LG 26LU55 Owner's Manual page 48

EXTERNAL EQUIPMENT SETUP
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Screen Setup for PC mode
SeOecting Resolution
You can choose the resolution in RGB-PC mode.
The Position, Phase, and Size can also be adjusted.
You can choose this option only when the PC resolution is set to 1024X768, 1280X768 or 1360X768.
Select PICTURE.
Select Screen (RGB-PC).
Select
Resolution.
Select the desired resolution.
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