Lg Electronics 55SH7DB ユーザーズマニュアル

18

Is the product power cord connected?

 

y

 Check if the power cord is correctly plugged into the power 
outlet

.

 Does the Out of range message 
appear?

 

y

 The signal from the PC (video card) is out of the vertical or 
horizontal frequency range of the product. Adjust the frequency 
range by referring to the Specifications in this manual. 
* Maximum resolution: 1920 x 1080 (60 Hz)

 Does the “No Signal” message appear?

 

y

 The signal cable between PC and product is not connected. 
Check the signal cable.

 

y

 Press the INPUT menu in the remote Control to check the input 
signal.

Did you install the driver?

 

y

 Check if the Plug & Play function is supported by referring to the 
video card user manual.

Is the screen position wrong?

 

y

Check 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.

The screen is displayed abnormally. 

 

y

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

After-image appears when the 
product is turned off.

 

y

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

 

y

When a dark image is displayed on the screen after an image 
with high contrast (black and white or gray), this may cause 
image sticking. This is normal for LCD screen products.