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| Troubleshooting Without Diagnostics | |
Solving Processor Problems |
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| Solving Processor Problems |
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| Problem | Cause | Solution | |
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| Poor performance is | Processor is hot. | 1. Make sure the airflow to the | |
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| experienced. |
| computer is not blocked. | |
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| 2. Make sure the fans are | |
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| connected and working | |
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| properly (some fans only | |
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| operate when needed). | |
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| 3. Make sure the processor | |
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| heatsink is installed properly. | |
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| Power LED flashes Red | Processor is not seated | 1. Check to see that the processor | |
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| three times, once every | properly or not | is present. | |
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| second, followed by a two | installed. | 2. Reseat the processor. | |
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| second pause, and the |
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| computer beeps three |
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| times. Beeps continue for |
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| five iterations after which |
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| the LED flashes will |
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| continue until the problem |
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| is resolved. |
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Solving | |||||
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| Solving |
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| Problem | Cause | Solution | |
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| System will not boot from | Removable Media Boot | Run the Computer Setup utility and | |
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| is not enabled through | enable booting to removable media | ||
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| the Computer Setup | and verify boot order settings. | |
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| utility. |
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| Try a bootable CD in the drive. | ||
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| drive. |
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| Network Server Mode | Run Computer Setup and disable | |
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| is enabled in Computer | Network Server Mode in Security | |
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| Setup. | > Password Options. | |
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| Boot order not correct. | Run Computer Setup and change | |
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| boot sequence in Storage > Boot | |
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| Order. | |
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| Drive is not connected | 1. Reconnect power and data | ||
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| are not detected or driver is | properly or not properly | cables to the drive. | |
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| not loaded. | configured. | 2. Install correct device driver. | |
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| Movie will not play in the | Movie may be | See the documentation that came | |
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| DVD drive. | regionalized for a | with the DVD drive. | |
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| different country. |
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Service Reference Guide, dc7600 |