Overview
Pure Blue Screen.
Inspect blue subpixel channels. Vital for checking OLED blue subpixel degradation (blue subpixels have the shortest operational lifespan).
DOMAINscreentesttool.com
CATEGORYcolor
KEYBOARDF • Space • Z
Execution steps
- 01Launch Fullscreen Blue Screen.
- 02Look for dark subpixels or uneven blue saturation patches across the panel.
Diagnostic symptoms
- Dead blue subpixels or premature blue OLED aging.