LG 4250DC - - 42" LCD TV Technical Manual page 28

EXTERNALEQUIPMENT SETUP
Screen Setup for PC mode
m
x
m
_o
z
m
X:)
c
m
z
m
c
"0
Selecting Resolution
You can choose the resolution in RGB-PC mode.
The Position, Phase, and Size can also be adjusted.
Select PICTURE.
Select Screen (RGB-PC).
Select Resolution.
Select the desired resolution.
28