User's Manual
TFT-LCD Monitor
21
Troubleshooting
Problem Solution
Power LED is dark.
No picture.
Check the power connection. (Refer to Introduction)
OSD, “check RGB
(CVBS, S-VIDEO)” is displayed
on the screen.
Check the the signal cable or signal Source. (Refer to Introduction)
Screen looks to be run down. Perform Auto-config.
Screen is not clear.
Remove attaches to the signal line (Video extension cable and others)
and switch on.
Perform Auto-config.
Adjust clock and PHASE.
Display is unstable and
trembling.
Check the resolution and frequency of computer and video card, and set up
again refer to the current monitor mode and standard signal mode table.
Color is irregular. Adjust COLOR at User Mode in OSD Color Menu.
Double images or ‘ghosts’.
Check the resolution and frequency of computer and video card, and set up
again in reference to the current monitor mode and standard signal mode
table.
Picture is dark. Adjust COLOR at User Mode in OSD Color Menu.
Picture is biased or cut or too
wide.
Perform Auto-config.
Power LED turns into Green
blinking.
Monitor is in DPMS mode.
NO SOUND. Check the voice signal connection code or adjust volume.