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Introduction |
| If your Dell Optiplex 745 Ultra Small Form Factor has frequent system crashes, overheats, or performs poorly, the CPU may need replacing. You might also be replacing the CPU during routine maintenance or upgrades. | | | The CPU is a core component of the computer which provides the instructions and processing power a computer needs to function. A faulty or old CPU may cause system instability and poor performance. | | Faulty CPUs can be difficult to diagnoseBefore starting this guide, be sure toreview the [[Dell Optiplex 745 Ultra Small Form Factor Troubleshooting|troubleshooting page|new_window=true]] and test other components by performing stress tests onsuch as the PSU, RAM, and GPU to confirm that the faultydefective part is the CPU. | | Before starting this guidebeginning, ensure the computer is disconnected from a power source and follow. Follow the [guide|153022|Anti-Static Wrist Strap Guide|new_window=true] to ensure vulnerable components are not damaged during the replacement process. |
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