Post-requisites
1. Replace the system board.
2. Replace the power-adapter port.
3. Replace the hard drive.
4. Replace the fan.
5. Replace the heat sink.
6. Replace the solid-state drive/Intel Optane.
7. Replace the I/O board.
8. Replace the display assembly.
9. Replace the memory modules.
10. Replace the wireless card.
11. Replace the battery.
12. Replace the base cover.
58 Replacing the keyboard