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Hello,

Is there some sort of diagnostic tool that I can download to try to

understand what is going on with my USB ports?

I now only have one USB port (out of nine) working. Ports just fail and then

re-appear at random. Some devices work on a failed port, others don't.

I have tried going into device manager to uninstall hub drivers etc, but

there seems absolutely no logic in the way device mananger is laid out - eg

"generic hub" appears ten times and it is impossible to understand what is

attached to what.

I have installed all the USB "fixes" from the Microsoft website already.