
Table 
Error Symptoms
Action/FRU
NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause.
| Hard disk drive LED | With the system power on, measure | 
| fails to light, but | the voltage of hard disk LED connector | 
| system operates | 
 | 
| normally. | 
 | 
| 
 | 
 | 
| 
 | 
 | 
NOTE: Make sure 
| CD may have dirt or foreign material on | ||
| flashes for more | it. Check with a known good disc. | |
| than 30 seconds | CD is not inserted properly. | |
| before LED | ||
| CD is damaged. | ||
| shutting off. | ||
| Software asks to | 
 | |
| reinstall disc. | 
 | |
| Software displays a | 
 | |
| reading CD error. | 
 | |
| 
 | 
 | |
| doesn’t come on | 
 | |
| but works normally. | 
 | |
| 
 | 
 | |
| load or eject when | ||
| the system is | ||
| turned on and its | ||
| eject button is | 
 | |
| pressed and held. | 
 | |
| 
 | 
 | |
| CD may have dirt or foreign material on | ||
| not read and there | it. Check with a known good disc. | |
| are no error codes | Make sure that the  | |
| or messages are | ||
| installed properly. | ||
| displayed. | ||
| 
 | ||
| 
 | 
 | 
82
