Detect stuck, dead, or hot pixels on your screen by cycling through solid color fields. Works on any monitor, laptop, or display.
Click "Start Full Test" to fill your entire screen with a solid color.
Look for dots that appear a different color than the rest of the screen.
Click or press → to advance through all 9 solid test colors.
Use "Auto Slideshow" to cycle every 2.5 sec hands-free.