KM400T-8X Series
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Chapter 4: Troubleshooting
Problem 1:
No power to the system. Power light does not illuminate. Fan inside power supply does not turn on.
Indicator lights on keyboard are not lit.
Causes:
1. Power cable is unplugged.
2. Defective power cable.
3. Power supply failure.
4. Faulty wall outlet; circuit breaker or fuse blown
Solutions:
1. Make sure power cable is securely plugged in.
. Replace cable.
3.Contact technical support.
4.Use different socket, repair outlet, reset circuit b
or replace fuse.
Problem 2:
System inoperative. Keyboard lights are on, pow
t
system seems “hung”
Causes: Memory DIMM is partially dislodged fro
the mainboard.
Solutions:
1. Power Down
2. Using even pressure on both ends of the DIMM, press down firmly until the module snaps into
place.
Problem 3:
System does not boot from the hard disk drive but can be booted from the CD-ROM drive.
Causes:
1. Connector between hard drive and system board
2. Damaged hard disk or disk controller.
3. Hard disk directory or FAT is corrupted.
Solutions:
1. Check the cable running from the disk to the disk controller board. Ma
securely attached. Check the drive type in the standard CMOS setup.
2. Contact technical support.
3. Backing up the hard drive is extremely importa t. Make sure you periodically perform backups to
.
2
reaker
er indicator lights are lit, hard drive is active bu
m the slot on
unplugged.
ke sure both ends are
n
avoid untimely disk crashes.
