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I have 3Q HDD External, and my usb can not see it everytime, every 5 minutes i can see it everytime...

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Hallo there, sounds like your usb bus does not have either the needed power to handle the external device and capacitors which provide could be defective, which means they are loading up and then unloading which brings a usb stop up. otherwise check your system configuration for your usb port. power usage can be defined per port on either nix systems as also on M$'s;
other option is the power supply is of cheap make and the hardware inside cant handle the power needs.
1st: check usb port power definitions,
2nd: try other port
3rd: try other power supply

P.S. sounds maybe stupid but have you tried other usb port? some of the ports provide extra power as for un-powered hdd's.
Look in the manual of your handbook as for how much power is supplied by the divers ports.
greetz
Ganimidis

Posted on Mar 30, 2011

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first off why run XP the Virus magnet?,Microsoft and hp dropped
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you are direct connected. to USB to external HDD.
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I solve that horror by only buying external HDD what have wall power pack connected, mine is 12vdc 2amps, and will work on any PC made , ANY !
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here is the USB spec from WIKI page "USB" 0.5amps is gutless.
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yours is the first one, the weakest they made.
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