Recently after making some HW changes on my Hack and updating to the latest Multibeast, I started getting these errors: 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. So, I finally got tired of all these and started to trouble shoot.
Why are the USB ports not working on my Mac? | Macbook Repair in NYC |
I started to disconnect USB devices one by one to see if the message would go away. One by one I disconnected something I didn't immediately need, then wait to see if the error went away. They kept coming. Finally, my last device was my keyboard. I disconnected it and again, waited.
What to do if your Mac USB ports are not working
I got the same message after awhile. My Bluetooth is delivered by an external USB dongle and was disconnected earlier in the process, so that's not it. How is this possible?
I had earlier been adding hardware to my machine nothing USB-related though and I wonder if I somehow disconnected something inside my case? What would be the next step in troubleshooting this? Hit Return or Enter to search.
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I have seen this before and this happened when a user plugged in a big flat bed usb scanner into the front usb ports. Resetting the smc fixed my problem, but now that look closer at your post you have an older machine.
I would just unplug the offending usb ports from the mobo, clean them and re-insert. You could just run the box without those, but imho you're mac is about to give up the ghost To continue this discussion, please ask a new question. Get answers from your peers along with millions of IT pros who visit Spiceworks.
How to Fool USB Restricted Mode with a USB Accessory
I've googled for help and there is a lot of hits but I haven't found a solution yet. Best Answer. Popular Topics in Apple. Which of the following retains the information it's storing when the system power is turned off? Dave Jul 1, at UTC. Note: I'm not in front of my Mac right now, so labels may be a little off. Usually caused by a short in one of the USB ports, in case you had not yet guessed that.barguyfranen.tk
Why are the USB ports not working on my Mac?
Thai Pepper. Vincent This person is a verified professional. Verify your account to enable IT peers to see that you are a professional. Usually zapping the PRAM will cure this. If you haven't tried this already I know on some models the resets a power config. Rusty Jul 1, at UTC.
No suprise Apple product cough.. Dave Jul 7, at UTC. RS6 wrote: No suprise Apple product cough.. If you can get access to the bios on it try disabling usb ports then re-enabling the ports see if that has any affect, doubtful anything will work though as probably a hardware fault Right It's because it's an Apple product. PCs never have USB, or any other errors.
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