Dell P138G Service Manual page 114

4. Remove the base cover.
5. Remove the 3-cell battery
6. Remove the WLAN card.
7. Remove the WWAN card
8. Remove the M.2 2280 SSD
9. Remove the fan.
10. Remove the system board.
NOTE: The system board can be removed with the heat sink attached in order to simplify the procedure and preserve
the thermal bond between the system board and heat sink.
11. Remove the power button
12. Remove the smart card reader
13. Remove the speakers.
14. Remove the display assembly (laptop)
15. Remove the SIM card slot filler
About this task
The following images indicate the location of the palm-rest and provide a visual representation of the removal procedure.
Steps
After performing the preceding steps, you are left with the palm-rest.
114 Removing and installing components
or 4-cell battery.
(optional).
or M.2 2230 SSD.
or power button with optional fingerprint
(optional).
or display assembly
(for non-WWAN configuration).
reader.
(2-in-1).