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Old 2013-02-10, 17:44
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SteveDiverse SteveDiverse is offline
 
Join Date: Nov 2003
Posts: 3,613
open device manager (somewhere in control panel, depends on your OS and which view mode you have set).

click on Universal Serial Bus controllers

right-click on the root hub(s) and select properties

select the power management tab and make sure there's nothing set that could stop power - usually means uncheck all boxes

then goto Power Options (somewhere in control panel) and set the option for highest performance - especially if you are running laptop using battery.

laptops vary, and have all sorts of power management things built in to help save/extend battery power, it's possible yours is cutting power to usb ports so you can run longer without plugging in.

you can also try updating the usb device drivers...right-click on root hub and select update drivers.
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Last edited by SteveDiverse; 2013-02-10 at 17:49.