18 | GX2MP Display
Appendix
Troubleshooting
Problem
Possible Cause
Solution
No image on
the screen.
Computer or display is
not powered on.
Turn on computer or display.
Power cord is not
securely connected.
Tighten power cord connection and turn
on computer.
Improper video cable
connection.
Make sure the video cable is properly
connected to the computer and to the
display, to prevent the “Check Signal Cable”
message.
Signal from the
video card is out of
horizontal or vertical
frequency range of
the display.
Check the Video Modes table on page
page 22 and configure the display again.
Erroneous settings.
When the power indicator is blue, adjust
the brightness and the contrast.
Display is in power-
saving mode.
Move the mouse or strike a key on the
keyboard to activate the screen.
Make sure the computer is turned on.
OSD LOCKED
message on
the screen.
MENU is locked.
Press MENU for several seconds. The OSD
UNLOCKED message appears.
Display is not
functioning.
Display driver has not
been installed.
Install the display driver that ships with the
video card you have installed.
“Unrecognized
monitor, Plug & Play
(VESA DDC) monitor
found” message on
the screen.
Video card does not
support Plug and Play
function.
Check the specification of your video card.
Replace the card if it does not support the
Plug and Play function.
