Select your display and slide the toggle next to Virtual Super Resolution. How do I force 4k resolution on a 1080p monitor?Ĭlick the Settings cog in the upper-right corner, then head to the Display tab. This is the highest resolution for your current monitor. You should see the option “Default for Display” selected.
#Use custom resolution switchresx how to
Here is how to change your aspect ratio on a Mac screen: How do I stretch the resolution on my Mac? and then click on OK, after that, hit Customize, check the box that says “Enable resolutions not supported by the display” and click “Create Custom Resolution”. There should be an option called “Perform scaling on”, change the setting to : “GPU”. How do I fix custom resolution not supported? Select a scaled resolution option for the second display. Press and hold the Option key while you click Scaled to see additional resolutions for the second display. On your Mac, choose Apple menu > System Preferences, click Displays, then click Display.