5 System Diagnostics and
Troubleshooting
This chapter discusses the tools available for diagnosing and troubleshooting system issues.
• "E-Support" on page 132
• "Troubleshooting Checklist" on page 133
• "LED Color Definitions" on page 134
• "HP Insight Diagnostics Offline Edition" on page 135
• "Diagnostic Light Codes" on page 140
• "Troubleshooting Scenarios and Solutions" on page 142
• "Power On Self Test (POST) and Error Messages" on page 165
131