HP Probook 4740s unknown device

After an update to Windows 8, Control panel is showing an unknown device with ID:
ACPI\VEN_HPQ&DEV_6001
ACPI\HPQ6001
*HPQ6001
Does any one know what this is?
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Hi,
It's the HP Wireless Button Driver on the following link.
http://h20565.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdDetails/?sp4ts.oid=5229500&sp...
Regards,
DP-K
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HP ProBook 4540s missing unknown device

This is my 3rd day since i bought this new HP probook 4540s [Product No. B9A39PA#UUF] and i like it, i made a clean install for windows 7 ultimate x64 and i've just realised that the hp drivers support page dose not has any drivers for the ultimate version, so i downloaded the proffesional drivers, now i have all devices are installed except two devices named unknown device, please help me. The hardware Ids: 1- unknown device USB\VID_138A&PID_003D&REV_0104
USB\VID_138A&PID_003D 2- unknown device ACPI\HPQ6000
*HPQ6000

Hi, Can you post back with the following details. 1. The full Model No. and Product No. of the notebook - see Here for a guide on locating this information. 2. The full version of the operating system you are using ( ie Windows 7 64bit ). 3. R

HP Probook 6570B ACPI\HPQ6000 'unknown device' win7 32bit

Please could somebody help me?
i have a HP Probook 6570b running win7 32bit and i have an unknown device ACPI\HPQ6000 and was wondering what drivers to download,
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Hi ant1994
Download:
HP Mobile Data Protection Sensor
http://h30639.www3.hp.com/pub/softpaq/sp56001-56500/sp56488.exe

Unknown device and bluetooth probook 4530s

I bought a used 4530s . It had an illegal copy of windows on it . The recovery partition was gone . I have two problem devices left . One is an unknown device . The other is a generic bluetooth . it is a 4530s xuo15ut . unknown device details
usb\vid_138a&pid_003c&rev_0086
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generic bluetooth device details
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This question was solved.
View Solution.

Hi:
Install this driver for the fingerprint sensor.
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=32...
Install the Atheros bluetooth driver and software:
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=32...
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ACPI\VPC2004 Unknown Device - Lenovo g560 windows 7 pro. x64 installed

I just bought Lenovo g560. And installed windows 7 pro. x64 and installed drivers from driver cd shipped with laptop (windows 7 drivers). After installed all drivers still I had one device unknown ; device id = Acpi\Vpc2004. In the Windows 7 solution center, there was message about download energycut and install. I downloaded and install energycut. But nothing changed and power management option program not working too.
I googled so much and couldn't find any solution.
+++
Actually there very interesting situation, there is any driver or support about lenovo g560 on lenovo global support site. And auto detect is not working too.
Did I made mistake to buy lenovo instead of thinkpad???
If somebody have solution about this acpi\vpn2004 driver please help.
Because like that when sleep or lid laptop not waking up.
After hibernate and start computer, having blue screen and system halted message. until start without resume system.
Solved!
Go to Solution.

I googled this: "ACPI\VPC2004 Unknown Device"
Third hit was THIS at another Lenovo forum.
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My iphone 4s keeps coming up as unknown device since i upgraded to ios 7. it will not activate

ive got an iphone 4s which worked fine before i upgraded to ios 7. now it is stuck at the activation screen because it keeps telling me my device is unknown. i have tried activating it over wifi and through itunes but no luck, itunes tells me that there is a problem with the device and to contact a service centre. it has an active sim card in and all worked fine before, now i have a very expensive paperweight and im getting very annoyed. apple want £25 just to talk to me which i am not paying as i think its ridulous that i have to pay for thier **** up. does anyone have any adive or had this problem before?

Ok I just got pass the error CONNECT TO iTUNES and UNKNOWN DEVICE. I can not gurentee this will work for anyone else. This is what I did and it worked out:
CONNECT TO iTUNES error
1. I removed the sim card and put the device on charge for several hours, the display switch between the Apple logo and the connet to iTunes logo.
2. I launched iTunes and connect the device to the computer while the display was on the Apple Logo (not connet to iTunes logo).
3. I put the device in DFU while still on the Apple logo.
4. I forced a deliberate error while attempting to restore by selecting a older iOS firmware (iOS 6) and click restore (I got the error, maybe this step does nothing but things changed from here).
5.At this point the device remained in DFU mode and restored to the current iOS 7.0.4 firware.
UNKNOWN DEVICE error
6. After restore the device went into searching, at this point I put the the sim card into the phone
7. Select Language and Country, the device error Unknow Device (this might be as far as you can go).
8. I took the sim card out and let the phone rest. After an hour or so the device completed the search and read No Sim.
9. I put the sim card back into the phone and the phone activated.
I tried evething online and nothing worked. This is what worked for me. Hope this helps, good Luck!

Creative Zen 8Gb-Unknown Device!

Creative Zen 8Gb-Unknown Device!? Player: Creative Zen 8gb
Firmware Version: .20.02e
OS: Win XP with Service Pack 3 (Unknown Origin)
Windows Media Player: Version .0.572.545
Motherboard: ASUS P5Q PRO
My problem is that when I connect the player to my computer it is recognized as a Unknown Device and listed as Unknown Device in the Uni'versal Serial Bus Controller of Device Manager.
There is no yellow triangle, there is no section for Portable Devices. It simply registers as Unknown Device.
There is no apparent way to synch with the device. It does not show up in Creative Media Explorer, Windows Explorer or Windows Media Player.
The Original Creative CD installation package does not detect it.
The newest Creative XP installation package from official website does not detect it.
The newest Creative firmware installation package from official website does not detect it.
I have tried several USB slots from front and back (am using back mostly) and short black USB cable (0s long) as well as another USB cable. All USB ports are 2.0.
The player charges normally when connected to the computer and works perfectly for listening to music etc.
Help please! Im poor as hell and will go insane without this player :/

When I connect the Zen, that is where the change happens in the Device Manager trees. It is not recognised as Creative Zen, Portable Device or even a device with a yellow exclamation triangle.
In other words, when I plug in the player, that is how it is represented in the Device Manager trees. As an Unknown Device in the USB controller section.
For your information I have tried this player on 3 other systems.
Laptop A with Win XP/Service Pack 3/WMP
Laptop B with Win XP/Service Pack 3/WMP 0
Laptop C with Windows 7
RESULT IS ALWAYS SAME.
UNKNOWN DEVICE!
The player works fine in and of itself and charges normally when plugged.
Please confirm what are the system requirements for Firmware Version: .20.02e which is the currently installed version on my Creative Zen 8GB

I have the iPhone 3GS and I was updating to the IOS 5 version when at the end of the update it said updated failed. Now my phone is not recognized by my computer or any computer. The computer says it is a unknown device and my phone will not do anything.

Need help finding out what happened to my phone and what I can do. After trying to update my iPhone 3GS to IOS 5 my phone will no longer work and is an unknown device to any computer. It is like it wiped out everything on the iPhone and has no hardware or data on it. At the end of the download and update of IOS 5 it said there was an error during the process and gave me no option but to push ok and know phone is not working. The screen shows the USB plug and iTunes symbol, but computers will not recognize device.

What was the error number? That would be very useful since the following gives actions for various errors.
http://support.apple.com/kb/TS3694
Try manually placing the iPod in recovery mode to see if that will make the iPod visible in iTunes. See:
http://support.apple.com/kb/HT1808

Equium L10: Windows Vista Beta2 - unknown device

Hi
I have a Toshiba Equium L10 with Windows XP loaded as default but I installed VISTA Beta2 "public release" on it and given that it's only a 1.5GHz Celeron CPU with 512MB RAM, it ran extremely well but, I have one problem which I am hoping that I can get help with from the users in this forum and especially those who have the same/similar Equium model as I have?
Ok, after installing VISTA I checked in Device Manager and noticed "Unknown Device". After checking out the info given in it's properties, I have detailed it below:
Location: Microsoft ACPI Compliant Embedded Controller
Value: ACPI\ACPI 0001 * ACPI0002
When I re-installed XP again, I went to Device Manager/Batteries/Microsoft SMART Battery, the entry for Microsoft SMART Battery Subsystem has "ACPI\ACPI0002\6&28CA2229&0".
Notice the "ACPI0002" info given for the 'unknown device' in VISTA is the same info given for the "Microsoft SMART Battery Subsystem" in Windows XP. So I am left wondering if the unkown device under VISTA is the Microsoft SMART Battery Subsystem and if so, why did VISTA not install the driver for it?
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Regards
Brave

Hi
The unknown device appears because the driver is missing.
Unfortunately, at this time you will not find any Toshiba supported drivers for the Windows Beta2. This is a beta version and not official on the market.
I think if this OS will be official supported so you will also find the needed drivers.

Windows needs to install driver software for your unknown device

Windows needs to install driver software for your unknown device
This is the message that i get when ever i plug in my ipod touch to my computer. the computer is running on vista. i dont know what to do, because i tried to follow the steps suggested, but it didnt work, the computer said that it couldnt find anything and to check with apple for some driver software. HELP!!!

The iPod touch and iPhone do not use the same type of USB drivers that other Apple devices use. They both require Apple Mobile Device Services to be running. Using this tech article as a guide, you can easily fix this: http://support.apple.com/kb/TS1567

Unknown Device ipod Classic and Windows Vista problem??

Help!! My ipod Classic is not being recognized by my computer. I have read the previous articles and tried the solutions but I continue to get the result "Windows has determined that the driver software is up to date" I continue to get the error noise when I plug the USB in and the Device manager continues to say "Unknown Device" It seems others are having this problem, how do I fix this?

I am having the same trouble with mine, and I can say that it isn't iTunes, I plugged my brothers iPod Nano in and it worked like a charm, but when I plugged my iPod Classic 160g in all it says is it is an "unknown divice". It isn't Vista either as the same thing happens on XP Pro as well, so all I can think of is it is a error on the Classic itself. I just wish someone can help out so that I can use my ipod!!!! Come on Apple!!!! Solve this problem!!!!

Problem with PnP devices, Unknown device, error code:28

Hello, my USB Mass Storage Device Not Recognized( Flash drive- HP v156w, 16 GB)
Full story : I opened flash disk, started to loading and opening files very slow, suddenly all writing, names of the files become unreadable. I took off the flash disk and try again. I got the message- disk have to be formated to be used
again. After a lot of try I got this message:
Unknown device doesn't have a driver ; and Problem with PnP devices when i run trouble shoot in devices and printers on my Sony VAIO laptop( Windows 8, 64 bit), and error code:28 for unknown device doesn't have a driver.
Do other usb devices work ok in the same usb port? - yes
Has someone else/or you used it on another pc?- yes
Does it work ok on a different pc? - the same problem
Did you pull it out with using 'Safely Remove Hardware'? - yes, a lot of time after its become invisible, unknoun
Was it previously working ok with your W8 laptop? - never tried befor
Disk Management can't see the drive.
device manager:
usb device with yellow sine and instead name strange sines
divice tipe - other devices
manufacturer - unknown
location- on USB Mass Storage Device
status: The drivers for this device are not installed. (Code 28)
To find a driver for this device, click Update Driver.
I have done that -
"open device manager make sure show hidden devices is ticked and right click on all the USB hidden devices and unistall them. once done reboot and put in the flash drive again and see if windows finds it."
situation the same(((( Disk Management can't see the drive.
please if any one know the fix please help
Its very important info for me on the flash disk.

I'd ask them over here.
http://answers.microsoft.com/en-us/windows/forum/windows_8?tab=Threads
Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows]
Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

HT1339 hi i reset the settings on my ipod and when i connected it to my laptop its not recognized. It shows unknown device code error 43, and its not recognized when i connect to itunes.

Hi I went into settings on my ipod and reset it, when i connected it to my laptop afterwards itsays USB unrecognized unknown device, code error 43. Its also unrecognized in itunes. All my music is still on the ipod, How can I sync it itunes??

Try:
iTunes for Windows: iTunes cannot contact the iPhone, iPad, or iPod software update server
Also try change the DNS to Google's servers. See:
Public DNS — Google Developers

Fix for "Unknown Device" when the iPod is connected

After a few long nights, a few headaches, hours and hours of reading, thinking and many toasted sandwiches, I finally found the problem to my iPod not loading. Putting together information I had read here and at many other sites I had a brainwave... and sure enough it worked. I figure this may be helpful to many other iPod users, so... here I am posting my solution. Note though, this wont help all users, but I know I wasnt alone with this issue, and this just might help someone.
Ill list the issue I was having (this may help other people identify their issue to mine) was that the iPod failed to work on windows, and threw a fit when plugged in. Windows did too, iTunes would lock up and the iPod software failed to recognise that an iPod was connected. The iPod had worked on an older PCs before, but it failed to work on my new homebuilt PC. When I first connected the iPod it began to work, transferring and updating.. but then it unexpectedly disconnected the iPod.. and mentioned something to do with an I/O error, the iPod had to be disconnected and it also mentioned something to do with a timeout error and dataloss (or as it put it Data has been destroyed. Thats always a pleasant message to read). Suddenly, half the music on my iPod wouldn't play, it skipped songs until it found a song it would play... really annoying. I tried to format the iPod using the iPod software... buuut it told me that it wasnt an iPod that was connected (Funny that... lol). After the first iPod crash, it would react differently when connected. It would once again pop up with the Found new hardware bubble, Apple iPod..., Disk Drive... ... then iTunes loads... then iTunes freezes... then the iPod disconnects 2 mins later, then iTunes unfreezes. THEN the next time the iPod is connected, it would say it was an Unknown device, and that it has Malfunctioned.
It seems that, oddly enough, my iPod (I own the 30gig iPod Photo) does not like USB 2.0... Im thinking that it must not support some of the device commands the PC is sending to it... Weird though, because on other USB 2.0 PCs it worked fine. (I got the best results out of Dell PCs...). IF USB 2.0 is disabled and slows to USB 1.1 the iPod works a charm... jumped up without an issue in the world. To disable USB 2.0, jump into BIOS as your pc is in its POST stages... this being, when the PC is first turned on and presents a message such as Press DEL to enter setup (or something similar), do so. Then refer to your manual on how to disable USB 2.0, if possible. Apply the changes and reboot. Be sure not to mess around with other settings, it is very easy to mess up your computer if you change settings you are not familiar with.
Other solutions would be to run the iPod via Firewire... if you can get a cable. Run along to your local mac store and see if they have one in stock. Ill get back on here to post if using Firewire solved the issue later.
Perhaps a motherboard BIOS upgrade, or newer drivers could resolve the issue. This may explain to some people why their iPod stopped working overnight after working fine for so long, maybe an update of the sort was installed. Apparently my motherboard already has an update, so Ill test that sometime and post my results as I investigate further, but as for now Im just happy my iPod is working, even if it is taking ages to transfer (25 gigs of music takes awhile over USB 1.1 lol...).
Also, I might add that my motherboard is an ASUS P5P800 with the Intel 865PE chipset. It could be an interesting pattern seeing which motherboards do not seem to be compatible with the iPod at USB 2.0 speeds.
As long as this post was I hope that someone gets some use out of it. Ill post further findings as I investigate this matter further.
Happy iPodding!

hi Jazza!
the best explanation for this that i've seen is that there can be power drain problems in USB 2.0. drop below 500 mA running through the port and everything goes to pot. this may well explain why switching back to USB 1.1 sometimes works like a charm, and also explains why it's important to have the ipod plugged into a high powered USB port rather than a low power port.
i've seen a confirmed case of a USB connection going west after a scanner got plugged into the beast in question ... periodically i see other reports along these lines, too.
Roger Whiteley, "USB Device Not Recognized" #16, 04:18am Aug 3, 2005 CDT
love, b

Can't find driver for unknown device in device manager on T42

Had to reinstall Windows XP on a T42 (2372k3U). Got all drivers loaded but one. Says unknown device on Intel 82801DBM LPC Interface Controller (24cc). What the heck is this thing? I thought I loaded all available drivers. Help.

use this its (TVSU) system update http://support.lenovo.com/en_US/downloads/detail.page?&LegacyDocID=MIGR-66956 it will find the drivers for you then if you don't want to keep it you can uninstall it
Thinkpad R61 7733-1GU
Thinkpad X61T 7762-54U
Thinkpad X60T 6363-4GU
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HP Probook 4740s unknown device

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