Your friend brings you a laptop that is about $3$ years old. The screen has a tiny crack in the top right corner, the wifi doesn't work well, the touch pad seems worn out, and it doesn't have quite enough memory to run one of the programs he needs. However, he is not ready for a new laptop. If we can make this one work, he will buy a desktop instead for other work.

What are the options? Is it worth replacing the components? Can we make the laptop work? How?