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If you can’t see the refresh rate in settings, then try changing the resolution settings from “Default For Display” to “Scaled”. We recommend setting it at 60Hz if possible but you can try experimenting with whatever options are available to see if it helps. To change the refresh rate, you need to go to the Display settings on your Mac by going to System Preferences > Displays where you can manually change the refresh rate.

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The best external monitors for Mac usually run at around 60Hz although some gaming monitors can run at over 100Hz. It seems that in some cases Monterey is trying to run external displays at a refresh rate that they’re not capable of. Change The Refresh Rateįor some reason the refresh rate of some external monitors has been affected by Monterey. Most manufacturers are aware of the problem by now and many will roll out fixes or suggest solutions specific to their models.

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If all else fails, it’s definitely worth contacting the manufacturer of your external display to see whether there is a firmware upgrade or known solution to the problem with Monterey and external displays.

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You can find full instructions how to reset an external display here. Note that resetting the NVRAM doesn’t usually fix this issue as it’s specific to the display settings on your Mac. In some cases, the monitor will reset itself back to a supported resolution or refresh rate but sometimes you’ll have to reset the external monitor manually to get it working again. Sometimes when you change the resolution or refresh rate settings, your external monitor may not support the setting you’ve selected and go black. Once you’ve installed DisplayLink, your monitor should appear in your Mac Display preferences where you can manage the resolution, brightness and other things. It’s important that the dock or hub you are using supports DisplayLink and you can find this out by checking the model online but most Thunderbolt hubs support DisplayLink. If you’re using a Thunderbolt or USB-C dock/hub to connect your monitors to an Intel or M1/M2 Mac, then you may find that downloading and installing the free DisplayLink Manager from Synaptics helps.ĭisplayLink Manager allows you to connect and manage dual monitors on Macs via a hub, including on M1/M2 Macs.Įven if you’re only using one external monitor however, DisplayLink Manager can fix the problem if it’s not being recognized by your Mac. How To Fix External Display Resolution Issues on M1/M2 MacsĪlthough there’s no one fix-all solution for every monitor, try one of the following solutions to get your external monitor working again with an Intel or M1/M2 Mac.How To Connect Dual Monitors to M1/M2 Macs.2 Ways To Reset External Displays on Mac.

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8 Best Monitors For MacBook Pro of 2022.

Note that if you’re just having problems with the resolution on your external display when connected to your Mac, you may find these fixes to M1 & M2 Mac external display resolution issues more useful.

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The latest Monterey 12.3 update which was rolled-out for the release of the Mac Studio and Studio Display has also caused some external displays to stop working. This has been a problem from the release of Monterey and although the 12.1 and 12.2 updates have fixed it for some users, many still don’t work. However, the external display issues have affected both Intel Macs and the latest M1/M2 Macs running Monterey so it’s not just an issue related to Apple Silicon Macs. If you’re having problems connecting an external monitor to an M1 or M2 Mac, we strongly recommend checking out these workarounds to make dual monitors work with M1 and M2 Macs.

Others are experiencing temporary black-outs which come and go, flickering or found that the external display is not recognized at all by their Mac.įor those that have just bought M1 or M2 Macs, the reason is often because the base model M1 and M2 chips do not support more than one external monitor. Some monitors are completely blacked-out in and not even charging the MacBook Pro connected by Thunderbolt cables. The problem has affected all brands of monitor including LG, Dell, BenQ, Asus, Acer and Xiaomi. Many users have found that after upgrading to Monterey from Big Sur, one or more of the external monitors they were using suddenly stopped working with their MacBook Pro and Mac Mini. If you’ve have problems with external monitors not working on your Mac after upgrading to macOS Monterey or after buying an Apple Silicon M1/M2 Mac, here we show you how to get them working again.

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