Steps
1. For computers shipped with a carbon fiber palm-rest, align and place the microSIM filler in its slot on the palm-rest assembly.
NOTE: The microSIM filler must be transferred to the new replacement palm-rest assembly.
2. Place the palm-rest assembly on a flat surface and perform the post-requisites to install the palm-rest assembly.
Next steps
1. Install the keyboard.
2. Install the power button with optional fingerprint reader.
3. Install the I/O daughter-board.
4. Install the system board.
5. Install the speakers.
6. Install the audio daughter-board.
7. Install the display assembly.
8. Install the WLAN-antenna module, if applicable.
NOTE:
This procedure applies only to computers shipped with a WLAN-antenna module installed on the palm-rest and
keyboard assembly.
9. Install the thermal module.
10. Install the 3-cell battery or the 4-cell battery, whichever applicable.
11. Install the 4G WWAN card or the 5G WWAN card, whichever applicable.
NOTE: This procedure applies only to computers shipped with a WWAN card installed.
12. Install the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
13. Install the base cover.
14. Install the microSIM-card tray.
15. Follow the procedure in After working inside your computer.
Removing and installing components
97