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About this tool
Inspect a display using solid colors, a grayscale gradient, a checkerboard and text.
Common uses
- Inspect a display using solid colors, a grayscale gradient, a checkerboard and text.
- Start the test to show the black pattern.
How to use it
- 1.Start the test to show the black pattern.
- 2.Use right arrow or Space for the next pattern, left arrow for the previous, and Escape to exit.
Limits and notes
- This is a visual inspection overlay, not an automatic dead-pixel detector or calibrated display measurement.
Frequently asked questions
What does this tool do?
Inspect a display using solid colors, a grayscale gradient, a checkerboard and text.
What should I check before using the result?
This is a visual inspection overlay, not an automatic dead-pixel detector or calibrated display measurement.