― If dual monitor mode is used under DSC resolution conditions, the mode may not work properly due to the output limit of the graphics card. (DSC resolution: 5120 x 1440 @ 240 Hz or 3840 x 2160 @ 144 Hz)
If that is the case, lower the resolution of the sub-monitor or lower the
If a signal that belongs to the following standard signal modes is transmitted from your PC, the screen will automatically be adjusted. If the signal transmitted from the PC does not belong to the standard signal
modes, the screen may be blank even though the power LED turns on. In such a case, change the settings according to the following table by referring to the graphics card user manual.