Screen Tester - Each slide will show an image that makes any dead/stuck pixels, discoloration, scratches, and dust...
InjuredPixels - Easily check your PC, laptop, tablet, smartphone, connected screen or TV for dead pixels, scratches...
Dead Pixel Locator - Locate dead pixels or lit pixels on your LCD monitor or plasma displays, TVs.
Auditor of dead pixel - batch cmd ms dos commande prompt vb.net firefox backup visual basic.net
Monteon - Free online-service to test a computer monitor, laptop screen, TV or mobile device display
lcdtest - LCD monitor test pattern generator