Online Red Screen Testing Tool
Just click on the button below to open the red screen for testing.
Tip: Press the "Esc" key to exit full screen.
What is the Red Screen Test?
A red screen test is a diagnostic procedure that involves displaying a red screen on a computer or device to test the display or monitor. The purpose of a red screen test is to verify that the display or monitor is functioning correctly and is able to display a solid red color.