Because a USB device was drawing too much power from your computer, one or more of your USB device have been deisabled - WACOM Cintiq 13

Hi,
I recently got a Wacom cintiq 13, with 3 in 1 chord, which I am now using on my MBP early 2011. The wacom (that has an external power supply) works fine with USB connected however everything else wont and I'm getting the above mentioned error message, even when I connect the usb to an external power source.
Tried resetting PRAM, and SMC - didn't help.
And I cant reach my backup since there on an external hd.
Any help?
Thanks

Try a different USB cord, seen this many many times, its highly likely a damaged USB cord.
Restart the computer to redefine Port definition. If still a problem
You can also resetting PRAM/NVRAM: http://support.apple.com/kb/ht1379

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"Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled.

Here is the total error message:
"Because a USB devce was drawing too much power from your computer, one
or more of your USB devices have been disabled.
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."
Now in contrast to every other thread on this i get this error message eveytime i connect my soundcard (interface). Not when i start up the mac or anything, just when i connect the sound card. (the soundcard does not have its own power source but note that this has never happened before and i have had this soundcard for about a year!)
It deactivates so i cannot use it.
I have tried:
Connecting the soundcard to my mothers mac -> it worked!
Connecting an external harddrive to my mac -> it worked!
so basically, i can't be the soundcard or the cable and it cannot be the mac USB port?
I don't know what to do! i really need this to work! anyone got an idea??

Hi, ryankeenanrk.
Thank you for visiting Apple Support Communities.
I would recommend trying the steps in both articles below and test the results.
OS X Mountain Lion: Reset your computer’s PRAM
http://support.apple.com/kb/ph11243
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
Cheers,
Jason H.

"Because a USB device was drawing too much power from your computer..." error withOUT any USB device

Hi,
I am getting this error since recently when I am using my MBP:
"Because a USB device was drawing too much power from your computer..."
The 'funny' thing: there is no USB device attached to the computer (only power and monitor cables).
Why is this happening and what could I do about it?
Appreciate your ideas?

It's probably an internal hardware fault, but you can try this:
Intel-based Macs: Resetting the System Management Controller (SMC)

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I keep getting this message : Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled.

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Solution may be found if you search in the "More Like This" section over in the right column and in the article - http://support.apple.com/kb/HT1151.

HT1212 i get this message? "Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled."

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Not Charge
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Because a USB device was drawing too much power from your computer - bla, b

In the last week or so, my iMac (Intel CoreDuo) started displaying an error message every 30 seconds saying "Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled", followed by some other useless "explanations" (which BTW can't even be copy/pasted). This has happened before (for about a year now) at every startup, but that was more acceptable; now that the message comes every 30 seconds it renders this machine unusable.
I tried it with or without any USB accessories attached, with or without powered hubs attached, I reset the PRAM and SMC and reinstalled the OS twice. The only option I have left is to trow this machine out and buy a new one (believe me, it's not going to be a Mac).
This shows not only the lack of quality of the hardware (crappy logic board and USB ports) but also a complete disregard for the annoyance these constant popping messages create to the end user when designing the OS. Just while writing this message I had to press the OK button about 10 times. It's AWFUL!!!

Hi cimula. before you turn to the extremes have you tried reinstalling snow leopard. maybe you had a problem occur when it was originally installed and is missing a driver or something. also take it to an apple store if possible. take everything needed to run the imac and show one of the geniuses the problem and 90% of the time if you are nice and calm they will gladly help and diagnose the problem even if it is out of warranty. no promises it will be free it could be a hardware malfuntion. just dont force your self back to pc once all of the problems are gone you will love it again. i switched from pc which i had been using my whole life after a friend showed me his macbook and have never looked back. of course once and a while there will an error, problem or whatever but is it worth switching to a pc which has to have a security program running 24/7 to stay alive and sucking up all of the cpu and slowing you down? hope i am helping Dean

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Hi
does anyone know how to fix the message on my iMac:
"Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled."
This is a brand new machine and did not have anything attached to the USB ports"
Thanks for any help

If you are getting that message on a brand new Mac with nothing connected to the USB ports, take it back. It is broken.

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Unplug whatever other devices you also have plugged into USB, and try again. Better not to plug the iPhone into a USB hub.

Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled. This shows up even when I am not connected to a USB. what do you think the problem is?

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Try a different USB cord, seen this many many times, its highly likely a damaged USB cord.
Restart the computer to redefine Port definition. If still a problem
You can also resetting PRAM/NVRAM: http://support.apple.com/kb/ht1379
MacBook Pro (15-inch Mid 2012), OS X Mavericks (10.9), i7 500GB 16GB RAM iPhone5 iOS7.0.3

HT1338 what to do when this happens Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled.

Because a USB device was drawing too much power from your computer, one or more of your USB devices have been disabled.

update to the above (my edit has disappeared !)
This appears to be a problem with the USB cable. I can make this message happen during a sync with itunes. If i lift the cable with my finger about a cm away from the join between the cable and the USB connector head of the cable I get this warning message each time I try. I must have a loose wire/connection in the cable.
Thanks

Because a USB device was drawing too much power from your computer, one or more of your USB device have been deisabled - WACOM Cintiq 13

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