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| Symptom/Error: | FRU/Action. |
|---|---|
| No beep, fan runs, Power-on LED lights, | 1. Processor Cache (90/95) |
| memory may or may not count, and | |
| blinking cursor continuously loops. | |
| Memory count hangs during POST. | 1. System Board Memory |
| Check memory) | 2. Memory Option (if installed) |
| 3. System Board | |
| 4. Processor | |
| No beep, power-on indicator does not come | 1. Adapter Guide/Switch Assembly |
| on, and fan does not run. | 2. Power Supply |
| Important: On computers with a | 3. Control/Speaker Assembly |
| tamper evident switch, when the cover off, | 4. Processor Board (90/95) |
| the switch must be in the 'up' or 'on' | 5. System Board |
| position to supply power to the computer. | 6. Any Device or Adapter |
| Also, the switch might be out of | 7. Bus Adapter |
| adjustment (not making contact). | |
| Remove the switch and form the | |
| contacts. If this is not the problem | |
| see Undetermined Problems | |
| No beep, fan runs, and 000215XX is | 1. System Board Memory |
| displayed. (Check memory) | 2. Processor Board (90/95) |
| 3. System Board | |
| No beep, fan runs, and 000258XX is | 1. System Board |
| displayed. (Check memory) | |
| No beep, fan runs, power-on indicator | 1. System Board |
| is on, and computer hangs during | 2. Processor Board |
| POST with a message displayed. | 3. Power Supply |
| see Undetermined Problems | |
| No beep and the computer is otherwise | 1. Control/Speaker Assembly |
| functional. | 2. Processor Board (90/95) |
| 3. System Board | |
| No beep and the computer is not | 1. System Board |
| functional. | 2. Power Supply |
| see Undetermined Problems | |
| No beep, fan run, power-on indicator | 1. System Board |
| is on, and computer hangs during POST | 2. Processor Board (90/95) |
| with no message displayed. | 3. Any Device or Adapter |
| see Undetermined Problems | 4. Bus Adapter |
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.