Maintenance and Troubleshooting 4-11
Table 4-2 Problems and Solutions
Problem
Symptom
Solution
Hard disk
malfunction (cont’d)
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 sounds.
1.
Check interrupts. Refer to Section 1
for interrupt settings.
2.
Check DMA channels. Refer to
Section 1 for DMA channel settings.
3.
Replace system board.
Keyboard or mouse
malfunction
Monitor has prompt, but
cannot input data.
1.
Check that keyboard/mouse is
plugged in.
2.
Check password (see Section 2).
3.
Disable password (see Appendix B).
4.
Replace keyboard (or mouse).
5.
Replace system board.
Monitor
malfunction
Unable to synchronize
display.
1.
Adjust the monitor's synchronization
controls.
2.
Check that the driver used matches
the capabilities of the video SGRAM.
3.
Check that the monitor's resolution
matches the video setting and supported
video drivers used (see Section 1).
4.
Check that the utility is not selecting a
refresh rate/resolution that is not
supported by the monitor.
Summary of Contents for POWERMATE P2166
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