
Troubleshooting
Flowchart 2.5—No  Power, Part 4
Continued from
Section 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. | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
N
Power on?
Y
Done
Replace the following items (if applicable). Check notebook operation after each replacement:
1.Internal 
2.Internal AC adapter
3.Processor board*
4.System board*
*NOTE: Replace these items as a set to prevent shorting out among components.
| Maintenance and Service Guide | 
