USB Accessories Disabled warning keeps showing up

My MacBook Air has a message "USB Accessories Disabled. Unplug the accessory using too power to re-enable USB devices" yet there is nothing plugged in. Please help.

MacBook Air 13", macOS 10.14

Posted on Apr 30, 2019 2:49 PM

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Question marked as Top-ranking reply

Posted on May 1, 2019 9:08 AM

Hello B1Baffled,


Thank you for using Apple Support Communities. It's my understanding that you're receiving an error stating USB accessories are disabled on your MacBook Air even though no USB devices are connected. I'm happy to help.


If you haven't already, I recommend resetting the System Management Controller (SMC) on your Mac using the steps in the following resource:

How to reset the System Management Controller (SMC) on your Mac


Let us know the results. Please include additional error messages and any other troubleshooting steps you may have tried.


Have a nice day!

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Question marked as Top-ranking reply

May 1, 2019 9:08 AM in response to B1Baffled

Hello B1Baffled,


Thank you for using Apple Support Communities. It's my understanding that you're receiving an error stating USB accessories are disabled on your MacBook Air even though no USB devices are connected. I'm happy to help.


If you haven't already, I recommend resetting the System Management Controller (SMC) on your Mac using the steps in the following resource:

How to reset the System Management Controller (SMC) on your Mac


Let us know the results. Please include additional error messages and any other troubleshooting steps you may have tried.


Have a nice day!

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USB Accessories Disabled warning keeps showing up

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