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6) Residue image
→ If an image remains on the screen for an extended period of time, it may be
imprinted in the screen and leave a residue image. It is characteristic of liquid
crystal and is not malfunction or deterioration of the liquid crystal. The residue
image will disappear after a period of time. It is recommended to set up the
screen saver for your LCD monitor.
7) Out of Rang
→ The first thing you need to check is the screen resolution. Usually “Out of
Range” is caused by improper resolution setting. You can recover the proper
screen resolution as the following steps for Windows: (Assumed that the
optimal resolution and frequency setting is 1280x1024@ 60Hz.)
Boot the computer into VGA Mode (F8) [repeatedly] at startup.
Go to “Control Panel”, double click on “Display”, click on the SETTINGS
TAB, and click on the ADVANCED button.
Then Click on the Adapter TAB, click “List All Modes” and change the
screen resolution to 1280x1024. (You can select 16 bit or 32 bit color which
depends on your video card capability.)
Select “1280 by 1024, High Color (16 bit), Default Refresh”
Click on the “OK” and “APPLY”.
After clicking the APPLY button, a message will be displayed “Your desktop
has been reconfigured. Do you want to keep these settings?”
Click “Yes” and “OK”. Then click “OK” on the Display Properties window.
Restart your PC
After you restart, go back to “List All Modes” to adjust your screen refresh
rate to 60 Hertz.