USB not working

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USB not working

#1 3jaw

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Group: Members
Posts: 12
Joined: 03-May 09

Posted 07 March 2010 - 10:04 PM

Hello,

I hope someone can help me. Some of my usb ports have stopped working. I first noticed it yesterday when my computer wouldn't recognize my IPod. I tried turning off the computer, unplugging the power cord and removing the CMOS battery. This worked for about a day. Now the only usb accessories that work are my keyboard and my wireless mouse. I have a card reader and it won't recognize a memory card when it is plugged in. It also will not recognize a jump drive. I have tried unplugging these devices and plugging them back in with no luck. The Device Manager isn't showing a problem with any of these ports. The only error message I get is that the drive is not accessible and that "Access is denied". The computer is an Acer Veriton 6800 with XP Pro. Any help would be appreciated!

Thanks in advance,
Greg

#2 hamluis

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Posted 08 March 2010 - 12:48 PM

If you have already tried the uninstall/reinstall routine with the USB controllers (not hubs/devices)...then I would suggest a PCI USB 2.0 card.

General USB Problems in Windows XP - http://support.microsoft.com/kb/310575

Louis

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#3 3jaw

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Group: Members
Posts: 12
Joined: 03-May 09

Posted 17 March 2010 - 05:47 PM

Well, I tried the PCI to USB 2.0 card and no joy. My computer still won't recognize my IPod and I get the same error message. Any more suggestions?

Thanks,
Greg

This post has been edited by 3jaw: 17 March 2010 - 05:48 PM

#4 cryptodan

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Posted 20 March 2010 - 01:45 AM

Does it work on another computer?

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BleepingComputer.com: USB not working