Follow each step carefully.
Press the power button located on the side of the device.
Allow the device to complete its boot sequence, which may take approximately 30 seconds.
Press the 'Settings' button on the main interface.
Navigate to the 'System Configuration' option using the arrow keys and press 'Enter'.
Complete the configuration steps as prompted on the screen.
After configuring, select 'Save' and press 'Enter' to apply the changes.
Press the 'Restart' button to reboot the device with the new display settings.