I'm running XP Home on a Dell Dimension 2400. Recently the two USB ports on the front of the box have stopped accepting anything i plug into them - Windows says its an unknown device.
The four ports on the back of the box continue to work well, and any device that fails on the front ports works perferctly on the rear ones!!
evice Manager claims it can't find a better driver anywhere; I've disabled / re-enabled; unistalled / reinstalled. Nothing seems to help.