Post-requisites
1. Replace the system board.
2. Replace the power button with fingerprint reader
3. Replace the I/O board.
4. Replace the display assembly.
5. Replace the fan.
6. Replace the speakers.
7. Replace the wireless card.
8. Replace the coin-cell battery.
9. Replace the hard drive.
10. Replace the solid-state drive.
11. Replace the memory modules.
12. Replace the battery.
13. Replace the base cover.
Replacing the keyboard 79