To solve your problem with fraps, just click F9 on your keyboard while ingame. Your yellow FPS at the top corner of your screen should turn red. Red signifies that you're recording. When you're done, click F9 again. Usually Frap files are huge, so you might want to use a converter!
Dxtory or OBS is the way to go, OBS is free it is just confusing to setup and Dxtory is also confusing to setup but i believe that it uses less cpu power thank OBS. If you are going to make good quality HD video never use fraps.
I always used ManyCam. You can buy it if you want extra stuff, but you can do a lot of stuff for free! You can set up a webcam, a mic, and record your game! Plus, it has a bunch of special effects and it's really easy to use and get more effects. You can even make your own if you want I'm pretty sure it has unlimited recording time, too!