Dell NOT22362 Owner's Manual page 136

For systems with a 4-cell battery:
Next steps
1. Install the system board.
2. Install the power button.
3. Install the power-adapter
4. Install the display assembly.
5. Install the touchpad.
6. Install the I/O board.
7. Install the UMA heat sink
8. Install the fan.
9. Install the speakers.
10. Install the wireless card.
11. Install the memory modules.
12. Install the M.2 2230 solid-state drive
port.
or discrete heat sink, whichever applicable.
or M.2 2280 solid-state drive (whichever applicable).
Removing and installing Field Replaceable Units (FRUs) 135