How to fix "Unknown Device"?

this showed up on my phone today and the phone is no longer working!!
Can anyone help me with this?

when I enter my password, thats what comes up on the screen and it doesnt let me do anything else. I tried to restore it through my itune, it keep running into an error and no matter what I did now its completely out of service. I've had so many problem this year with my phone and pretty much ready to say goodby to Apple...I've been a great fan of their product but very very disappointed recently and probably soon to switch to something else. Very frustrated with them.

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How to fix Unknown device in windows 7

Hi
I have just install windws 7 pro on HP Envy dv6-7200SA Notebook PC
When I open Unknown device Properties, I see following in details
For
Other devices
       - Unknown device
           ACPI\HPQ0004
                *HPQ0004
How do I fix it.
Please can you help me.
thanks
Ish
This question was solved.
View Solution.

Hi,
The hardware id is for HP 3D DriveGuard - the driver you require is on the following link,
http://ftp.hp.com/pub/softpaq/sp64001-64500/sp64144.exe
When the installation has completed, restart the notebook.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

How to fixs unknown error 1611

how to fixs unknown error 1611

Error 1611
This error typically occur when security software interferes with the restore and update process. FollowTroubleshooting security software issues to resolve this issue. In rare cases, this error may be a hardware issue. If the errors persist on another computer, the device may need service.
The "device may need service" means a hardware problem. In that case make an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar

How to fix unknown error has occrued

I have a Mac book pro 15, and my question is back in feb of this year i had a coffee spill and turned computer side ways for 3 days straight. when i turned it on it worked, about a few days later o got a update for itunes then soon after that my mac app store will not let me sign in each time i do it says a unknown error has occured it also happens to i cloud facetime and i cal is there some sort of way i can fix this like i said my macbook is working find expect for these features. i have ox s 10.7 need to update apps and cannot untill i get this fixed someone please tell me what to do to fix my mac app store i have shut down and rebooted and that did not work took away ethernet card still did not work. need steps on what to do.

Yeah but all fetures are working i can sign into itunes on my mac using the same address and password but not for app store i cloud face time etc could there be somthing disabled other than ethernet

Satellite A200-1PD - how to identify unknown device?

Which is the Windows XP driver for this device :
HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100& REV_1000\5&181BB7A3&0&0001
Thanks,

I do not know for sure but it must be something with sound. If you have problem to get sound working under WXP please check http://forums.computers.toshiba-europe.com/forums/thread.jspa?forumID=59&threadID=25916

My iPad 2 charger is not working when plugged to a wall..but when plugged to a computer...it says unknown device...what's happening and how do I fix this problem?!

My iPad 2 charger is not working when plugged to a wall..but when plugged to a computer...it says unknown device...what's happening and how do I fix this problem?!

Have you recharge your iPod for at least 2 hours, preferably till the Full charge Battery symbol comes ON.?
See this Apple support Article
http://www.apple.com/support/ipod/five_rs/classic/
You did not by chance bought the Hello Kitty special edition?
Have nice day!

My computer wont recognize my iphone 4. when i plug it into any computer it doesnt charge. i followed the procedure on the website but the device manager still says unknown device. any ideas how to fix this???

My computer wont recognize my iphone 4. when i plug it into any computer it doesnt charge. i followed the procedure on the website but the device manager still says unknown device. any ideas how to fix this??? the weird thing is it use to work until yesterday. thanks

Will it charge when connected to a wall outlet? The USB port on your computer must be 2.0
Powering Apple and third party peripherals through USB

My iphone 4 will not connect to my windows xp it shows it as an unknown device how do i fix it?

my iphone 4 will not connect to my windows xp it shows it as an unknown device how do i fix it? when i plug it in to charge on a wall outlet it works fine, its just does the opposite when i try to connect it to computer.

Hi there,
I would recommend taking a look at the troubleshooting steps found in the article below.
iPod not recognized in 'My Computer' and in iTunes for Windows
http://support.apple.com/kb/ts1369
-Griff W.

HOW TO FIX HD AUDIO/UNKNOWN DEVICE/DEVICE WON'T START LENOVO H320 Win 7 64-bit

Fix for - HD Audio devices won't start or you can't load correct driver. Lenovo H320 - Win 7 64-bit I-3 processor. 5 series/3400 chipset
Here is a working procedure to fix the problem when you install windows 7 64-bit and can't get the correct drivers installed for the HD Audio devices 1)Realtek AC97 HD Audio device id = HDAUDIO\FUNC_01&VEN_10EC&DEV_0662&SUBSYS_17AA3604&REV_1001
and 2)Intel HD Audio device id = HDAUDIO\FUNC_01&VEN_8086&DEV_2804&SUBSYS_80860101&REV_1000 Regards >>> Sucromatic
For an IBM LENOVO 320 with Windows 7 64-bit Home Premium Version download these drivers to a directory in a second partition to prevent this nightmare from happenning in the future.
1)AC 97 high def audio version
Realtek HDA 2.67found on http://wikidrivers.com/wiki/Main_Page or at www.realtek.comon right of screen on homepage and
2) Intel HD GRAPHIC and HD Audio version
Intel GMA 15.22.52.2559 (Vista/7) 14.46.8.5387 (XP)
found on
http://wikidrivers.com/wiki/Main_Page.
Select your OS and and whether 32 or 64 bit. I recommend the .exe version as it works very smoothly. Uninstall HD AUDIO DEVICE or whatever it is called maybe "unknown device" with ac97 device ID "HDAUDIO\FUNC_01&VEN_10EC&DEV_0662&SUBSYS_17AA3604&REV_1001." Afterwards install AC 97 HD Audio Driver.
After install reboot and wait till computer completely starts.
Now uninstall Intel HD Graphics or your graphics device. When you get the uninstall box open, select delete the driver software for this device and then OK. When prompted to reboot select NO and Immediately start the install of the Intel GMA driver. Which installs both the Graphics Adapter and the Intel HD Audio. Reboot when finished and all HD Audio devices will be functional (hopefully). You will now have these versions installed. As shown in device manager/device properties/Driver tab
Now uninstall Realtek AC97 driver you first installed to delete annoying Red Lexmark/realtek icon in Notification area (If your computer shows it after reboot) and windows driver update will install a microsoft driver (shown below)that works without the stupid lexmark red icon. See below. You will now have these versions installed. As shown in device manager/device properties/Driver tab
High Definition Audio Device
Driver Provider: Microsoft
Driver Date: 11/19/2010
Driver Version: 6.1.7601.17514
Digital Signer: Microsoft Windows
IntelR) HD Graphics
Driver Provider: Intel Corporation
Driver Date: 1/10/2012
Driver Version: 8.15.10.2622
Digital Signer: Microsoft Windows Hardware Compatibility Publisher
Intel (R) Display Audio
Driver Provider: Intel(R) Corporation
Driver Date: 8/23/2011
Driver Version: 6.14.0.3086
Digital Signer: Microsoft Windows Hardware Compatibility Publisher
Voila. Now go to intel and run a driver update scan and it will likely correctly identify your Intel pieces and offer downloads for any that are not current. Good Luck!

it is a user to user forum without any intervention from apple information-wise.I think this question appears and being discussed in another thread
http://discussions.apple.com/thread.jspa?threadID=2411685&tstart=0

I can't sync my iPad to the iTunes it's give me an unknown error message 0xe8000012 I don't know how to fix it and where is the problem could be need format or the problem is in the charging port please can any one help me

I can't sync my iPad to the iTunes it's give me an unknown error message 0xe8000012 I don't know how to fix it and where is the problem could be need format or the problem is in the charging port please can any one help me

Unknown Error containing "0xE" when restoring
To resolve this issue, follow the steps in iPhone, iPad, iPod touch: Unknown error containing '0xE' when connecting. If you have a Windows computer with an Intel® 5 series/3400 series chipset, you may need updates for your chipset drivers. See iTunes for Windows: Issues syncing iOS devices with P55 and related Intel Chipsets for more information.
From Here > http://support.apple.com/kb/TS3694

Do anybody know how to fix an unknown error

Do anyone know how to fix an unknown error #1439 on ipod classc?
Why the option import cd is gone now if you Itunes 10.5?

Hello there, please verify that you are using the latest version of iTunes.
Try these steps
Step 1. Connect a Ethernet cable to your macbook no wifi.
Step 2. Open iTunes
Step 3.Plug in your iPhone to your macbook
Step 4. Put the device into DFU mode.
DFU MODE STEPS
Hold the Power Button (3 secs)
Continue holding the power button and also hold the home button (15 secs)
Release the power button while continuing to hold the home button (10 secs)
You Should have black screen with nothing on the screen if done correctly.
Step 5: iTunes will either prompt to restore and update click restore and update
Just sit back and wait until you see the setup screen on your iphone if you still see error 53 is a hardware problem and needs to be replace by Apple.

How fix unknown error 3 itunes? please help

how fix unknown error 3 itunes? please help

This worked for me yesterday.
Earlier iTunes (and supporting applications) need to be completely uninstalled before you can install the new version. Here's the complete Apple info on this: http://support.apple.com/kb/HT1923
Mobile device application will most likely fail to uninstall, so you would need to visit its location(s) and manually delete the files then folder(s). The location of the folders is documented in this link from Apple.

My iphone 5c get an unknown error(1).how to fix it?

my iphone 5c get an unknown error(1).how to fix it?

See this support document regarding update errors, Get help with iOS update and restore errors - Apple Support however, generally an error 1 is a hardware error, and you may have to make an appointment at the Genius Bar of the nearest Apple Store or Authorized Apple Service provider.
Check for hardware issues
Related errors: 1, 3, 11, 12, 13, 14, 16, 20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 1002, 1004, 1011, 1012, 1014, 1667, or 1669.
These errors mean that your device or computer might have a hardware issue that stops the update or restore from completing.
Check that your security software and settings aren't blocking your device from communicating with the Apple update server.
Then try to restore your iOS device two more times while connected with a cable, computer, and network you know are good.
Make sure that your security software and settings are allowing communication between your device and update servers.
If you still see the error message when you update or restore, contact Apple support.

Can anyone help me with Magicjack? after I purchased US number I am unable to log in on my Iphone, I keep getting an error "YOUR DEVICE IS NOT ON THIS ACCOUNT" I contacted MJ support but they are very much useless and dont know how to fix it!

can anyone help me with Magicjack? after I purchased US number I am unable to log in on my Iphone, I keep getting an error "YOUR DEVICE IS NOT ON THIS ACCOUNT" I contacted MJ support but they are very much useless and dont know how to fix it!

There's a whole lot to read in your post, and frankly I have not read it all.
Having said that, this troubleshooting guide should help:
http://support.apple.com/kb/TS1538
In particular, pay attention to the mobile device support sections near the bottom, assuming you have already done the items above it.

My iPhone 4 no longer connects to my car or alarm clock after a recent sync to my computer. The message at I get when trying to. Connect is "this accessory is not optimized for the device" or something like that. Anyone know how to fix this?

My iPhone 4 no longer connects to my car or alarm clock after a recent sync to my computer. The message at I get when trying to. Connect is "this accessory is not optimized for the device" or something like that. Anyone know how to fix this?

Hello there philp_69,
If I understand correctly it sounds like your phone hasnt been recognized in iTunes on your PC since the last couple of updates. I would use the troubleshooting in the following article which will walk you through the steps one by one.
iPhone, iPad, or iPod touch not recognized in iTunes for Windows
Thank you for using Apple Support Communities.
All the very best,
Sterling

How to fix "Unknown Device"?

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