PassMark MonitorTest - Test monitors and LCD flat panel screens
Mobile LCD test images
Screentest - monitor testing utility
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lcdtest: LCD Monitor Test Pattern Generator
AIDA64 - Monitor Diagnostics
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Colour test screen
EIZO monitors for offices, photos & design, medicine, gaming and industry
Using Screen Patterns | Imatest
Monitor test charts
Monitor Test Images
Transform] How to Run the LCD Test – Phrozen Help Center