NEC POWERMATE CT 815 Service And Reference Manual page 117

The versatile, corporate standard, desktop computer powermate
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Problem
Symptom
CD-ROM drive
No sound from CDs.
malfunction
(cont'd)
Cannot access CD-ROM
drive.
Problems and Solutions
Solution
1.
Check that speaker power is on and volume is
adjusted.
2.
Check audio software settings.
3.
Check the CD.
4.
Check the CD-ROM drive audio cable
connections.
5.
Check the CD-ROM drive audio cable.
Replace as necessary.
6.
Replace the CD-ROM drive.
7.
Replace the system board.
1.
Check that the CD-ROM driver software is
loaded and not corrupted.
2.
Check signal and power connections between
the CD-ROM drive, system board, and power
supply.
3.
Check the master/slave jumper settings (see
Section 2).
4.
Check the IDE cable. Replace as necessary.
5.
Check the power supply. Replace as
necessary.
6.
Check the system board. Replace as
necessary.
Troubleshooting 7-9

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