The Sims 4 minimizes before starting

Try starting the game in windowed mode: http://sims4.crinrict.com/en/2014/02/start-game-in-windowed-mode/

If that works, set the game to the same resolution your screen has and then try full screen mode again.

@crinrict Mine is already on windowed mode

Hi @TwixLovesYou, this thread was created back in 2014. You might be better creating a new thread where you'll get more current and relevant advise. Feel free to create one and add any relevant information you feel we'd need to understand what issue you're experiencing is. I'll close this thread here to limit further necroposting. 🙂