Auto play on Serato won't stress it out.
If you want to stress test it, put it into 4 deck mode playing tracks on all 4, and then start layering multiple software based FX on top. After that, start triggering the sampler.
If the computer can handle that, there are very few things that you can do to it in the course of normal DJing that will push its limits.
If you buy a new popular brand PC with a decent processor, stress testing probably isn’t necessary. If you buy used, build your own, or buy an unknown brand of computer, it’s a good idea to give it a good test before you try to use it for a DJ gig. Playing music on a computer, if you have ample CPU and memory resources, is not much of a strain on a good PC, but it’s always good to know if your computer is going to overheat. A program like
HWMonitor is important to have running while testing to keep tabs on your computer’s temperatures.
You can get all the tools you need to conduct CPU, graphics, and memory tests for free. Some popular options are …
1. IntelBurnTest – This application uses the same stress-testing engine that Intel uses internally for quality control before shipping out CPUs.
2. FurMark – This application performs a graphics stress test.
3. MemTest86: - This application will test your RAM. You have to boot your PC with a copy of this program, so you need to make a bootable USB version, or a CD version from the download
The two things that fail most in a computer, and there’s not much you can do to test for it, are disk drives and power supplies. Doesn’t matter how much you test your computer beforehand; when they fail, they fail.