NOTE: When replacing/reinstalling the system board, DO NOT install a screw to the screw hole at the top side the
system board.
5. Connect the following cables to the system board:
a. I/O daughter-board FFC
b. eDP cable
c. Power-adapter port cable
d. Keyboard FFC
e. Keyboard-backlight FPC
NOTE: This step applies only to computers shipped with a keyboard backlight installed.
f. Touchpad FFC
g. Speaker cable
6. Close the right display hinge downwards to align the screw holes on the right display hinge to the screw holes on the system
board and the palm-rest and keyboard assembly.
7. Replace the two screws (M2.5x5) to secure the right display hinge to the system board and the palm-rest and keyboard
assembly.
Next steps
1. Install the heat sink - integrated or the heat sink - discrete, whichever applicable.
2. Install the 3-cell battery or the 4-cell battery, whichever applicable.
3. Install the fan.
4. Install the wireless card.
5. Install the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
6. Install the memory module.
7. Install the base cover.
8. Follow the procedure in After working inside your computer.
Removing and installing Field Replaceable Units (FRUs)
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