Re: USB erratic after update a couple weeks ago

Paul Furman wrote:<!--coloro:blue--><span style="color:blue <!--/coloro-->
> Durn thing has a mind of its own. Whole groups of USB ports turn
> themselves on & off every 10 minutes now.
>
> This seems to be a possible explanation/fix:
>
> [ Re: USB stops working after recent Windows Update
> It is more of a hardware problem believe it or not. The thing is that
> some motherboards have internal watchdogs to make sure that USB ports
> are not overloaded since they consume on average 500 mA of current. This
> mechanism of kicking off some additional USB ports also involves the OS,
> or course. What perhaps happened was that after some updates the demand
> on the MB went up because of some additional work Vista needs to do now
> perhaps on a short term basis (like for a few minutes) and it just trips
> over the threshold.]
>
> What I did is... I had 2 USB hubs daisy chained in one port of the
> 'puter, so I plugged each individually into a port... at least some of
> the probs seem to have resolved. Of course I had it set up that way for
> a reason... some devices only worked plugged direct to the 'puter but
> who knows, maybe that's not a problem now? Er, yeah, still a problem but
> some more port switching seems to resolve partly. USB voodoo...<!--colorc--><!--/colorc-->

So, it's not solved... that was a partial workaround which lessened my
problems slightly. Anyone else experiencing these problems? Any more ideas?

--
Paul Furman



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