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no USB power

Discussion in 'Hardware' started by Rob63, Jan 17, 2013.

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  1. Rob63

    Rob63 Thread Starter

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    Tech Support Guy System Info Utility version 1.0.0.2
    OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
    Processor: Pentium(R) Dual-Core CPU E5400 @ 2.70GHz, Intel64 Family 6 Model 23 Stepping 10
    Processor Count: 2
    RAM: 4060 Mb
    Graphics Card: Intel(R) G41 Express Chipset, 1806 Mb
    Hard Drives: C: Total - 461899 MB, Free - 321326 MB;
    Motherboard: Dell Inc., 0J190T
    Antivirus: AVG Anti-Virus Free Edition 2013, Updated and Enabled

    My computer has been operating for the last 12 months with no apparent problems. Now however all my USB ports have lost power, they operate a printer, mouse, keyboard but will not recognise my storage devices. I have tried a restore, update of windows drivers,
    Can any body help?
     
  2. dai

    dai

    Joined:
    Mar 6, 2003
    Messages:
    11,198
    run dell diagnostics

    check usb is enabled in the bios

    try a usb reset

    in the device manager click on view at the top and in the dropdown
    show hidden devices
    then uninstall all listed usb items
    turn the computer off
    unplug usb plugs
    reboot twice
    replug in the usb plugs
     
  3. Rob63

    Rob63 Thread Starter

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    Hi Dai
    Thanks for the very speedy reply.
    I have run 'MY Dell PC Checkup' Default scan, all items "passed"
    I am not sure where in bios to check for usb enabled, Under bios POWER I have usb wakeup from S3 enabled
    Under bois BOOT usb drives 1st drive "not installed'
    When U refer to "uninstall all listed usb items" does this refer to Universal Serial Bus controllers ie. Intel universal Host Controller, 27CA,Cb,C8,C9,CC and also USB Root Hub
    Also Human interface Devices, USB Input Device
    My mouse is a USB device do I leave it plugged in or disconnect the power supply for the second reboot?
     
  4. dai

    dai

    Joined:
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    all items listed under usb devices all plugged in items

    not this

    Human interface Devices, USB Input Device
     
  5. Rob63

    Rob63 Thread Starter

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    dai
    help i have lost the use my mouse any suggestions
     
  6. Rob63

    Rob63 Thread Starter

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    dai
    Yes all up and running again. Thanks a lot
    Rob
     
  7. dai

    dai

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    glad you have it sorted
     
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