User's Manual

2120
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.
Double images or
'ghosts'.
Perform Auto-Config.
Adjust COLOR at User Mode in OSD Color
Menu.
Picture is dark.
Picture is biased or cut
or too wide.
Monitor is in power saving mode.
Power LED turns into
amber or amber blinking.
Adjust COLOR at User Mode in OSD Color
Menu.
Color is irregular.
Troubleshooting
Check the power connection.
(Refer to page 4)
Power LED is off.
No picture.
Check the signal cable between monitor
and computer. (Refer to page 4)
Perform Auto_config
.
Check the computer connection cable.
(Refer to page 4)
Check the computer power is on.
Message, "No signal."
is displayed on the
screen.
Screen looks to be run
down.
Screen is not clear.
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.
Display is unstable and
trembling.
Remove attaches to the signal line
(Video extension cable and others)
and switch on.
Perform Clock and Adjust PHASE.
Switch off/on the monitor.