Monitor Tests
How to Check Backlight Bleed and Screen Uniformity
Use a few simple screen patterns and consistent viewing conditions to look for edge light leakage and uneven brightness. Learn what is normal and when to seek help.
Learn about your screen
Guides & practical advice
Clear, reviewed content about displays and screen utilities.
Timers & Lighting
How to Use Your Screen as a Soft Light
A laptop or monitor can provide gentle fill light for video calls, a nearby reading task, or a quick look in a dim room. Learn how to position it, adjust brightness and color, and understand its limits.
Monitor Tests
How to Check a Monitor for Dead or Stuck Pixels
Use solid colors in your browser to look for dark, bright, or colored pixel defects on a monitor, laptop, or phone. Learn how to inspect the screen and understand what you find.