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Troubleshooting 8-9
Problems and Solutions
Problem
Symptom
Solution
Memory malfunction
Total memory not recognized.
1. Reseat DIMMs.
2. Systematically swap DIMMs.
3. Check to see if the DIMM configuration
is valid (see Section 4).
4. Replace DIMMs.
5. Replace system board.
Modem board
malfunction
No output from board.
1. Check interrupts (see Section 2).
2. Check DMA channels (see Section 4).
Keyboard or mouse
malfunction
Monitor has prompt, but cannot
input data using keyboard or
mouse.
1. Check keyboard/mouse plugged in.
2. Check password (see sections 2, 4).
3. Disable password (see sections 2, 4).
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 2).
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 built-in video controller
and DRAM.
Wavy display.
1. Check that the computer and monitor
are not near motors or electric fields.
Summary of Contents for POWERMATE 8100 Series
Page 17: ...1 System Overview Configurations Features Components ...
Page 131: ...4 System Board Connectors Jumpers and Sockets Components Pin Assignments Resources ...
Page 189: ...7 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning ...