Samsung LA32E420 E-Manual page 36

To set screen resolution, click on the "Control Panel" on the Windows start menu,
and then set the desired screen resolution in the "Display".
N NOTE
The correct size setting (Screen resolution)
- [Optimum: 1366 X 768 pixels]
- [Optimum: 1920 X 1080 pixels]
If a vertical-frequency option exists on your display settings dialogue box,
the correct value is "60" or "60 Hz". Otherwise, just click "OK" and exit
the dialogue box.
for LED 4 series
for LED 5 series
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