Run POST

The following chart provides an overview of when to use the various diagnostic tools to diagnose hardware problems.

no

Run POST

no POST failure

?

System yes boots

?

yes Fault LED lit

?

yes

no

Run SyMON

Run OBDiag

 

no

OBDiag

yes

 

 

 

failure

 

 

 

 

 

 

 

 

?

 

 

 

 

 

 

 

 

 

 

Software or

 

 

 

disk problem

 

 

 

 

 

 

 

 

Replace part

Run SunVTS

Chapter 7 Diagnostics and Troubleshooting 119

Page 147
Image 147
Sun Microsystems 220R manual Run POST no POST failure ?, System yes boots ? yes Fault LED lit ?, Run SyMON, Run OBDiag