HomeAppsToolsDisplayTestApps like DisplayTest Here are some great alternatives to DisplayTest by ddO : Dead/Defective Pixel Test& Fix ★3.6 Dead Pixel Fix - LCD & IPS ★3.4 Dead Pixels Test and Fix ★3.9 Display Tester ★4.1 Screen Test ★4.4 InjuredPixels: Dead Pixel Test ★4.2 Touchscreen Dead pixels Repair ★4.2 LCD Screen Dead Pixel Fix ★4.1 Screen Check: Dead Pixels Test ★4.3 Backlight Bleed Test ★4.3 Detect Dead Pixels & Touchscre ★4.2 Screen Dead Pixel Fix/Repair ★3.6 Screen Calibration ★3.4 Display Calibration ★4.1 Touchscreen Calibration, Test ★3.9 Screen & Display Calibration ★3.9