My External Monitor Is Not Showing Full Screen. Confirm the monitor is turned on. After restarting it I know the display itself isnt faulty.
Press the Windows X button and click Device Manager. Monitor not Displaying Fullscreen on Windows 10 Solution 1. Right-click on the device then click Uninstall.
Your full screen issue has something to do with your graphics card.
Cold reboot the computer to refresh the connection. Click on the secondary display shown in the. Right-click on the device then click Uninstall. It can be skipped by retrieving the monitors EDID data from SwitchResX.