"Universal Serial Bus (USB) Controller" Unknown in Device Manager Win7


  1. BestDay
    Posts : 3
    Windows 7 Ultimate SP1 x64
       New #1

    "Universal Serial Bus (USB) Controller" Unknown in Device Manager Win7


    Hi Friends
    in my win7 i have this unknown device


    i have another windows 8.1 and there is no unknown device. this means It's only in windows7.

    please help me to solve it. because i think this problem bring some error in HDMI.
    when i use Laptop I haven't any Lag, but after connect with HDMI to TV, Lags appear.even in Game & Movies.
    & ONLY in windows 7. no in windows 8.1.

    thanks
      My Computer
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  3. BestDay
    Posts : 3
    Windows 7 Ultimate SP1 x64
    Thread Starter
       New #2

    Friends i solved it. it was USB 3 bug. i again install usb 3 driver , restart windows , and ok all.

    anyone know about my problem HDMI & Lags?

    thanks
      My Computer
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