Troubleshooting

Flowchart 2.5—No Power, Part 4

Continued from

Flowchart 2.4—No

Power, Part 3.

Open

notebook.

 

 

Y

 

 

Loose or

Reseat loose

 

 

 

 

 

 

components and

 

damaged

 

 

boards and

 

parts?

 

 

replace damaged

N

 

 

items.

 

 

 

 

 

 

 

 

 

Close

 

 

 

 

notebook and

 

 

 

 

retest.

 

 

 

 

 

 

 

 

Power on?

Y

Done

N

Replace the following items (if applicable) in the order given. Check notebook operation

after each of the following 2 replacement steps:

1.Internal DC-DC converter, processor, and system board*

2.Internal AC adapter

*NOTE: Replace these items as a set to prevent shorting out among components.

2–16

Maintenance and Service Guide