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USB ports conduct power but do not let attachment (eg mouse) work.

My Toshiba SK9 laptop's USB ports do not let me connect any peripheral (eg wired mouse) but it does transmit power to the mouse. What could be the problem, and how can I fix it? Vasant

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Since you know you have power and I am assuming none of the USB connectors pins are broken or shorted then what is happening is that another driver is stepping on the USB driver. Check Device Manager for erros. If none then at the run prompt type SFC/scannow. Have your original operating system disk ready because if it finds problems it will need to install the corrections. The original disk IS NOT the recovery disk (this won't work). If this does not correct the problem the operating system needs to be repaired. Email me for further info.

Posted on May 30, 2009

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If the terminals at the end are OK the device will get power (5V). Then the computer can detect something was attached. But if one of the middle terminals are damaged, your computer cannot recognize the device.
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