LG 24LN4510 Owner's Manual page 25

Method B: DVI to HDMI Connection
If you want to use HDMI-PC mode,
you must set the input label to DVI mode.
HDMI IN
Method C: RGB Connection
RGB IN (PC)
MAKING CONNECTIONS
or
(Not Provided)
(Not Provided)
or
(Not Provided)
(Not Provided)
25
PC
AUDIO OUT
DVI OUT
PC
AUDIO OUT
RGB OUT (PC)