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We are sorry to read that your recently purchased LG 27-inch UltraGear™ IPS 4K UHD 180Hz or FHD 360Hz Dual-Mode NVIDIA G-Sync Compatible Gaming Monitor, Model # 27G810A-B, did not meet your expectations, and we sincerely apologize for any inconvenience. Dull or washed-out monitor colors on a MacBook Air, especially with external displays, are often caused by incorrect color profile detection (limited vs. full range), enabling HDR, or improper scaling. You can try adjusting the color profile on your MacBook Air by navigating to System Settings > Displays, selecting the external display, and trying changing the "Color profile" to "Color LCD" or calibrating it using the Display Calibrator Assistant. You can also try testing alternatives like Generic RGB Profile" to see if saturation improves. macOS may detect monitors as limited range (washed out) rather than full range. Use tools like BetterDisplay to force full RGB. Turn off True Tone in System Settings > Displays to see if that improves color accuracy. Disable HDR in display settings, as it can sometimes make colors look washed out. If the issue persists, ensure the monitor's on-screen display (OSD) settings are set to RGB and not YPbPr...^Ivan.
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