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    USB devices doesn'r work after its unpluged then pluged back in

    Discussion in 'Dell' started by nizzy1115, Sep 21, 2007.

  1. nizzy1115

    nizzy1115 Notebook Prophet

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    I use a USB hub to connect all my devices through 1 usb port. I have a usb hard drive, usb sound card, mouse/keyboard, and a printer in it. anyways, when i unplug my laptop from them say to go wireless for a while, when i return to my desk and plug them back in, they arent recognized. vista does nothing. they wont work until i restart the pc, then they work fine. I have removed the usb controllers and reinstalled them and that didnt work. any suggestions?
     
  2. Crimsonman

    Crimsonman Ex NBR member :cry:

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    it happens to me too, i dont know why either.
     
  3. skree358

    skree358 Notebook Consultant

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    http://support.microsoft.com/kb/930312

    Try making the necessary changes under power options.

    Then, go to the device manager, right click USB controllers, go to properties, power management, and uncheck "Allow computer to turn off device to save power"
     
  4. nizzy1115

    nizzy1115 Notebook Prophet

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    thanks, i tried that but it was a no go.
     
  5. Qgambit

    Qgambit Newbie

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    I have the same problem as well
     
  6. nizzy1115

    nizzy1115 Notebook Prophet

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    ok i just realized this goes for vga out as well...wtf vista!

    btw im only using drivers supplied from dells website. i had this problem before, and did a fresh reinstall last night and still having the problem.
     
  7. SJSMR2

    SJSMR2 Notebook Guru

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    This also happens to me. I just unplug the hub and plug that back in. Then all is well again. But this is with XP
     
  8. nizzy1115

    nizzy1115 Notebook Prophet

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    that doesnt work for me. i can plug and unplug as many times as i want in every usb port. this is frustrating....
     
  9. SJSMR2

    SJSMR2 Notebook Guru

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    I guess it is just one more fault on Vista's list.
     
  10. nizzy1115

    nizzy1115 Notebook Prophet

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    bump bump. anyone have any idea?
     
  11. portable pest

    portable pest Notebook Consultant

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    yeah, same problem with me on xp. btw have you got sm bus controller drivers. i dont have them.
     
  12. nizzy1115

    nizzy1115 Notebook Prophet

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    Since it happens on xp also, this must not be a vista only problem. that actually helps a lot. I wonder if its the chipset drivers.
     
  13. nizzy1115

    nizzy1115 Notebook Prophet

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    bump in hopes of a fix.
     
  14. nizzy1115

    nizzy1115 Notebook Prophet

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    I FOUND THE PROBLEM AND FIX!

    just install dell quickset...thats it.