Dell POWEREDGE C6105 Hardware Owner's Manual page 79

1 Turn off the system, including any attached peripherals, and
disconnect the system from its electrical outlet.
2 Remove the system-board assembly. See "Removing a System-Board
Assembly" on page 68.
3 Remove the expansion card. See "Removing the Expansion Card" on
page 75.
4 Remove the two screws securing the expansion-card connector to the
expansion-card bracket. See Figure 3-11.
5 Pull the expansion-card connector away from the expansion-card racket.
See Figure 3-11.
Figure 3-11. Removing and Installing the Expansion-Card Connector
1 screw (2)
3 expansion-card bracket
2 expansion-card connector
Installing System Components | 79