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| Troubleshooting Without Diagnostics |
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| Solving General Problems (Continued) |
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Problem | Cause | Solution | |
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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 | |
the keypad. |
| you want to use the arrow keys. The | |
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| Num 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. | Make sure the airflow to the |
experienced. |
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| computer is not blocked. Leave a |
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| back of the system unit and |
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| above the monitor to permit the |
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| required airflow. |
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| 2. | Make sure the fans are |
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| connected and working properly |
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| (some fans only operate when |
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| needed). |
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| 3. Make sure the processor heatsink | |
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| is installed properly. |
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| Hard drive is full. | Transfer data from the hard drive to | |
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| create more space on the hard drive. | |
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| Low on memory. | Add more memory. | |
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| Hard drive fragmented. | Defragment hard drive. | |
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| Program previously | Restart the computer. | |
| 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 virus protection program. | |
| drive. |
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| Too many applications | 1. | Close unnecessary applications |
| running. |
| to free up memory. |
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| 2. | Add more memory. |
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| Cause unknown. | Restart the computer. | |
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Troubleshooting Guide |