Troubleshooting - Mitsubishi 2060u User Manual

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.
ATTENTION ATTENTION
SIGNAL FREQUENCY SIGNAL FREQUENCY
IS OUT OF RANGE. IS OUT OF RANGE.
FH FH 24.8KHz 24.8KHz FV FV 43.0Hz 43.0Hz
PLEASE CHANGE PLEASE CHANGE
SIGNAL TIMING. SIGNAL TIMING.
• 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
-1-12 -
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.
•
Turn off the monitor and turn
on then.
•
Disconnect all the cables con-
nected to the Upstream ports
and re-connect then.