Dell OptiPlex 3020 - Removing the Cover

5. intrusion switch
6. heatsink cover
7. heatsink
8. drive cage
1. front I/O
2. system fan
3. system board
4. memory module
5. coin cell
6. speaker
Removing the Cover
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the thumbscrews that secure the cover to the computer. Slide the cover from the
computer.
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