You hit the nail on the head.  There was another network drive 
mapped as the same drive XP assigned, overriding the USB drive. 
Changing the mapping resolved the problem.

Mark Rode wrote:

> First Go into Administrative Tools>>Computer Management>> Disk Management
> Do you see your USB drive?  If not, and any other USB drive works OK on 
> that computer, then your PC BIOS may not like that particular Sandisk 
> BIOS. Check to see if there is a update for your BIOS.
> 
> If  you do see the drive, then what drive letter is assigned? Is that 
> drive letter being used somewhere else, a network drive  for example? If 
> so change the drive letter of the USB drive to a unused drive letter.
> 
> This is a Windows flaw. Windows will put a USB drive on the first 
> available local drive letter regardless of whether or not you are using 
> it for a network resource.
> 
> Rode
> The NOSPIN Group
> http://www.freepctech.com/rode/
> 
>> My sandisk usb flash drive does not show up as a drive in a Dell 
>> Optiplex GX280 w/ winXP pro.  The same flash drive shows up in 
>> numerous other Dell, IBM and HP computers, just 'plug and play'. Same 
>> drivers show up on all the computers, 2 entries in device manager - 
>> one under disk drives and one under storage volumes\generic volumes.  
>> Everything appears to be exactly the same, everything working 
>> properly, except it doesn't show up in windows explorer as a removable 
>> drive or anything else.   Doesn't matter which usb port I plug into, 
>> doesn't work.    Other than a mouse, none of the usb ports are being 
>> used.  Any ideas?
> 
> 
>                         PCBUILD's List Owners:
>                      Bob Wright<[log in to unmask]>
>                       Drew Dunn<[log in to unmask]>

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