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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
■ Video Output Failure—page 4-3
■ Disk Drive or CD-ROM Drive Failure—page 4-3
■ Power Supply Test—page 4-5
■ DIMM Failure—page 4-7
■ OpenBoot PROM On-Board Diagnostics—page 4-8
■ OpenBoot Diagnostics—page 4-13