User Manual

TFT-LCD Monitor
15
 Troubleshooting
Problem Solution
Power LED is dark.
No picture.
 Check the power connection (Refer to Introduction)
OSD, “check cable.” is
displayed on the screen.
 Check the computer power is on.
Message, “No cable.” is
displayed on the screen.
 Check the signal cable between monitor and computer.
(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.