My imac always complains about usb using to much power

my imac always complains about usb port using to much power and the window pops up like every 5 seconds
please help
elvis007

If the keyboard is the only USB device connected when you get the error something else is going on. If a PRAM zap does not stop the error warning, you will need to take a trip to your local Apple Store or an AASP. If you have AppleCare, call them first.
Another thing you can try is to run Apple's Hardware Test from system CD #1 (the one that originally came w/your computer).

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Bamboo tablet stops working? USB uses too much power?

Dear sirs,
Converted to macbook a year ago and so far I haven't had any problems, until this happened...
I bought my new bamboo tablet less than three months ago and recently it has stopped working at random times- and then, this message pops up. "USB uses too much power, will be deactivated... blahblah" None of my friends who knows a lot about macs can help either, so I gotta ask you guys. And I've tried unplugging it and plugging it in again, the message still pops up.
I only have my tablet plugged in, nothing else and my battery was well over 90%.
What is going on? +I have also asked on the wacom forum, but no replied so far.+

Is the tablet powered from its own power brick or does it get power only from the logic board USB port? If the later, adding a powered USB hub (has a brick) and plugging the tablet there should correct the power problems.
Some USB devices draw more power than many notebook can push through their USB ports. The powered hub is a great asset especially when using a notebook computer like a desktop machine.

Help! pop up window about usb taking to much power keeps coming up every 30 seconds

Hiya
For a couple of months this pop up window keep on coming up everytime i start the computer. Havent really been bothered before but now it keeps on coming up less than every 30 sec and some times even 5 times at one time. It is really disturbing. What can I do about this? The usb's seem to work fine and its not anything wrong else with my macbook. I only had it since april this year.
Please, help
Kind regards
L

Sorry the message is in swedish.. It says 'Because of an USB-unittook to much power from the computer one or more of the usb-units have been inactivated. It had been inactivated to protect the computer. As soon as you have deattached the unit (no units are attached btw) the other usb-units will be activated again.

Lacie "using too much power", USB disabled, can't access ext HD?

Last night, moving items to my Ext HD, i got an error message about the USB "using too much power" and then it disabled it.
I'm using a 15'' 2006 Macbook with 10.6.7 operating system.
I've googled the issue and have run out of ideas.
The Ext HD is a 500GB LaCie Little Disk New Pack USB2.0 Black
Restarted the macbook.
Booted the macbook into safe mode.
I've tried plugging something else into both my USB ports (it detected the item, a camera card reader) and was usable.
When I plug in my Lacie Ext HD now using its usb cord, the blue light on the Lacie flashes as if its detectable/inuse but there's nothing in my Mac menus showing access to it.
HELP ?
Error Message:
Because a USB device 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.

Maybe the disk will work through a separately powered USB Hub?
Bob

HT4106 unplug the device using too much power to re-enable USB devices

iPad min cannot be changred, it shows
unplug the device using too much power to re-enable USB devices

Try unplugging it. Give your iPad a reset by holding down the sleep and home keys for about 20 seconds (until it reboots) then try again.

: USB DEVICES DISABLED Unplug the device using too much power to re-enable USB devices, message won't go away even w/all external devices unpluged!

USB DEVICES DISABLED
Unplug the device using too much power to re-enable USB devices
Message appears in upper right of screen. I've unplugged all & it still appears, software, hardware?
Any suggestions?

Look into the USB ports for foreign material and other abnormalities
Reset the SMC and PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM
Does it happen in Safe Mode?
OS X: What is Safe Boot, Safe Mode?
In Recovery mode?
OS X: What is Safe Boot, Safe Mode?
If still problem, make an appointment at the Genius Bar of an Apple store since it appears you have a hardware problem.
Apple Retail Store - Genius Bar

To upload photos from my pc onto my ipad using a usb stick. I bought a camera connector kit and tried placing the usb stick onto one of the white square adaptors, stuck it into the ipad2 and I got 'the device uses too much power'' message. Pls help.

I am not very familiar with the ipad2. I wished to transfer some photos from my pc (not an apple pc but that is the only one I have) to my ipad2 as I thought it would be easier to cull them, edit, crop etc to create albums for our recent trip (the photos are already on the pc and no longer on the camera memory card). When I place the usb stick on the adaptor and stick it onto the Ipad2 I keep getting 'device uses too much power/ requires too much power' message. I read somewhere on the internet that a usb hub could be used to solve the issue but that did not work either. What am I doing wrong? Is there actually a way around this problem. If not why does apple sell this product for Ipad users at all?
Thank you for any help/ solution you can offer.
Regards

I'd ask that on the iPad forum.
https://discussions.apple.com/community/ipad

On my MacBook Pro with Retina Display, Why does the "USB Devices Disabled Unplug the device using too much power to re-enable USB devices" keep coming up after I unplugged the usb device?

On my MacBook Pro with Retina Display 15", that I purchased a few weeks ago, started coming up with the following message on my desktop:
"USB Devices Disabled Unplug the device using too much power to re-enable USB devices".
I unplugged the device and the message still keeps coming up.
This is what I have done so far to troubleshoot:
I shut down the laptop. When booting up I pressed the command+option+p+r at the same time. It comes up with a menu to reinstall OSX, Get help online, Run Disk Utility, etc. I choose the disk utility and repair the disk and then restarted.
The message keeps popping up and I can't seem to get rid of it. Why does the message keep popping up even though I don't have any devices hooked up to the laptop at all? Any help to reenable my usb ports and get rid of the messaage would be helpful.

I talked to Apple Support and we at least stopped the bleeding, a little bit. These are the troubleshooting steps I did before I contacted Apple Support:
1. Reinstalled OSX
2. Restore the last known good Time Machine Backup.
This did not fix my issue, so I called Apple Support and they told me this:
1. Turn Power off.
2. Wait 15 seconds.
3. Plug in Magsafe adapter.
4. Wait 15 seconds.
5. Hold down the Shift+Option+Power Button for 20-30 seconds.
6. Turn Power back on.
Ok, this stopped the bleeding a little, but as soon as I plugged in a Apple USB Superdrive
and a Apple Mini Displayport to VGA Adapter. This "USB Devices Disabled" pop-up pops up like every 30 minutes now. At least, it is not constantly popping up after I close it, so I guess it will do for the temporary. Going to contact Apple support, later, though to see what else can be done.

HT4101 When I connect my camera I get an error message saying USB device uses to much power. What do I do to rectify this

I am unable to download photos from three different cameras, Sony, Samsung and Nikon using the lightning USB camera connector. I get a error message saying the the USB device uses too much power.

You may be able to over-come the problem by using a powered hub.
https://touch.ebay.com/tablet/item?itemId=130511148857&rd=vi

Why does my Macbook pro said "unplug the device using too much power to re-enable USB devices" when i plug in my iphone's charger to connect my phone with the mac?

my iphone 5's charger is not working anymore with the mac or the normal plug in neither, i dont know why. whenever i plug in my mac, i have to twist the charger a little and my mac said "USB Devices Disabled: Unplug the device using too much power to re-enable USB devices". of course it cant connect with the itunes in my mac, but somehow it still syncs the music to my iphone... i don't understand why. please help me thanks!

try resetting the ipad,or change the cable ,it woould work

I can no longer charge my iPhone5 through either of my macbook pros. I get the error message that a USB device is using too much power. Can anyone help?

I can no longer charge my iPhone5 through either of my macbook pros. I get the error message that a USB device is using too much power. Can anyone help?

I reconnected the original powered hub that I thought probably caused the problem and this time it shut down the whole computer. When I rebooted everything now works perfectly. The system reset. I tried another powered hub and it didn't have the same effect so the old one is heading for the bin and with fingers crossed all systems are now working perfectly. Trying to reset PRAM or reset the SMC didn't work but causing the same power issue did. Thanks for your input though. It did get me to think what was the original cause.
Cheers
Guy

HT4101 When connecting my camera to my IPad mini via lightniing to usb camera adapter,I get "The attached accessory uses too much power" .Any solutions?

When I connect my Ipad mini to my camera via lightning to usb camera adapter all i get is a message "The attached accessory uses too much power."Any solutions

It depends on the camera, but some have a special mode for offloading photos but not trying to charge the camera through the USB port. For others, you may have to pull out the SD card (if that's what it uses) and use the Lightning to SD card reader instead.
Maybe if you told us what camera you are connecting, somebody here with the same model can give you more specific information.

I made an extra backup on a USB device and now I can't get it back because "the device uses too much power". Why didn't it a few weeks ago and how can I use the device anyway?

because "it uses too much power"
I did'nt get that message a few weeks ago when I used Snow Leopard and now I can't approach the files I saved on the external disk.
Question 1: How do I solve the problem? (Without going back to Snow Leopard)
Q2: Why this parential supervision by Apple?

riks1105 wrote:
because "it uses too much power"
I did'nt get that message a few weeks ago when I used Snow Leopard and now I can't approach the files I saved on the external disk.
Question 1: How do I solve the problem? (Without going back to Snow Leopard)
Q2: Why this parential supervision by Apple?
Get a powered hub
USB is cranky, you're not the first (probably not the last) to have this happen.

Cannot charge iPhone 5 because USB is "using too much power"

Last night I tried charging my iPhone 5 on my MacBook Pro and everything went fine. However, when I tried to do the same thing today, every time I would plug my device in I would get an error message saying that the USB device is using too much power and has been disabled. Is there anyway to override this so that I can charge my phone?

It'll still carry the Apple warranty. My suggestion would be to bring your Macbook along and show them, even if you go to Verizon. You're better off at the Apple store anyway. If it turns out the cable isn't the problem, the diagnosis is free at the Genius Bar and one way or the other your problem should be fixed. Just make an appointment first.

Camera connection kit w/USB says cannot work uses too much power

When using the camera connection kit /USB the message cannot use device it uses too much power pops up!

What are trying to use it with ? If you are connecting it to your camera then does your camera have a setting on it to enable PTP (Picture Transfer Protocol, Pictbridge) or Mass Storage Device ? If you are trying to use a third-party card reader or a flash-drive with the kit to copy photos/videos over to the iPad, then a lot of them require more power than is supplied to the iPad's port - if you have a powered card reader or a single-card reader (i.e. not one that has different slots for different types of memory card) then that might have a better chance of working

My imac always complains about usb using to much power

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