Troubleshooting Procedures - Sun Microsystems Sun Blade 1000 Service Manual

4
C H A P T E R

Troubleshooting Procedures

This chapter describes how to troubleshoot possible hardware problems and
suggests corrective actions.
This chapter contains the following topics:
Section 4.1, "Power On Failure" on page 4-2
Section 4.2, "System LEDs" on page 4-2
Section 4.3, "Video Output Failure" on page 4-3
Section 4.4, "Frame Buffer Power Management" on page 4-3
Section 4.5, "Hard Drive or DVD-ROM Drive Failures" on page 4-5
Section 4.6, "Power Supply Troubleshooting" on page 4-6
Section 4.7, "DIMM Failure" on page 4-8
Section 4.8, "OpenBoot PROM On-Board Diagnostics" on page 4-8
Section 4.9, "OpenBoot Diagnostics" on page 4-13
4-1