Troubleshooting

The Screen Image Looks Abnormal.

Is the screen position wrong?

Do thin lines appear in the background?

Horizontal noise appears or characters look blurred.

The screen is displayed abnormally.

D-Sub analog signal - Press "AUTO" on the remote control to automatically select the optimal screen status that fits the current mode. If adjustment is not satisfactory, use the OSD Position menu.

See if the video card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the Control Panel "Display" Setting menu.

D-Sub analog signal - Press the "AUTO" button on the remote control to automatically select an optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the Clock OSD menu.

D-Sub analog signal - Press the "AUTO" on the remote control to automatically select an optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the OSD Phase menu.

The proper input signal is not connected to the signal port. Connect the signal cable that matches with the source input signal.

Ghost Image Appears on the Screen.

After-image appears when the product is turned off.

If you display a fixed image for a long time, the pixels may be damaged quickly. Use the screen-saver function.

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LG Electronics M4210LCBA owner manual Troubleshooting