HP (Hewlett-Packard) 344524-001 사용자 설명서

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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 
HP Notebook Expansion Base. Carefully match the symptoms of 
the malfunction against the problem description in the 
Troubleshooting tables to avoid a misdiagnosis. Refer to

 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.

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

■

Verify that cables are connected properly to the suspected 
defective part.

■

Verify that all required device drivers are installed on the 
notebook.