f. Battery cable
g. Touchpad FFC
h. 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 fan.
3. Install the wireless card.
4. Install the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
5. Install the memory module.
6. Install the base cover.
7. Follow the procedure in After working inside your computer.
Palm-rest and keyboard assembly
Removing the palm-rest and keyboard assembly
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the memory module.
4. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
5. Remove the wireless card.
6. Remove the speakers.
7. Remove the fan.
8. Remove the heat sink - integrated or the heat sink - discrete, whichever applicable.
9. Remove the 3-cell battery or the 4-cell battery, whichever applicable.
10. Remove the touchpad.
11. Remove the I/O daughter-board cable.
12. Remove the I/O daughter-board.
13. Remove the power button or the power button with optional fingerprint reader, whichever applicable.
14. Remove the power-adapter port.
15. Remove the display assembly.
16. Remove the system board.
NOTE:
When removing the system board to replace/access other parts, the system board can be removed with the
heat sink attached to it in order to simplify the procedure and preserve the thermal bond between the system board and
heat sink.
About this task
NOTE:
The palm-rest and keyboard assembly cannot be further disassembled once all the pre-removal parts procedures
are completed. If the keyboard is malfunctioning and is required to be replaced, replace the entire palm-rest and keyboard
assembly.
The image below shows the palm-rest and keyboard assembly after the pre-removal parts procedures have been performed for
any palm-rest and keyboard assembly replacement.
112
Removing and installing Field Replaceable Units (FRUs)
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