Diagnostics•100% Client-Side Hardwaretests
Test Your Gadget — screen-size-aspect
Kostenloses, 100% privates Diagnoselabor ohne Software-Installation. Testen Sie Monitor auf Pixelfehler, Mikrofon mit Wiedergabe, Lautsprecher, Tastatur, Gaming-Maus und Internet-Geschwindigkeit.
Display Hardware
Display & Screen Testing Suite
Detect dead or stuck pixels, inspect color gradients & banding, calibrate contrast/brightness, and measure on-screen dimensions.
Measured Refresh Rate
Measuring...
Color Gamut
Probing...
HDR Dynamic Range
Checking...
Resolution & DPR
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Stuck Pixel Exerciser
Generates rapid high-frequency RGB cycling noise. Drag the flickering box over any stuck/lazy pixel on your display for 10-15 minutes to stimulate sub-pixel transistors.
NOISE