4-1
CHAPTER 4
Troubleshooting Procedures
This chapter describes how to troubleshoot possible hardware problems and
includes suggested corrective actions.
This chapter contains the following topics:
Power-On Failure—page 4-2
VideoOutput Failure—page4-3
Disk Drive or CD-ROM Drive Failure—page4-3
Power Supply Test—page4-5
DIMM Failure—page 4-7
OpenBoot PROM On-Board Diagnostics—page4-8
OpenBoot Diagnostics—page 4-13