Additional note on reassembly, be sure to angle the board and insert the ports under the grounding tabs on the chassis. Make sure not to accidently insert the grounding tab into the port, as it will damage the port.
Removal of the fan is only required if the fan needs to be replaced. Note there are two positions for fan mounting, depending on the heatsink size. The fan must always press against the heatsink.
This is the wifi module, not a "microphone computer chip." The wifi module does not need to be removed, the antenna leads can be disconnected, leaving the module attached to the motherboard.
Great guide. Do you have the part number for the cooling fan/heatsink assembly, and possibly where you can buy a replacement? I’ve only been able to find it on Ali Express, but they’re blocking US purchases.