NEC POWERMATE 2000 Service And Reference Manual page 128

Problem Symptom
Diskette drive does Lamp on system unit does not
not work light when diskette is loaded.
Hard drive Hard drive lamp does not light
malfunction but hard drive can be accessed.
Hard drive controller failure
message displayed.
Cannot access hard drive.
Memory malfunction Memory not recognized.
Network board No output.
malfunction
7-8 Troubleshooting
Problems and Solutions
Solution
1. Check interface cable connections at the
diskette drive and system board.
2. Check diskette drive interface cable.
Replace as necessary.
3. Check AC power adapter, replace if
necessary.
4. Replace diskette drive.
5. Replace system board.
1. Check interface cable connections at
drive and system board.
1. Check that the IDE channel and hard
drive is enabled in Setup (see Section 2).
1. Check interface cable connections
between hard drive and system board.
2. Check AC power adapter. Replace as
necessary.
3. Check hard drive jumper settings and
BIOS hard drive settings.
4. Check if hard drive was transferred
between systems and that the password
security feature is enabled in the BIOS.
5. Check hard drive. Replace as necessary.
1. Reseat SO-DIMMs.
2. Systematically swap SO-DIMMs.
3. Check to see if the SO-DIMM
configuration is valid (see Section 4).
4. Replace SO-DIMMs.
5. Replace system board.
1. Check interrupts (see Section 2).
2. Check cable connections at network
board and LAN connector board.
3. Replace network board cable.
4. Replace LAN connector board (see
Section 3).
5. Replace network board (see Section 3).