HP Dx2250 Hardware Reference Guide - dx2250 MT - Page 16

Installing an Expansion Card The computer has two standard PCI expansion slots that can accommodate an expansion card up to 17.46 cm (6.875 inches) in length. The computer also has one PCI Express x1 expansion slot and one PCI Express x16 expansion slot. 1. Turn off the computer properly through the operating system, then turn off any external devices. 2. Disconnect the power cord from the power outlet and the computer, and disconnect any external devices. 3. Remove the access panel and lay the computer on its side with the opening to internal parts facing up. 4. On the rear panel of the computer, remove the screw that secures the slot cover lock in place (1) and slide the slot cover lock up and away from the slots to remove it from the computer (2). Figure 2-6 Releasing the Slot Cover Lock 5. If you are installing an expansion card for the first time, you must use a flatblade screwdriver to pry out the metal shield on the rear panel that covers the expansion slot. Be sure to remove the appropriate shield for the expansion card you are installing. Removable Shield Top shield Second shield Third shield Bottom shield Expansion Card Type PCI Express x1 PCI Express x16 PCI PCI 10 Chapter 2 Hardware Upgrades ENWW