Mac Screen & Display Test
Calibrated display testing for MacBook Pro Liquid Retina XDR Mini-LED, MacBook Air, iMac 4.5K, and Apple Studio Display 5K.
Diagnostic Sequence Preview
This test automatically cycles through calibrated solid color surfaces.
What to Look For
MacBook Pro and Apple Studio displays are engineered for professional color grading and design work. This test verifies uniform backlight distribution, examines Mini-LED local dimming zones, and tests for stuck or dead subpixels.
- Subpixel consistency across ultra-dense Retina matrices (220+ PPI).
- Mini-LED local dimming blooming around high-contrast edges.
- Color temperature shifts between the left and right sides of the MacBook panel.
- Backlight bleeding around the camera notch and display bezels.
Display Preparation Tips
- 1Disable True Tone and Night Shift in macOS System Settings > Displays.
- 2Set display preset to standard 'Apple Display (P3-500 nits)' or 'Liquid Retina XDR (P3-1600 nits)'.
- 3Press 'F' or click Fullscreen to hide macOS Menu Bar and Dock.
- 4Use keyboard arrows (← / →) to step through diagnostic colors.
Frequently Asked Questions
How does Apple handle dead pixels under AppleCare+?
MacBook displays with dead pixels or stuck bright subpixels are covered for repair or panel replacement under the standard 1-year warranty and AppleCare+.
What is Mini-LED blooming on MacBook Pro?
Liquid Retina XDR MacBook Pros use thousands of Mini-LED dimming zones. High-contrast white objects on black may show slight haloing (blooming), which is normal for local dimming technology.
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Launch full-screen diagnostics right now to verify pixel health, backlight uniformity, and color fidelity across your entire display.
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