NEC DIRECTION SP B - SERVICE MANUAL 1998 Service Manual page 71

Problem Symptom
CD-ROM/DVD System power not on.
drive
malfunction
Disc tray does not open.
Cannot access CD-ROM/DVD
drive.
No sound from CDs.
Zip drive System power not on
malfunction
Cannot access Zip drive.
Table 4-2 Problems and Solutions
Maintenance and Troubleshooting
Solution
1. Turn system power on.
1. System power not on. Turn system
power on.
2. System power failed. Insert about an
inch of a straightened paper clip into the
emergency eject hole, until the tray
opens.
1. Check that the driver software is
loaded and not corrupted.
2. Check signal and power connections
between the reader, system board, and
power supply.
3. Check the master/slave jumper
settings.
4. Check the IDE cable. Replace as
necessary.
5. Check the power supply. Replace as
necessary.
6. Check the system board. Replace as
necessary.
1. Check that speaker power is on and
volume is adjusted.
2. Check audio software settings.
3. Check the CD disc.
4. Check the drive audio cable. Replace
as necessary.
5. Replace the CD-ROM/DVD drive.
6. Replace the system board.
1. Turn system power on.
1. Check that the Zip drive driver
software is loaded and not corrupted.
2. Check signal and power connections
between the Zip drive, system board,
and power supply.
3. Check the master/slave jumper settings.
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