Tools / Display
Every pixel.
In plain sight.
Check your display for dead pixels and uneven backlighting. Nine pure colors. Room to see every detail.
Pixel Tester / 01 — 09
Expand your view
Start the test, then use the toolbar to enter fullscreen.
Look a little closer
Cycle through the colors and look for pixels that stand out.
An unobstructed view
Controls disappear after 5 seconds. Move the mouse or tap to bring them back.
Inspect your screen visually: this test helps reveal defects, but does not repair them.