Installing system board1 Align the system board with the screw holders on the computer.2 Tighten the M2.0 x 5.0 screws to secure the system board to the computer.3 Connect the speaker, power connector, LED board, touchpad, and USH cables to the connectors on the system board.4 Connect the eDP cable to the connector on the system board.5 Place the metal bracket over the eDP cable and tighten the M2.0 x 3.0screw to secure it.6 Remove the metal bracket from the memory module connectors of the system board that was removed.7 Place the metal bracket over the memory module connectors and tighten the M2.0 x 3.0 screws to secure it to the computer.NOTE: If your computer has a WWAN card, then SIM card tray installation is a requirement.8 Install the:a heat sinkb WLAN cardc WWAN cardd SSD carde memory modulef batteryg base cover9 Follow the procedure in After working inside your computer.Removing and installing components 35