4-6 Maintenance and Troubleshooting
Problems and Solutions
Problem Symptom Solution
Computer halts during loading
sequence. Power the comput er off. Check for proper
jumper settings, then power on the
computer.
Check condition of selected bootload
device (diskette or hard drive) for bad boot
track or incorrect OS files.
Try booting OS from diskette or recopy OS
files onto h a rd drive.
Verify correct hard drive is selected.
Diskette drive does not
work Lamp on drive panel does not
light when diskette is loaded. Check power and signal cable connections
between diskette drive, system board, and
power supply.
Check disket te drive jump ers.
Check disket te cable. Rep l ace as
necessary.
Check power supply.
Replace diskette drive.
Replace system board.
Hard drive ma lfunction Hard drive l amp does not li ght
but hard drive can be accessed. Check cable connections between lamp
and system board.
Hard drive c o ntroller fa ilure
message displayed. Check that the IDE port and hard drives
are enabled in Setup.
Cannot access the hard drive. Check signal/power connections between
hard drive, system board, and power
supply.
Check hard dr ive jumper s et tings.
Check power supply.
Check hard drive cable and hard drive.
Replace as necessary.
Replace system board (or hard disk
controller board if the system board
controll er is not used).
Memory mal function Total mem ory not rec ognized. Reseat DIMMs .
Systematically swap DIMMs.
Check to see i f t he DIMM config uration is
valid (see Sec tion 3, “Opt i on Install a tion”).
Replace DIMMs.
Replace system board.