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Laptop keeps shutting off,battery is not on electric cord is connecting.. cord has a slight buzzing from the square is this normal..and i cannot use my usb ports

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First...shutting down issue. try to replace your power supply. you seem to have a faulty adapter and has not given the right power to your laptop, or loosing power at a longer period. the buzzing sound is not normal, stop using it.

when you're done with the shutting down, we tackle the issue with the USB ports, later

Posted on Apr 10, 2008

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"Buzzing" from the brick generally means the fields are breaking down. This could also cause a problem to the main board.

Sometimes Radio Shack has the IGO Universal on sale, I paid $28.95 for mine with 8 different tips.

As far as the USB, the northbridge chipset should be updated, google the north bridge after installation and running

Also if the USB's bus is not operating, check the pcmcia card bus, if you install a wireless card or cardbus usb adapter and it hangs you have a motherboard chip issue.

Posted on Apr 10, 2008

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