Need to repair your smartphone, PC, MacBook, or other hardware? Save money and time by doing it yourself.

Dear Lifehacker, I find I'm always fixing my friends' or relatives' computer. I don't mind helping, but I'm getting called out for the same problems over and over. How can I get people to learn ...

But the only reason I know this stuff is because I've poked every corner of the operating system to fix my own annoyances and troubleshoot my own problems.

There’s even a “game” aspect where you can start your own PC repair business — someone sends you a machine that won’t boot, or shuts down randomly, and you get to figure out why that is.

Set for Early Access in March, here's PC Building Simulator's Steam blurb: Build and grow your very own computer repair enterprise as you learn to diagnose, fix and build PCs. With real-world ...

It Works: Electronics Repair Simulator lets you step into the shoes of an electronics technician and repair damaged devices: receivers, phones, speakers, and more.