Computer crashes have a habit of occurring at the most inopportune moments. You can guarantee that everything is going to fail seconds before you were due to hit the Save button.

So, wouldn't it be great if you could tell when a crash was about to happen? It turns out that you can—computer crashes are nowhere near as random as they might appear.

Here are several warning signs that your computer is about to crash, along with some tips on what to do if you come across them.

1. A Noisy Hard Drive