NEC POWERMATE P - SERVICE MANUAL 1996 Service And Reference Manual page 114

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4-10
Maintenance and Troubleshooting
Problem
Monitor malfunction (cont'd)
CD-ROM
Malfunction
Communication
Error
Table Section 4-6 Problems and Solutions
Symptom
Blank display (cont'd)
System power not on.
Disc tray does not open.
No or bad data when
communicating.
Solution
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.
1. Turn system power on.
1. System power not on. Turn
system power on.
2. System power failed. Insert
a jewelers screwdriver into the
emergency eject hole and turn
counterclockwise to open the
tray, clockwise to close the tray.
1. Check cable connections
between system board and
device.
2.
Check that the interface port
is selected.
3.
Test or replace the device
and interface cable (see the
device documentation for
troubleshooting).
4.
Replace system board.

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