No Image Appears - LG LB500K User Manual

Troubleshooting
Check the following before calling for service.

No image appears

No image appears
Is the power cord of the Is the power cord of the
display connected? display connected?
Is the power indicator Is the power indicator
light on? light on?
Is the power on and the Is the power on and the
power indicator green? power indicator green?
Is the power indicator Is the power indicator
amber? amber?
Do you see an "INPUT Do you see an "INPUT
SIGNAL OUT OF SIGNAL OUT OF
RANGE" message on RANGE" message on
the screen? the screen?
Do you see a "NO Do you see a "NO
SIGNAL "message on SIGNAL "message on
the screen? the screen?
No OSD
Do you see
"CONTROLS LOCKED"
when you push any
button?
Check and see if the power cord is connected Check and see if the power cord is connected
properly to the power outlet. properly to the power outlet.
Press the Power button. Press the Power button.
Adjust the brightness and the contrast. Adjust the brightness and the contrast.
If the display is in power saving mode, try moving If the display is in power saving mode, try moving
the mouse or pressing any key on the keyboard the mouse or pressing any key on the keyboard
to bring up the screen. to bring up the screen.
This message appears when the signal from the This message appears when the signal from the
PC (video card) is out of horizontal or vertical PC (video card) is out of horizontal or vertical
frequency range of the display. See the frequency range of the display. See the
'Specifications' section of this manual and 'Specifications' section of this manual and
configure your display again. configure your display again.
This message appears when the signal cable This message appears when the signal cable
between your PC and your display is not between your PC and your display is not
connected. Check the signal cable and try again. connected. Check the signal cable and try again.
Unlocked OSD showing "CONTROLS
UNLOCKED" by pressing the MENU and
button at the same time for 3 seconds.
A11