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Troubleshooting, Troubleshooting checklist, Problems and solutions – HP 463777-001 User Manual

Page 21: 2 troubleshooting

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Maintenance and Service Guide

2–1

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Troubleshooting

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WARNING: Only authorized technicians trained by HP should repair this equipment. All troubleshooting and repair

procedures are detailed to allow only subassembly-/module-level repair. Because of the complexity of the individual boards and

subassemblies, do not attempt to make repairs at the component level or modifications to any printed wiring board. Improper

repairs can create a safety hazard. Any indication of component replacement or printed wiring board modification may void

any warranty or exchange allowances.

This chapter contains troubleshooting information for the docking station. Carefully match the symptoms of
the malfunction against the problem description in the troubleshooting tables to avoid a misdiagnosis. Refer to

Chapter 4, “Removal and replacement procedures,”

for all removal and replacement procedures.

Follow these guidelines when troubleshooting:

Complete the recommended actions in the order in which they are given.

When the problem is resolved, do not complete the remaining troubleshooting steps.

Troubleshooting checklist

When troubleshooting a problem, check the following list for possible solutions before replacing parts:

Be sure that cables are connected properly to the suspected defective part.

Be sure that all required device drivers are installed.

Problems and solutions

The following tables list possible problems, the possible cause of each problem, and the recommended solution.