Troubleshooting; Error Messages - NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 05-1997 Service Manual

4-8 Maintenance and Troubleshooting
Turn the mouse over so that the ball and cover fall into your palm.
4.
Gently push the ball out of the large opening in the side of the ball cover.
5.
6. Clean the mouse as follows:
T
Clean the mouse ball with tap water or tap water and a mild detergent.
T
Dry the mouse ball with a clean, lint-free cloth.
T
Blow into the mouse socket to remove any dust or lint.
7. Gently put the ball back into the mouse ball cover.
8. Fit the ball cover back into the mouse and turn the cover counterclockwise until it
locks in place.

TROUBLESHOOTING

This subsection provides information that helps isolate and repair system malfunctions at the
field level. Step-by-step instructions for diagnosing and solving system hardware problems
are provided.
If disassembly is required, see Section 5. See Appendix A for connector pin assignments.
Switch settings are given in Appendix B.

Error Messages

Messages may appear during the POST or at other times during computer operation.
Table 4-2 describes possible system error messages. Table 4-3 describes possible PCI error
messages.
Figure 4-1 Removing the Mouse Ball Cover