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How do I enable 60hz on my Mac?
You need to option+click on scaled in display settings and then select 4k resolution. Then tick the box that says “show low resolution modes” and then change the refresh rate to 60hz.
Why can’t I change the refresh rate on my monitor Mac?
Click the Apple menu, then choose “System Preferences.” In System Preferences, click “Displays.” While holding the Option key on the keyboard, click “Scaled.” Use the dropdown menu beside Refresh Rate to choose the refresh rate you want to switch to.
How do I fix the resolution on my Mac HDMI?
While mirroring your Mac to a TV or projector, go to System Preferences > Displays. From here, you can use the slider to adjust the overscan or underscan setting. If you see an option to change the screen resolution, you can choose the one that matches the dimensions of your TV or projector.
How to make my Mac monitor work at full resolution?
See here: On the Mac: System Preferences > Displays > Under the Display tab set the Underscan -> slide to OFF! (This ensures it is in the default position) On your Monitor: Image Control > Custom Scaling > Overscan —- OFF!
What’s the default screen resolution for Mac OS X?
By default, in recent versions of OS X, you’ll see a “default” recommended resolution for your external display. If you prefer a different screen size, OS X gives you four other options. The exact resolutions will vary depending on the specifications of your external display.
What kind of monitor can I use on my Mac?
Click on “Scaled” to view the display choices. As referenced above, the external monitor connected to the Mac in the screenshots is a Phillips FTV HDTV, with a native resolution of 1080p. An actual PC monitor usually displays a “Looks like #### x ####” resolution underneath the TV image in the options window.
What should I do if my Mac display is not working?
Disconnect the cable from your external display from your Mac, then reconnect it. If the cable from your external display doesn’t connect to the ports on your Mac, you can use a Thunderbolt 3 or USB-C adapter.