NEC PowerMate 2000 Series, Service And Reference Manual, Page: 119 / 175

Troubleshooting 7-7
Problems and Solutions
Problem Symptom Solution
Operating system
does not boot
(cont’d) System halts during loading
sequence. 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.
Diskette drive does
not work Lamp on system unit does not
light when diskette is loaded.
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.
Hard drive
malfunction Hard drive lamp does not light
but hard drive can be accessed. 1. Check interface cable connections at
drive and system board.
Hard drive controller failure
message displayed.
1. Check that the IDE channel and hard
drive is enabled in Setup (see Section 2).
Cannot access hard drive. 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.
Memory malfunction Memory not recognized. 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.