
Troubleshooting
2.5 No Power, Part 4
Continued from
Section 2.4,
No Power, Part 3.
Open
computer.
| 
 | 
 | Y | 
 | |
| 
 | Loose or | Reseat loose | ||
| 
 | 
 | 
 | ||
| 
 | 
 | 
 | components and | |
| 
 | damaged | 
 | 
 | boards and | 
| 
 | parts? | 
 | 
 | replace | 
| N | 
 | 
 | damaged items. | |
| 
 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
| 
 | Close | 
 | 
 | 
 | 
| 
 | computer and | 
 | 
 | 
 | 
| 
 | retest. | 
 | 
 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
N
Power on?
Y
Done
Replace the following items, if applicable. Check computer operation after each replacement:
1.Internal 
2.Internal AC adapter
3.Processor board*
4.System board*
*Replace these items as a set to prevent shorting out among the components.
| Maintenance and Service Guide |