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Problem using flash drives on USB ports

Posted on 2011-05-12
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Last Modified: 2012-05-11
I'm having trouble getting my Dell Optiplex GX280 to recognize USB flash drives, even though it did work on one time.  Not sure what changed.  The USB ports recognize when I plug in a flash drive, but I get an error, see attachments.  The USB ports work fine for other devices, printers, etc.  I tried plugging in a powered USB hub, then plugging the flash drive into that, but no change.  See attached documents.  Tried multiple flash drives, same resuilt.
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Question by:easybill
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by:theras2000
ID: 35746710
Attachments?
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by:easybill
ID: 35746738
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by:easybill
ID: 35746743
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by:easybill
ID: 35746747
PC is running Windows XP Pro.
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Author Comment

by:easybill
ID: 35746929
Not sure how those links will help me?  Linux?  Windows 7?  Should I download thd driver set from Dell for this Optiplex and reinstall the chipset drivers, etc.?
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Expert Comment

by:dbrunton
ID: 35763318
The first link talks about disabling ACPI.  There may be an option for that in the BIOS.  Or try disabling Power Mangement in the Control Panel.
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Author Comment

by:easybill
ID: 35863354
Power management was already disabled, at least through Control Panel.  Couldn't find anything about ACPI in the BIOS.  I downloaded the latest BIOS and Chipset files from support.dell.com and installed them, but no change.  Ugh
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Accepted Solution

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easybill earned 0 total points
ID: 35879071
I narrowed it down to a new HP color laser printer that was recently installed on that machine.  If I unplug the laser printer (USB), the flash drive(s) work fine.  If the laser printer is plugged in, I get the unknown device error on the flash drive(s).  At least there's a workaround. Any suggestions on that before I close this question?  
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Expert Comment

by:dbrunton
ID: 35882563
Interesting.

You've solved it yourself so you can close it as being solved by yourself.
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Author Closing Comment

by:easybill
ID: 35913640
I stumbled upon the solution myself by unplugging other USB devices until I discovered the printer was the issue.  Not a permanent fix but will work for now.
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