Maintenance and Troubleshooting 4-9
Table Section 4-6 Problems and Solutions
Problem
Symptom
Solution
Diskette drive does
not work
Lamp on drive panel does not
light when diskette is loaded.
1
. Check power and signal cable
connections between diskette drive,
system board, and power supply.
2
. Check diskette drive jumpers.
3
. Check power supply and replace
diskette cable.
4
. Replace diskette drive.
5
. Replace system board.
Hard disk
malfunction
Hard disk drive lamp does not
light but hard disk drive can
be accessed.
1
. Check cable connections between
lamp and system board.
Hard disk controller failure
message displayed.
1
. Check that the IDE port and hard disk
drives are enabled in Setup.
Cannot access hard disk.
1
. Check signal/power connections
between hard disk, PCB, power supply.
2
. Check drive jumper settings.
3
. Check power supply.
4
. Check hard disk cable and hard disk.
Replace as necessary.
5
. Replace system board (or hard disk
controller PCB if the system board
controller is not used).
Memory
malfunction
Total memory is not
recognized.
1
. Reseat SIMMs.
2
. Systematically swap SIMMs.
3
. Check to see if the SIMM configuration
is valid (see Section 3).
4
. Replace SIMMs.
5
. Replace system board.
Sound malfunction
No output from both the 8-bit
and 16-bit digitized sounds.
1.
Check interrupts. Refer to Section 1 for
interrupt settings.
2.
Check DMA channels. Refer to
Section 1 for DMA channel settings.