4-10 Maintenance and Troubleshooting
Table 4-4 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 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.
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 Section 2).
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 monitor's resolution
matches the video setting or the video
driver used (see Section 1).
3. Check that the utility is not selecting a
refresh rate/resolution that is not
supported by the monitor.
4. Check that the driver used matches the
capabilities of the video board and
DRAM.
Summary of Contents for POWERMATE PRO150
Page 152: ...A 16 Connector Pin Assignments ...
Page 160: ...B 8 System Board Settings ...
