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Chapter 7 Diagnostics and Troubleshooting 119
■ The following chart provides an overview of when to use the various diagnostic
tools to diagnose hardware problems.
System
boots
?
Run SunVTS
Run POST
yes
no
POST
failure
?
yes
no
Replace part
Run OBDiag
OBDiag
failure
?
yes
no
Software or
disk problem
yes
no
Run SyMON
LED lit
Fault
?