LG 27TNF3K Owner's Manual page 11

HDMI (PC) Support Mode
Resolution Horizontal Frequency (kHz) Vertical Frequency (Hz)
800 x 600
1024 x 768
1280 x 720
1280 x 1024
1680 x 1050
1920 x 1080
37.879
48.363
44.772
63.981
65.29
67.5
60.317
60
59.855
60.02
59.954
60
11
Note