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Introduction |
| If your [[Topic:Dell Inspiron 1721|Dell Inspiron 1721]] has a loud fan or is prone to overheating, use this guide to replace the internal fan. | | | Internal fans circulate cool air to a heat-sink , allowing the CPU to stay at a low temperature, even during stressful performance. Dusty internal fans will restrict airflow in any device. | | | Before using this guide, verify that the computer is completely shutdown. |
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