Dell Precision 3640 Tower - Page 76

2. Tighten the captive screws that secure the VR heatsink to the system board [2].
Figure 14. VR heatsink assembly for systems shipped with 65 W or 80 W CPU
Figure 15. VR heatsink assembly for systems shipped with 125 W CPU
3. Install the:
a. Heatsink assembly
b. SSD
c. Graphics card
d. Cover
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Disassembly and reassembly