7. Install the new PCI Express card into the appropriate PCI Express card slot on the system board. Then,install the screw to secure the new PCI Express card in place.Figure74. Installing a PCI Express card8. If necessary, connect any cables between the PCI Express card and the system board. See “Locatingparts on the system board” on page 80 to identify the various connectors on the system board.What to do next:• To work with another piece of hardware, go to the appropriate section.• To complete the installation or replacement, go to “Completing the parts replacement” on page 186.Installing or replacing a memory moduleAttention:Do not open your computer or attempt any repair before reading and understanding the “Important safety information”on page 1.This section provides instructions on how to install or replace a memory module.Your computer has two slots for installing or replacing DDR3 DIMMs that provide up to a maximum of 16 GBsystem memory. When installing or replacing a memory module, use 2 GB, 4 GB, or 8 GB DDR3 DIMMsin any combination up to a maximum of 16 GB.To install or replace a memory module, do the following:1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnectall power cords from electrical outlets and disconnect all cables that are connected to the computer.2. Remove the computer cover. See “Removing the computer cover” on page 136.3. Lay the computer on its side for easier access to the system board.4. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 1365. Remove the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 158.Chapter 10. Replacing FRUs (machine types: 10B4, 10B5, 10B6, and 10B7) 141
