4 Diagnostics and troubleshooting

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

Topics

Calling support on page 116

Locating ID labels on page 117

Locating warranty information on page 118

Diagnosis guidelines on page 118

Troubleshooting checklist on page 120

HP troubleshooting resources and tools on page 121

HP troubleshooting resources and tools on page 121

Self-troubleshooting with HP Vision Diagnostics on page 135

Self-troubleshooting with HP Advanced System Diagnostics UEFI on page 144

Diagnostic codes and errors on page 149

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HP Z420 D3J34UT#ABA, Z220 F1J90UAABA, B2B94UT B2B94UT#ABA, B5P07UT B5P07UT#ABA manual Diagnostics and troubleshooting