NEC POWERMATE eco Service And Reference Manual page 83

Problem
External diskette
drive does not work
Hard drive
malfunction
Memory malfunction
LAN malfunction
7-6 Troubleshooting
Problems and Solutions
Symptom
System halts during loading
sequence.
Lamp on external USB diskette
drive unit does not light when
diskette is loaded.
Optical/hard drive lamp does not
light but hard drive can be
accessed.
Hard drive controller failure
message displayed.
Cannot access hard drive.
Memory not recognized.
No output.
Solution
2. Replace the CMOS battery if the date and
time must be set each time the system is
powered on (see Chapter 3).
1. Power the system off. Check for proper
jumper settings (see Chapter 2), then power-
on the system.
2. Check condition of selected bootload
device (diskette, CD-ROM disc, hard drive)
for bad boot track or incorrect operating
system files.
3. Try booting operating system from
diskette or disc, or recopy operating system
files onto hard drive.
4. Verify that correct hard drive is selected.
1. Check the USB cable connection.
2. Replace diskette drive.
3. Replace system board.
1. Check interface cable connections at
drive and system board.
1. Check that the IDE channel and hard
drive are enabled in Setup (see Chapter 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-DIMM (see Chapter 3).
2. Replace SO-DIMM (see Chapter 3).
3. Replace system board (see Chapter 3).
1. Check cable connections at system board
and interface board (see Chapter 3).
2. Replace LAN cable (see Chapter 3).
3. Replace interface board (see Chapter 3).
4. Replace system board (see Chapter 3).