NEC PowerMate 2000 Series Service And Reference Manual page 119

Problem Symptom
Operating system System halts during loading
does not boot sequence.
(cont'd)
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.
Problems and Solutions
Solution
1. Power the system off. Check for proper
jumper settings (see Section 2), then power-
on the system.
2. Check condition of selected bootload
device (diskette, CD-ROM disc, or hard disk)
for bad boot track or incorrect OS files.
3. Try booting OS from diskette or disc, or
recopy OS files onto hard disk.
4. Verify correct hard disk is selected.
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 disk and system board.
2. Check hard drive jumper settings.
3. Check AC power adapter. Replace as
necessary.
4. Check hard drive cable and hard drive.
Replace as necessary.
5. Replace system board.
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.
Troubleshooting 7-7