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Mac

ResXtreme

Free Provides access to all display modes for each connected screen.
4.8 
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Developer:
Chris Miles
License type:
Freeware
Review Comments (7) Questions & Answers
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Awards: Recommended by Mac Informer award
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ResXtreme is a free Mac OS X display mode utility. It provides access to all display modes for each connected screen, including extended and HiDPI modes accessible only via private system APIs. These private modes are not normally accessible to App Store apps.

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4.8
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Andrea
Hello, thanks a lot! I still have erratic colours after selecting new resolution

my imac is mid-2011 (21,5)
intel core i5
amd radeon HD 6750M (512mb)
8gb ddr3 ram
Updated to macOS Monterey 12.3 with the OpenCore Legacy Patcher

Even if I try other resolutions it keeps strobing.
Can anybody help me please? Thanks guys!

Mar 29, 2022 Was it helpful?  yes(0) no(0) | Reply
F
Francesco
Andrea, Ciao, try to switch to "unknown display" under Screen settings this should fix most issues

Mar 4, 2023 Was it helpful?  yes(0) no(0) | Reply
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rating TheCodeTinkerer
Works exactly as it should - Changed bitrate from 10 to 8-bit and the strobing stopped on older iMac 27" 2011 after updating to macOS Monterey with the OpenCore Legacy Patcher.

Note: For other users coming from penCore Legacy Patcher - Use the tab called "Depth" in the application and choose the native resolution with the "8-bit" setting and double click.

Feb 11, 2022 Was it helpful?  yes(0) no(0) | Reply
P
rating Pipifax76
Perfect, when updating an older Mac to Big Sur, if you have an AMD Radeon.

Jan 27, 2022 Was it helpful?  yes(0) no(0) | Reply

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