5. No Power, Part 4

Continued from Page 3-5,

No Power, Part 3

Open Computer

Loose or

Y

damaged

 

 

parts?

 

 

 

N

 

 

 

 

 

 

 

Close computer

 

and retest.

 

 

 

 

 

N

Power on?

Y

Done

Reseat loose components

and boards and replace damaged items.

Replace these items. Check computer operation after each replacement:

1.Internal DC-DC Converter*

2.Internal AC Adapter

3.Processor board (if applicable)*

4.System board*

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

3-6 Troubleshooting Flowcharts for Portable Computers