Anthony Acock
Level 1 (106 points)

Q: the USB device drawing too much power has been disabled.

Hello,

 

I keep getting this error.

 

" To prevent damaging your computer, the USB device drawing too much power has been disabled. Other devices may have also been disabled. When you disconnect the device drawing too much power, your other USB devices will be enabled again."

 

I'm using a macbook pro, which is about a year old. the only thing i have plugged into a usb port is a keyboard. the mouse i am using is a mighy mouse. both keyboard and mouse work fine. just keep getting this obnoxious popup.

 

any idea how to resolve this?

MacBook Pro, Mac OS X (10.7.2)

Posted on Feb 15, 2012 2:58 PM

by rogerh2,Solvedanswer
rogerh2 rogerh2
Level 1 (10 points)
A:

It even happens on Hackintoshes (suggesting it's a software problem):

 

http://www.tonymacx86.com/general-help/78759-usb-device-drawing-too-much-power.h tml

 

I've had it on two different Mac Minis, even with no USB devices attached. Turning off and unplugging for a few minutes before re-starting sometimes fixes it but there's no common cause. Hasn't happened to me for a few months, though.

Posted on Jun 19, 2013 9:46 AM

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Anthony Acock

Q: the USB device drawing too much power has been disabled.

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  • by sgtpetter,

    sgtpetter sgtpetter Jan 23, 2014 10:59 AM in response to Anthony Acock
    Level 1 (0 points)
    Jan 23, 2014 10:59 AM in response to Anthony Acock

    Replace the cable with a new one. It worked for me.

  • by Patrickjfromns,

    Patrickjfromns Patrickjfromns Mar 2, 2014 3:00 PM in response to Csound1
    Level 1 (0 points)
    Mar 2, 2014 3:00 PM in response to Csound1

    So have I .

    This is occurring regularly on my 27" Mac. It doesn"t SEEM to be causing a problem, and I just switch it off. But the only thing I have plugged in is a USB keyboard.

    I did have a hub, and an external hard drive but have removed these. Still getting the message.

    I have switched off and disconnected from the socket etc. Still there.

    Even when U had itenms plugged in, they all seemed to work OK.

    I shall try getting a new cord to  sync my i pad and i phone.

  • by Chad Kim,

    Chad Kim Chad Kim Mar 13, 2014 9:17 PM in response to Timothy Elliott1
    Level 1 (0 points)
    Mar 13, 2014 9:17 PM in response to Timothy Elliott1

    It was a loose connection!!! Thanks!!!

  • by Patrickjfromns,

    Patrickjfromns Patrickjfromns Mar 14, 2014 1:37 AM in response to Chad Kim
    Level 1 (0 points)
    Mar 14, 2014 1:37 AM in response to Chad Kim

    Acting on advice from another Communty, I did a "Safe" boot. I then did a restart. IT SEEMS TO HAVE WORKED. The problem has not recurred in the last month, and I have reconnected my external hard disc.

  • by KLiKzg,

    KLiKzg KLiKzg Mar 26, 2014 6:12 AM in response to Patrickjfromns
    Level 1 (0 points)
    Mar 26, 2014 6:12 AM in response to Patrickjfromns

    Yesterday on my PC on work (that I "Don't trust" on iPhone4) didn't want to charge my phone...same error as the rest of you...

    Today, everything works!

    A PC at work is a new, 4core i5 CPU, 8GB of RAM, 128GB SSD with USB2.1 & 3.0 working on Win7 SP1...what do say about that? Electricity? :/

  • by Courcoul,

    Courcoul Mar 26, 2014 8:15 AM in response to KLiKzg
    Level 6 (14,193 points)
    Mar 26, 2014 8:15 AM in response to KLiKzg

    Ok, let's retake this longlasting thread...

     

    At work I am provided with a Dell Vostro model GodKnowsWhat desktop. Up front, discreetly hidden with a natty sliding lid you have a universal card reader, audio in and out via standard RCA jacks and six (6) USB ports. Great! Goody goody!! I'll be able to charge and use all my gadgets all at once!!!

     

    WRONG.

     

    Only the leftmost port will deign to charge (@500mA) any device. The rest are data only. Regardless of whatever is running in the box, Linux or Windoze.

     

    So, I have glued a six outlet power strip on top of the Dell's case and have a spare iPad power brick in the drawer.

  • by lamaslamas,

    lamaslamas lamaslamas Apr 1, 2014 4:01 PM in response to Anthony Acock
    Level 1 (5 points)
    Apr 1, 2014 4:01 PM in response to Anthony Acock

    It happens on my hackintosh with mavericks  too.

    Oddly, the only way I got to fix that is to turn off the Mac, switch the main power button to Off, unplug the power cable, and then plug it in again, switch on,  and restart.

     

    The usb pop up message will disappear.

     

    Maybe with an iMac you could simply shut down and unplug the power cable.

     

     

    hope this helps

  • by kyle197,

    kyle197 kyle197 May 7, 2014 2:55 PM in response to Anthony Acock
    Level 1 (0 points)
    May 7, 2014 2:55 PM in response to Anthony Acock

    Thank you, this solved my question as well!

  • by Brock..,

    Brock.. Brock.. Jun 14, 2014 9:20 PM in response to Anthony Acock
    Level 1 (0 points)
    Jun 14, 2014 9:20 PM in response to Anthony Acock

    I also had this issue, just turned out to be a bad cord.

  • by Patrickjfromns,

    Patrickjfromns Patrickjfromns Jun 15, 2014 4:36 AM in response to lamaslamas
    Level 1 (0 points)
    Jun 15, 2014 4:36 AM in response to lamaslamas

    I had to add in doing a "safe" boot, and restarting, as well as removing the power cable for at least 5 minutes.

  • by sr185202,

    sr185202 sr185202 Aug 15, 2014 9:04 PM in response to Anthony Acock
    Level 1 (0 points)
    Aug 15, 2014 9:04 PM in response to Anthony Acock

    Hi,

    I was having the same problem. Got really frustrated and connected my usb to lightning chord to another computer and the same error message popped up. Found out the problem was the usb to lightning chord! Threw away the chord and used another. Problem solved!!! Make sure you check the chord before taking it to the genius bar!

  • by Marty Roberts,

    Marty Roberts Marty Roberts Nov 19, 2014 2:21 PM in response to sr185202
    Level 1 (20 points)
    Desktops
    Nov 19, 2014 2:21 PM in response to sr185202

    This just started happening to me when I upgraded my iPhone and my iPad to iOS 8.1 - there must be some connection.  I tried it with several different chords.  I think it is an iOS bug.  Happens even when nothing is plugged in.

  • by OneHairyGuy,

    OneHairyGuy OneHairyGuy Jan 2, 2015 4:30 PM in response to Anthony Acock
    Level 1 (0 points)
    Jan 2, 2015 4:30 PM in response to Anthony Acock

    You CANNOT use your power cord for the iPhone 5 for charging the iPhone 6. They both look exactly the same, but there is a difference. I ended up marking my iPhone 6 power cord, because my daughter uses my Mac Book to charge her iPhone 5. If you need to replace the cord for the iPhone 6 or 6S, they are $19.00 at the Apple Store. Using the correct cord solved this problem.

  • by Marty Roberts,

    Marty Roberts Marty Roberts Jan 2, 2015 5:55 PM in response to OneHairyGuy
    Level 1 (20 points)
    Desktops
    Jan 2, 2015 5:55 PM in response to OneHairyGuy

    I had an iPhone 4s and the correct cord, so that is not relevant to me.

  • by iBrunoCláudio,

    iBrunoCláudio iBrunoCláudio Jan 20, 2015 8:38 PM in response to Anthony Acock
    Level 1 (0 points)
    Jan 20, 2015 8:38 PM in response to Anthony Acock

    This recently happened to me, all i did was change my apple usb cable, try changing yours.

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