PREPARE
Before you start
- 1Gently clean the screen first.
- 2Use your normal brightness, then check again brighter.
- 3Look from a comfortable, straight-on position.
PIXELS · 2 min
Dead Pixel Test
Scan for stuck, dark or fixed-color pixels with exact fullscreen colors.
OBSERVE
What to look for
- A dark dot on white or bright fields.
- A bright dot on black.
- A dot that stays the same color across patterns.
MEASUREMENT BOUNDARY
What this test cannot prove
A website cannot see or automatically identify physical pixel defects on your panel.