Mic on my MacPro and 27" Thunderbolt not working

The mic on my thunderbolt display is not working. It does not appear as a sound input device in settings. I am using the display with a Mac Pro 2013 running Yosemite. Any ideas?

iPad Pro, OS X Yosemite (10.10.5)

Posted on Apr 22, 2016 9:17 AM

Reply
1 reply

Apr 22, 2016 9:30 AM in response to Rob D-J

- Try resetting the SMC and NVRAM/PRAM

Intel-based Macs: Resetting the System Management Controller (SMC)

About NVRAM and PRAM

- Try starting in Safe Mode

OS X: What is Safe Boot, Safe Mode?

- Boot to Recovery and repair the startup disk

OS X: About OS X Recovery - Apple Support

- If it is repairable reinstall the OSX

How to reinstall OS X on your Mac - Apple Support

- If you do not have a backup use disk utility to restore the internal disk to an external disk so you can try to recover data.

Then format the startup disk and do a fresh install of OSX

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Mic on my MacPro and 27" Thunderbolt not working

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