The information in this article can help you when the screen on Game & Watch: Super Mario Bros. seems frozen or does not respond.
What to do
Press and hold the POWER Button for at least 5 seconds.
After the screen turns off, press the POWER Button once to restart the system.
If the screen does not power on, the system may need to be charged.
If the screen powers on, but remains unresponsive, try resetting the system back to factory settings.
Situation not resolved
If the screen is powered on, but the system does not respond to any button input, the system will need to be repaired. Please contact us for support.