6 Diagnostics and troubleshooting

This chapter describes the tools available for diagnosing and troubleshooting system issues, and includes these topics:

Topics

Calling technical support on page 109

Locating ID labels on page 109

Locating warranty information on page 110

Diagnosis guidelines on page 111

Troubleshooting checklist on page 113

HP troubleshooting resources and tools on page 114

Troubleshooting scenarios and solutions on page 116

Self-troubleshooting with HP Vision Field Diagnostics on page 126

Diagnostic codes and errors on page 134

108 Chapter 6 Diagnostics and troubleshooting

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HP Z400 H2D81US, VA799UT 799UT#ABA manual Diagnostics and troubleshooting, Topics