OK, this is totally off-topic, but y'all are smart:
>
>I have a Dell Dimension 8300, with XP-Pro installed. I've had it for four
>years, and since day 1 it's not been able to read USB drives. Not thumb
>drives, not digital cameras that are mapped as USB drives, nothing. These
>are all devices that work fine on various other Windows and Linux boxes in
>my house.
>
>When I plug a thumb drive into the thing, the only indication that it's
>there is that waaaay down in device manager, an "Unknown Device" shows up
>in the USB tree.
>
>Every other USB thing I've tried in the box has worked perfectly.
>
>Anybody got any clues for me?
>
>Thanks.
Obvious question: Have you updated all the drivers and BIOS? It sounds like all "mass storage" devices are not working.
Best regards, Spehro Pefhany