User Manual

3-11
ASUS LCD Monitor
MG28U
Series
Cannot select 3840x2160@60Hz
for HDMI
• Check the HDMI version of your graphics
card.
(a) If it is HDMI 1.4, 3840x2160@60Hz output is not
available to your card. Change to a HDMI 2.0 card.
(b) If it is HDMI 2.0, connect to HDMI-1 (4K@60Hz), i.e.
the HDMI port next to DP.
Note: The HDMI-1 (4K@60Hz) input port supports up to
3840x2160@60Hz
HDMI-2, HDMI-3 input ports support up to
3840x2160@30Hz
Cannot select 3840x2160@60Hz
for DP
• Check the DP version of your graphics card.
(a) If it is DP 1.1, 3840x2160@60Hz output is not
available to your card. Change to a DP 1.2 card.
(b) If it is DP 1.2, set DisplayPort Stream to DP 1.2.
PC is on, but DP cannot display
anything
• Check if your PC is in hibernation. Press any key on
the keyboard or click the mouse
• Remove and insert the DP signal cable on the PC and
display to see if the cable clicks.
• Press the power button on the display to see if it is
on.
• If the card is DP 1.1, press the Source button and
select Switch to DP 1.1.