LG 49VL7D Owner's Manual page 20

20
The screen image looks abnormal.
Problem
Is the screen position wrong?
Do thin lines appear on the
background screen?
Horizontal noise appears or the
characters look blurred.
The screen is displayed abnormally.
After-image appears on the product.
Problem
After-image appears when the
product is turned off.
Screen color is abnormal.
Problem
Screen has poor color resolution (16
colors).
Screen color is unstable or mono-
colored.
Do black spots appear on the screen?
The operation does not work normally.
Problem
The power suddenly turned off.
D-Sub analog signal - Press the AUTO button in the remote
y
control to automatically select the optimal screen status that fits
into the current mode. If adjustment is not satisfactory, select
[PICTURE] - [Screen] - [Position] in OSD menu.
See if the graphics card resolution and frequency are supported
y
by the product. If the frequency is out of range, set to the
recommended resolution in the Control Panel Display Setting
menu.
Some graphics cards can adjust the size of the screen by itself.
y
Adjust the graphics card settings.
D-Sub analog signal - Press the AUTO button in the remote
y
control to automatically select an optimal screen status that fits
into the current mode. If adjustment is not satisfactory, select
[PICTURE] - [Screen] - [Size] in OSD menu.
D-Sub analog signal - Press the AUTO button in the remote
y
control to automatically select an optimal screen status that fits
into the current mode. If adjustment is not satisfactory, select
[PICTURE] - [Screen] - [Phase] in OSD menu.
The proper input signal is not connected to the signal port.
y
Connect the signal cable that matches with the source input
signal.
If you use a fixed image for a long time, the pixels may be
y
damaged quickly. Use the screen-saver function.
Set the number of colors to more than 24 bits (true color) Select
y
Control Panel - Display - Settings - Color Table menu in Windows.
Check the connection status of the signal cable. Or, re-insert the
y
PC graphics card.
Several pixels (red, green, white, or black color) may appear
y
on the screen, which can be attributable to the unique
characteristics of the LCD panel. It is not a malfunction of the
LCD.
Is the sleep timer set?
y
Check the power control settings. Power interrupted.
y
Resolution
Resolution
Resolution
Resolution