Turn off 2nd monitor mac. You can toggle mirroring on or off by pressing Command-F1. Then just shut the secondary monitor off (so you don't see the mirrored display). Mar 25, 2023 · This is how you can turn off the MacBook screen when using an external monitor. If the displays have the same resolution, one possible way to simulate this is to switch to mirroring. “You can go to System Preferences > Displays > Arrangement and check the Mirror Displays checkbox. com Feb 28, 2025 · Connect the external monitor to your Mac and ensure that it’s turned on. May 30, 2023 · Not as far as I know. Jun 7, 2017 · Once the external display is connected, turn the machine on—it will detect the secondary display while leaving the internal one turned off. This will alleviate the issues you have with "dragging things off the screen" as the system will constrain your desktop to the one, active monitor. See full list on devicemag. Make sure your primary display is set to the laptop's built-in display. I hope the above guide helps you keep the Mac lid closed when an external display is connected. Click on the Apple menu and go to System Preferences. . ” Aug 22, 2009 · All you have to do is enable "Display Mirroring", and the mac will automatically make it so all apps that were on different monitors are now on the one monitor. Once your external monitor is connected to your Mac, you can arrange your displays to your liking. Ensure that the Mirror Displays checkbox is unchecked. vyfyx yvjid qjkz qiexw cdnq ojmpbd bavdzh nqzues htxgr qlmf