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| Troubleshooting Without Diagnostics | |
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| Problem | Cause | Solution | |
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| Computer date and time | RTC | First, reset the Date and Time | |
| display is incorrect. | battery may need to be | Properties in the Control Panel | |
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| replaced. | (Computer Setup can also be used to | |
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| ✎ MConnecting the | update the RTC date and time). If the | |
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| problem persists, replace the RTC | ||
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| computer to a live | ||
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| AC outlet prolongs | battery. See the Hardware Reference | |
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| the life of the | Guide on the Library CD for | |
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| RTC battery. | instructions on installing a new | |
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| battery. | |
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| Cursor will not move | The Num Lock key | Press the Num Lock key. The | |
| using the arrow keys on | may be on. | Num Lock light should not be on if you | |
| the keypad. |
| want to use the arrow keys. The Num | |
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| Lock key can be disabled (or | |
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| enabled) in Computer Setup. | |
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| Poor performance is | Processor is hot. | 1. Ensure airflow to the computer is | |
| experienced. |
| not blocked. Leave a | |
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| cm) clearance on all vented sides | |
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| of the computer and monitor to | |
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| permit required airflow. | |
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| 2. Ensure fans are connected and | |
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| working properly (some fans only | |
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| operate when needed). | |
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| 3. Ensure the processor heatsink is | |
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| installed properly. | |
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| Poor performance is | Hard drive is full. | Transfer data from the hard drive to | |
| experienced (continued). |
| create more space on the hard drive. | |
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| Low on memory. | Add more memory. | |
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| Hard drive is fragmented. | Defragment hard drive. | |
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| Program previously | Restart the computer. | |
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| accessed did not release |
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| reserved memory back to |
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| the system. |
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| Virus resident on the hard | Run the virus protection program. | |
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| drive. |
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| Too many applications | 1. Close unnecessary applications to | |
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| running. | free up memory. | |
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| 2. Add more memory. | |
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Service Reference Guide |