
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.
| Printing failed. | Make sure that the printer driver is | |
| 
 | properly installed. | |
| 
 | Refer to the service manual for the | |
| 
 | printer. | |
| 
 | Printer. | |
| 
 | Printer cable. | |
| 
 | System board. | |
| 
 | 
 | |
| Printer problems. | Refer to the service manual for the | |
| 
 | printer. | |
| 
 | 
 | |
| 
 | Joystick | |
| 
 | 
 | |
| Game port does not | Connect a joystick to the game port, | |
| respond or does | then execute “Interactive Test/Joystick | |
| not work. | test” in  | |
| 
 | System board. | |
| 
 | 
 | |
| Diagnostic Program | ||
| 
 | 
 | |
| Diagnostics programs | Reboot the system from the diagnostics | |
| cannot be | diskette. | |
| executed. | Load default settings. | |
| 
 | ||
| 
 | Diagnostics diskette. | |
| 
 | Memory module. | |
| 
 | System board. | |
| 
 | 
 | |
| Missing diagnostics | Diagnostics diskette. | |
| files(s). | 
 | |
| 
 | 
 | |
| 
 | Keyboard | |
| 
 | 
 | |
| Some or all keys on | “Keyboard“ on page96. | |
| keyboard do not | 
 | |
| work. | 
 | |
| 
 | 
 | |
| 
 | Power Supply | |
| 
 | 
 | |
| Pressing power | Press and hold power button for 4 secs | |
| switch cannot turn off | to shut down. | |
| system.. (Only unplug | Power switch cable assembly | |
| power cord from | "Power Supply" on page 99. | |
| electrical outlet can | ||
| System board | ||
| turn off system.) | ||
| 
 | ||
| 
 | 
 | |
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