System says device not recognize to all USB device on Vista

By Samtech
Feb 9, 2011
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  1. Please i need help,some weeks ago,i posted that my system toshiba A135 is having a freezing problem anytime i insert a usb device.i was using windows xp professional then.now i have changed to windows vista that is the orginal O.S that came with my toshiba.whenever i plug a device it doesnt hang but it says usb device not recognize ,unable to install device driver etc.pls i need some tech advice
  2. LookinAround

    LookinAround TechSpot Chancellor Posts: 8,361   +167

    Try this:
    > Shudown computer
    > Unplug computer power cord. If a laptop remove battery too
    > Unplug all USB and other non-essential devices

    Let is sit overnight

    Now plug in, power up computer in the morning. When you reconnect your USB devices, if they have their own AC adapter
    > USB device should be turned off
    > plug USB device into AC plug
    > plug device into USB port
    > now turn USB device ON

    is it recognized?


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