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    USB port randomly shuts down

    Discussion in 'Alienware 14 and M14x' started by DoomMunky, Oct 14, 2012.

  1. DoomMunky

    DoomMunky Notebook Enthusiast

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    Hey guys, I've got an m14x R1 that's run perfectly for a year, but just tonight it started randomly shutting down the usb port on my mouse.

    My wireless mouse will stop working, and then I'll hear the 'usb disconnected' system sound a couple seconds later. I tried plugging the wireless receiver into a different USB port but, when it's in this strange 'shutdown' state, it won't be recognized. A system restart clears it up for a bit, and occasionally it resumes normal operation on its own, complete with 'usb connected' sound. Any thoughts?

    My mouse has plenty of batteries, btw. :)
     
    DoomMunky, Oct 14, 2012
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  2. iPhantomhives

    iPhantomhives Click the image to change your avatar.

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    I think there is option in Bios , USB powershare . try enable it.
     
    iPhantomhives, Oct 14, 2012
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  3. DoomMunky

    DoomMunky Notebook Enthusiast

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    That didn't seem to help, unfortunately.

    I've noticed it seems to happen while gaming. So it's probably a heat issue (and may mean my mobo is getting fried). I'm gonna take off the back and do a dust clean and see if it helps. Wish me luck. :)
     
    DoomMunky, Oct 15, 2012
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  4. Alienware-L_Porras

    Alienware-L_Porras Company Representative

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    It could also be power settings on the machine try changing it to high performance. Also try the 2.0 USB's cuz the 3.0 ones are not very good for carrying power.
     
    Alienware-L_Porras, Oct 16, 2012
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  5. Idarzoid

    Idarzoid Guest

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    Disable the power management functions in USB 3 utility software.

    It fixed the similar issue I was getting on my M11x R3, it might help.
     
    Idarzoid, Oct 16, 2012
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  6. DoomMunky

    DoomMunky Notebook Enthusiast

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    Idarzoid, what's that software?

    Also, plugging the mouse receiver into the USB port with the lightning bolt doesn't even register. No noise, no nothing. It only works on the 'SS' USB ports.

    I'm gonna go play Torchlight 2 and see if I can repeat the problem... :)

    EDIT: Yep, just happened again. I've got CPUID temp monitor running and none of the cores got over 88*C, so I don't think it's a heat issue. My wireless mouse receiver is currently plugged into my 'SS' USB port, which doesn't seem to know it's plugged in.
     
    DoomMunky, Oct 16, 2012
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  7. DoomMunky

    DoomMunky Notebook Enthusiast

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    Shoot. Disregard...everything.

    It happened again 3 times and each time I was able to plug my phone into the same USB port and it was instantly recognized. Must be some problem with the mouse's wireless receiver. I tried it with new batteries and it still wasn't recognized. Time to call Logitech. :(

    But: Nothing is wrong with my laptop! Yay!
     
    DoomMunky, Oct 16, 2012
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  8. Alienware-L_Porras

    Alienware-L_Porras Company Representative

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    that's awesome! at least you got to isolate the problem :) :cool:
     
    Alienware-L_Porras, Oct 16, 2012
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