Dell PowerEdge C6320p Owner's Manual page 158

Figure 103. Removing the middle-wall bracket
2. Disconnect all the cables from the upper midplane.
NOTE: Observe the routing of the cable on the chassis as you remove them from the system. Route these cables
properly when you replace them to prevent the cables from being pinched or crimped.
3. Remove the screw that secures the power cable cover to the upper midplane and lift the power cable out.
4. Remove the screws that secure the power cables to the upper midplane.
Figure 104. Removing the power cables and cover
5. Remove the screws that secure the upper midplane to the midplane holder.
6. Lift the upper midplane out.
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