Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

about time of installing os High Sierra v.10.13.1 my USB port stopped working. It does not recognize a SanDisk plugged in.

USB port not working after installing OS High Sierra v.10.13.1

Posted on Dec 17, 2017 12:29 PM

Reply

Best reply

Level 10

207,409 points

Posted on Dec 17, 2017 2:19 PM

You do have more than 1 USB port, right? Do the others work?

Try the following:

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

and

How to reset NVRAM on your Mac - Apple Support

View in context

1 reply

Best reply

Level 10

207,409 points

Dec 17, 2017 2:19 PM in response to 19silverfox38

You do have more than 1 USB port, right? Do the others work?

Try the following:

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

and

How to reset NVRAM on your Mac - Apple Support

Reply

about time of installing os High Sierra v.10.13.1 my USB port stopped working. It does not recognize a SanDisk plugged in.

Welcome to Apple Support Community

A forum where Apple customers help each other with their products. Get started with your Apple ID.

Learn more Sign up