When connecting the monitor with a Mac, why is LBL (low blue light) color mode disabled and greyed out in the OSD menu? How can I switch on?

06-24-2022

Please make sure HDR is turned off on your Mac. Starting from MacOS 10.15.4, HDR is automatically activated on your Mac, so the monitor detects HDR and stays in HDR mode, which prevents low blue light activation.

Applicable Models

EW2780U, EW3270U , EW3280U , EX2780Q, EX3203R, EX3501R, PD2705Q, SW270C, SW271, SW321C , EL2870U, EW2480, EW2780, EW2780Q, EX2710, PD2700U , PD2720U, PD3220U, EX2710Q, EX2710R, EX2710S , EX3410R, EX3210U, EX2710U, EX240, EX240N

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