Powersurge in hub port

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zing21

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Jan 6, 2007
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So I have a computer that just started getting error messages talking about a power surge in a hub port. When this happens the computer freezes up, sometimes for up to 10 minutes and the computer gives a continuous low pitched beep. If I can manage to click on the error message before it goes away after the computer becomes responsive again a window comes up listing all the usb ports and claiming that there is an unknown usb device that is causing the power surge. I've tried clicking on the option to close down the port but it has no effect. I've unplugged all usb devices but it still happens, and it happens often, so much that the computer is unusable. Often the sticky keys prompt will also come up after the power surge is over although no keys were ever pressed.

At first I considered a failing power supply, but I'm not so sure. Just now the computer was started and went straight to the welcome screen without loading anything. No screen to access the bios or run in safe mode. Just straight to the welcome screen. I'm not really sure what to do as I don't want to purchase a new computer. Please help.
 
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