5
5
TROUBLESHOOTING
PROBLEM
•
Contrast and brightness controls.
LED On
(Green)
•
Power switch.
LED Off
•
AC power cord disconnected.
No
picture
•
Signal cable disconnected.
•
Computer power switch.
LED On
•
Power management function is active.
(Orange)
The following message appeared.
•
Signal cable disconnected.
•
Computer power switch.
•
Power management function is active.
The following message appeared.
•
Input signal frequency range is too high or too low for the
monitor to synchronize with.
•
Do "FACTORY PRESET" or "ALL RESET" for a standard
signal.
•
Display is miss-
Adjust HORIZ-SIZE, VERT-SIZE, HORIZ-POSITION, and
ing, center shifts,
VERT-POSITION with non-standard signals.
or too small or too
•
Monitor may not be able to get full-screen image depend on
large of a display
signal. In this case, please select other resolution, or other
size
vertical refresh timing.
•
Make sure you wait a few seconds after adjusting the size
of the image before changing or disconnecting the signal.
•
[Universal serial bus controller] is not listed in [Device
Manager].
•
[Generic USB HUB] is not listed in [Device Manager].
No operation of
the USB devices
Before calling your Authorized Product Support, please
check that the items below are properly connected or set.
In case of using a non-standard signal, please check the
pin assignments and the signal timing of your computer
with the specification outlined in Section 6. SPECIFICA-
TIONS and Section 7. APPENDIX.
ITEMS TO CHECK
- 12 -
LOCATION
•
Front
•
Front
•
Rear
•
Rear
•
Computer
•
Press any key on the keyboard
or move the mouse.
•
Rear
•
Computer
•
Press any key on the keyboard
or move the mouse.
•
Check the specification of
graphics adapter
•
Front (OSD)
•
Front (OSD)
•
Confirm that Windows98 is in-
stalled into the computer.
•
Make sure of the cable con-
nections.
•
Restart the computer.
•
Switch the monitor off and
switch it on again.
•
Disconnect all the cables con-
nected to the Upstream ports
and re-connect then.