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Figure 92. Installing the SXM2-GPU heat sink
4. Using a Philips #2 screwdriver tighten the screws in the following order to secure the heat sink to the system board:
a. Tighten the first screw three turns.
b. Tighten the screw diagonally opposite to the screw you tightened.
Figure 93. Installing the SXM2-GPU heat sink screws
5. Repeat the procedure for the remaining two screws.
6. Return to the first screw and tighten it.
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PowerEdge C4140 installing and removing system components