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  1. #1


    Member Since
    Oct 11, 2012
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    USB device drawing too much power
    Hi there, I've being having a window showing every 15 to 30 sec that says ( Because a USB device was drawing to much power, one or more of your devices were deactivated) I don't have any thing plug in to my USB ports. I have tried repairing permissions, repairing disk, reinstall software "mountain lion", and nothing seems to work. What should I try next?

  2. #2

    pigoo3's Avatar
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    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    Quote Originally Posted by yolas View Post
    I have tried repairing permissions, repairing disk, reinstall software "mountain lion", and nothing seems to work. What should I try next?
    Have you tried rebooting the computer?

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  3. #3


    Member Since
    Oct 11, 2012
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    Hi Nick, I have tried that too.

  4. #4

    pigoo3's Avatar
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    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    You could try using a program called "Onyx" (free):

    Titanium's Software • Download

    It's a maintenance program…which does some of the things you've already tried (repairing permissions)…as well as:

    - running maintenance scripts (same as Apple's maintenance scripts)
    - clearing out caches
    - removing cookies
    - etc.

    Just run Onyx's preset activities (a 1-button click)…and let it do it's thing. Hopefully this will fix things.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  5. #5


    Member Since
    Oct 11, 2012
    Posts
    8
    thanks Nick, I'll try that, can that program work on snow leopard?

  6. #6

    pigoo3's Avatar
    Member Since
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    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    Quote Originally Posted by yolas View Post
    thanks Nick, I'll try that, can that program work on snow leopard?
    You have to use this link for the Onyx version that works with SL:

    Titanium's Software • Download

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  7. #7


    Member Since
    Oct 11, 2012
    Posts
    8
    I ran the program and didn't work, any other suggestions?

  8. #8

    bobtomay's Avatar
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    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    Try a SMC reset - link.

    (added appropriate title)
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  9. #9


    Member Since
    Oct 11, 2012
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    So I tried SMC reset and didn't work. I just finish erasing the hard drive and installing everything again and that window just pop up again. what is the most drastic solution I can do to stop that?

  10. #10

    chscag's Avatar
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    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    Try resetting the PRAM. If that doesn't work, it may be a hardware problem.

  11. #11

    dtravis7's Avatar
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    Is not the Keyboard and the Trackpad part of the USB Bus? Maybe an issue with one of them going bad and drawing too much. Either that or the USB ports/Controller on the board.

  12. #12

    chscag's Avatar
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    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    That's what I'm thinking also Dennis. If the PRAM reset doesn't get the ports working again, it's likely something to do with a hardware failure. The controller like you said is suspect, especially when the bus has been overdrawn.

  13. #13


    Member Since
    Oct 11, 2012
    Posts
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    Well, I tried everything. I want to thank you all for your help, you guys are great and I learned a lost from you. Now its time to take it to have it check for hardware.

  14. #14


    Member Since
    Oct 11, 2012
    Posts
    8
    I ment to say I learned a lot from you guys.

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