.
I've tried:
uninstalling the device and rebooting
installing the latest updated chipset drivers from the dell website
windows updates
pretty much all of the advice here: http ://troubleshooter.xyz/wiki/fix-usb-device-not-recognized-device-descriptor-request-failed

Any other ideas?

A:XPS 15 9550 Bluetooth stopped working (Unknown USB device - device descriptor request failed)

So in desperation I just went into BIOS settings to see if there are any BT settings that may have become disabled. I didn't see any, and I didn't change any other settings.
After rebooting, BT and my mouse is now working again.
Something seems to be really flaky here, but hopefully this will help others with the same issue.

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I recently put together a new computer, and in the process of of installing the USB 3.0 connector from the front of my GX500 case, I either bent numerous pins on the motherboard USB 3.0 header or the motherboard shipped that way and I inadvertently made matters worse. Anyway, that header on the motherboard is without a doubt unusable.
Since I don't really need the USB 3.0 functionality, I bought a USB 3.0 -> 2.0 adapter cable, connected one end to the connector on the front of the case and the other end into the USB 2.0/1.1 header on the motherboard. Unfortunately, when Windows 7 boots and I plug a device into the front ports of the case, Windows detects the front USB ports as "Unknown Device" within Device Manager yet says the driver is successfully installed. I've already downloaded the most current Intel chipset drivers for my motherboard, deleted and reinstalled all USB drivers, and all rear USB connections are working perfectly fine - it's just the two front ports that are connected from the case to the USB 2.0/1.1 ports via the adapter cable.  I've tried both USB 2.0/1.1 headers on the motherboard, and I've tried plugging in several devices to the front USB ports, and this problem still persists.
I've ensured the connection inside the case is solid, yet I cannot get Windows to recognize the front USB ports.  However, I have confirmed that power is being sent to the front ports because it charges my phone when I connect it to the front USB ports via m... Read more

A:Front USB Ports not Working - "Unknown Device" in Device Manager

If your motherboard has a 1x pcie slot you can get a card like this...
Some motherboards it's a tight fit because of the video card taking up space. In that case you can relocate the above card with this...

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Hi everybody.

I just bought myself a Powercolor Radeon HD 4890 yesterday. After installing the card and the required drivers everything works like a charm. However, every time I start up my PC I get a message saying that a new device has been found on my system. On checking Device Manager I found an "Unknown device" entry under "Other devices".

I'm attaching a screenshot of Device Manager.

Are there any drivers I'm missing? It only happened after removing my old card (after uninstalling all its drivers) and installing the Radeon.

Any help is greatly appreciated.


A:Unknown Device In Device Manager After Installing Radeon HD 4890

I have a Powercolor Radeon HD 4890 (I also have a Gigabyte 4890 and XFX 4890 in two other PCs). I think you need to install the latest ATI Catalyst Suite. You may have installed the driver only package. Anyway, I think it has to do with the HDMI capabilities of the card. High def sound is built into the card (the HD part of the card name) and the HD sound driver is part of the Catalyst Suite. When you use an HDMI cable to an appropriate display, HD sound is also transmitted through the same cable from the Radeon graphics card.

Of course, be sure to install .NET Framework 2.0 as it is required before you can install the full Catalyst Suite. The HD sound driver won't install without it. At least I had trouble before I installed .NET 3.5. I went to Windows Update and installed .NET Framework 3.5. 2.0 is included in that update and 2.0 wasn't available separately.

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I have a unknown device in device manager. When I plug in my power cord to charge i get a black screen as soon as i unplug the windows screen comes back. Not sure if these are related or not.


View Solution.

A:Unknown Device - Device Instance Path (ACPI\INT33BD\1)

Hi: I am pretty sure you need this driver.  The latest is for W8.1. This package provides the driver that enables the Intel SidebandFabric device. Intel Sideband Fabric Device Driver is a bridge tothe Intel Dynamic Platform and Thermal Framework. This package isprovided for supported notebook models that are running a supported operating system. File name: sp65474.exe I don't know if not having that driver installed is related to the black screen issue.   

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How do i figure out what driver or even component windows wants software for when in the device manager under other devices it lists an unknown device and windows update cannot find anything.

Oh and is it appropriate for me to use this topic to ask another question regarding explorer.exe as while i am inside a folder i delete (by choosing delete from the context menu in the tree view) while inside that folder on this particular laptop PC explorer. always crashes, collect information, sends it and restarts explorer. I have not experienced this problem on any other pc running any version of windows 7, oh and the same happened with build 7264 x32 and the current install of build 7600 x64.

A:Device Manager reports Unknown Device & explorer crash

Please fill up the System specs...

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Sorry that last word didn't get in the subject line.


These two values are:
My bios info

So should I do this:

ASUSTeK Computer Inc.-Forum- driver missing
When I download that zip file from under "Install the Bluetooth driver:" it has so many files to choose from.... I don't know what to do?

I've also found out that I need to disable "boot from network" or "boot from lan" in bios to get rid of this unkown device issue?

A:Unknown device in device manager after Bios default settings are

Well it might be a good idea to look at the following tutorial:

Device Manager - Finding Unknown Devices

Use the link in Step 7

Also I tend to find this tool useful:

Download Tweaking.com - Hardware Identify Portable - MajorGeeks

Right click on each result in the list for more options.

Edit: On my machine a similarly named device appears to be a webcam.

In the list USB Composite Device doesn't mean much but matching the ID seems to indicate that it's the webcam.

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