What did Service Pack 2 do to USB 2 Support?

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Anything? Because I have just resolved a problem on a system that never had a problem with USB devices by fitting a Belkin powered hub.

Something similar happened on another machine that brought up a *USB Root Surge* a day after SP2 was installed. None of the hardware changed and I tried everything I could find on MS about it. In the end, a Belkin Hub put it to rest.

This machine is up to date with patches, is running the latest BIOS firmware and shows no issues in Device manager yet doesn't like anything plugged in the back of the board.

I have followed the advice from MS here.

Anyone else had this?

Si

 

Could possibly be a power supply issue, and adding the powered hub took the strain off the PSU

 

The suggestions you both made are possibilities but it has cropped up on three seperate machines - all that were working perfectly until SP2.

It is exactly as the MS article describes - it seems to *Roll back* your USB root drivers. Although most of the mobo manufacturers supply drivers for literally everything, for the latest victim, it doesn't. I assume because even the earliest flavour of XP has these originally.

After some serious Googling I came across some other people who said it had happened to their machines too.

Luckily it hasn't affected my laptop or desktop, but I would love to find an answer and if I do will post back.

For now, the powered hubs are doing the job nicely.

Si