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| Re: USB erratic after update a couple weeks ago Paul Furman wrote:[color=blue] > 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: > [url]http://forums.techarena.in/vista-help/921053.htm[/url] > [ 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...[/color] 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 [url]www.edgehill.net[/url] [url]www.baynatives.com[/url] all google groups messages filtered due to spam |
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