I had Sandy Bridge and now I have Skylake CPU. Work fine most of the time, but crash on some games. I don't know why because error messages are usually ambiguou

I had Sandy Bridge and now I have Skylake CPU. Work fine most of the time, but crash on some games. I don't know why because error messages are usually ambiguous. I also have Haswell on desktop with Windows, so maybe I can check these games on different systems.