Maintenance and Troubleshooting 4-9
Table Section 4-3 Problems and Solutions
Problem
Symptom
Solution
Monitor malfunction
Unable to synchronize display.
1
. Adjust the monitor's
synchronization knobs.
2
. Check that the monitor's
resolution matches the video
setting or the video driver used (see
Section 1). The NEC SVGA Monitor
supports up to 1024 x 768. Most
monitors don't support resolutions
above 640 x 480 (VGA monitors).
3
. Check that the utility is not
selecting a refresh rate/resolution
that is not supported by the monitor.
4
. Check that the driver used
matches the capabilities of the
built-in video controller and DRAM.
Wavey display.
1
. Check that the computer and
monitor are not near motors or
electric fields.
Blank display.
1
. Check that built-in VGA (see
Section 2) or optional video board
(if installed) is enabled.
2
. Check that the monitor power
ON/OFF switch is ON.
3
. Check cable connections
between the AC power supply and
monitor.
4
. Adjust brightness and contrast
controls on the monitor.
5
. Check cable connections
between the monitor connector and
the system board (or optional video
board).
6
. Replace system or video board.
7
. Replace monitor.
Communication
error
No or bad data when
communicating.
1
. Check cable connections
between system board and device.
2
. Check that the interface port is
selected.
3
. Test or replace device and
interface cable.
4
. Replace system board.
Summary of Contents for PowerMate 466M
Page 10: ...Contents xiii ...
Page 176: ...Connector Pin Assignments A 15 ...