Underscan resets mac. This problem started after the update to High Sierra . Any...
Underscan resets mac. This problem started after the update to High Sierra . Any suggestions on how to correct this issue so my system can work normally? Nov 6, 2025 · Mac Mini M4 HDMI to TV Underscan Reset Fix I have noticed a lot of people having the same issue where every time the display turns off the underscan needs to be set again. We can get you pointed in the right direction for support. This can be remedied by j Jun 6, 2023 · How to save underscan setting I use a TV for my 2nd monitor with my MacBook Air. This has never happened before. 3 Ghz I7 with Mac OS High Sierra 10. Feb 15, 2013 · Underscan keeps resetting? When my mac mini goes to sleep the underscan resets itself and I lose part of my desktop to the display on my tv and I have to go back into settings each time to reset it to where I need to. You can find out more information about how to adjust the display settings on your Mac including information under underscan here: About overscan and underscan on your Mac, Apple TV, or other display May 26, 2020 · After every wake or start-up, the underscan setting fails to be applied. I found that if you turn the TV on first and let it get past it's initial warmup phase then wake the mac up it will retain the setting. Does anyone know how to save the underscan setting or prevent it from resetting to off, or is it a matter of waiting for Apple to address this in a macOs update? Dec 14, 2023 · Often, when waking up from sleep (and every time after a restart), the overscan/underscan will reset on the display despite the slider remaining at the correct percentage. zbrtmrofidjbudfpdegxrxywezvldoljfhfmhcewxnlpnxshwuulrg