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MacBook Pro/Air screen comprehensive inspection | no bad pixels/no light leakage/perfect color

March 24, 2026
✅ Solid color background detection (red/green/blue/white/black) - confirm no bad pixels, bright spots, or dark spots
✅ Grayscale Gradient Test - Confirm that color transitions are natural, without breaks or stripes
✅ Leakage test - no visible light leakage at the edges under a pure black background, uniform backlight
✅ Viewing angle - multi angle observation, no color cast, no brightness attenuation
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