HP dc5700 manual Removing or Installing an Expansion Card

CAUTION Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer.

5.Remove the computer access panel.

6.Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis.

7.On the rear of the computer, a sliding slot cover lock secures the expansion card brackets and expansion slot covers in place. Loosen the captive thumbscrew that holds the slot cover lock in place (1) and slide the slot cover lock up and off the chassis (2).

Figure 2-8Releasing the Slot Cover Lock

8.Before installing an expansion card, remove the expansion slot cover or the existing expansion card.