LG 32SE3KB-B User Manual

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54
TROUBLESHOOTING
ENGLISH
TROUBLESHOOTING
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Problem
Action
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.
 Does  the  Check signal cable 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.
The Unknown Product message appears when the product is connected.
Problem
Action
Did you install the driver?
y
 Check if the Plug & Play function is supported by referring to the 
video card user manual.
The screen image looks abnormal.
Problem
Resolution
Is the screen position wrong?
y
D-Sub analog signal - Press the "AUTO" button in the remote 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.
y
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.
Do thin lines appear on the 
background screen?
y
D-Sub analog signal - Press the  "AUTO" button in the remote 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.
Horizontal noise appears or the 
characters look blurred.
y
D-Sub analog signal - Press the  "AUTO" button in the remote 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 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.