Q: 3rd display not working with Yosemite. Was fine with Mountain Lion. Any suggestions?

I use my Imac as a digital aidio workstation with 3 displays. Never updated to Yosemite due to issues with the DAW manufacturer software. Now that the issues were resolved, I said what the **** and I updated to Yosemite. Now my 3rd display does not work at all and I am not a happy camper. Gives credence to if it ain't broke don't fix it. Thanks all.

Matt

Va Bch, VA

iMac, OS X Yosemite (10.10.2)

Posted on Apr 1, 2015 5:48 PM

I have this question too

Q: 3rd display not working with Yosemite. Was fine with Mountain Lion. Any suggestions?

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by brenden dv,

brenden dv Apr 4, 2015 9:56 AM in response to mrtessitor
Community Specialists

Apr 4, 2015 9:56 AM in response to mrtessitor

Hello mrtessitor,

I'm sorry to hear you are having these issues with your iMac after a recent update to Yosemite; I know how frustrating that can be. If you are having issues with one of your external displays that was working previously, you may find the information and troubleshooting steps outlined in the following articles helpful:

OS X Yosemite: Connect multiple displays to your Mac
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support

Sincerely,
- Brenden
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Q: 3rd display not working with Yosemite. Was fine with Mountain Lion. Any suggestions?

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by brenden dv,

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