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Old 11-15-2021, 12:57 PM
dominicperry dominicperry is offline
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Join Date: Apr 2019
Location: UK
Posts: 917
Default Re: Ultra Wide Monitors Woes Woes With Mac mini M1?

I couldn't get the Mac Mini (intel) or the M1 MBA to support the ultra wide resolution I needed so I ended up with a Mac Pro. The new M1 Max finally works at the resolution required (5120x1440 - 32:9).
However, in both 'working' cases, the display was glitchy and flickery. I also tried multiple HDMI cables and multiple TB to DP cables and adapters.
In the end the fix, again in both cases, was to install SwitchResX. There are many versions of the same resolution available - some are HighDPI, some not, along with various refresh rates - conventional stuff like 60, 100 and 120Hz but also 59.88 and 99.88. One of the odd ones worked best with the Mac Pro. One of the HDPI options worked with the M1 Max. So, worth a shot - free for 10 days and cheap to purchase if it works.

Dominic
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