I installed beta 2 and then experienced the graphic issues. I restarted and booted into safe mode then restarted again and the graphic issues disappeared.
Could it be a cache issue?
Thoughts
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**severe Graphic issues using beta 2 on Mac Pro Late 2013 with Thunderbolt display
- Thread starter chama98
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I installed beta 2 and then experienced the graphic issues. I restarted and booted into safe mode then restarted again and the graphic issues disappeared.
Could it be a cache issue?
Thoughts
keysofanxiety
macrumors G3
Looks like hardware to be honest. Do you have the D500 or D700? There's an extended repair program for them.
No it's not hardware issue is a software issue.
Hardware test came back ok. Both Apple hardware test and other 'professional' hardware tests.
keysofanxiety
macrumors G3
OK, just does very much resemble hardware. Regardless, do you have the D500/700?
Does the issue also occur on 10.11.5?
keysofanxiety
macrumors G3
Okay, if that's the case it's possibly a driver issue with either Thunderbolt display or D300 on the Sierra build.
You can try the normal PRAM/SMC resets, plus testing through a new administrator user account. If the issue persists, report the bug & roll back to El Cap.
Well funny you should say that. I am doing this now.
However a pram/smc reset is not necessary. It's a cache issue I am sure of it. Because as soon as I rebooted into safe mode the error had gone. To be sure I restarted again normally and everything was back to normal. However I have reported it including the video I took and photos of the issue.
Will wait and see what happens!
Tempted to carry on with testing though.
keysofanxiety
macrumors G3
Have you tried a new user account? And SMC/PRAM doesn't take long at all so it's worth a shot, even if you feel it won't be relevant to the problem you're having.