Some users will experience the following window size discrepancies after launching the MuMu Player, please troubleshoot the problem by:
In case one, please check whether there is an "external display", if so, please cancel the external display, it cannot be displayed properly on the external display at the moment.
In case 2, please make sure the screen scaling and layout are "100%", other scaling may cause display problems, you can check and set it by right-clicking on the desktop and going to "Display".
In case 3, right-click on the MuMu emulator icon on your desktop, Properties 1 Compatibility 1 Change the Engage DPI settings 1 Uncheck the High DPI scaling behavior and save, restart the emulator.