4-1
CHAPTER 4
Troubleshooting ProceduresThis 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