#MacBook Pro 15 8,2 Late 2011

13 messages · Page 1 of 1 (latest)

brittle surge
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Hi Guys,
I already had Monterey installed on this Mac and it had the same problem,
the menu bar at the top stays solid black in light mode.
Yesterday I downgraded to Big Sur and the graphics issue is still there.
The Mac uses the AMD Redeon HD 6750M to output the image is just a minor issue, but is there a way to fix it?

has anyone had the same problem ?

brazen haven
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Check and see if that setting is enabled in OCLP

brittle surge
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yes, it's on : /
is maybe a momentary issue with this Mac, and will be fixed in OCLP 5.4? 🤷‍♂️

brazen haven
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This is possible, I don't currently have Big Sur on my 2011 to test

desert wing
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Do you have any other graphical issues or distortions across the UI? Does the Launchpad and Notification Centre look alright?

brazen haven
brittle surge
desert wing
brittle surge
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problem solved,
The non-metal GPU acceleration doesn't work well on the dGPU (AMD Redeon HD 6750M) so I tried disabling it to make the Mac use the iGPU (Intel HD Graphics 3000) and now is working fine ! : )

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I used this command to disable the dGPU, if someone have the same problem like me : "sudo nvram FA4CE28D-B62F-4C99-9CC3-6815686E30F9:gpu-power-prefs=%01%00%00%00"