Why won't computer recognize usb device?

Computer dosn't recognize any USB device even keyboard!!?

  • hi! i am using sony vaio r505 laptop and whenever i attach any USB device it shows message "One of USB devices attached to your computer are malfunctioned, and windows ...show more

  • Answer:

    There should be some problem in your usb port. Do you have only one USB port? If more than one the others are working or not? Check for it first.

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Other answers

This is may u hardware drivers problem and check u BIOS is ok.

Chamara M

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