Re: Sims 3 graphics distorted on new gaming laptop
@Kimmi81 Try Windowed Borderless Gaming and see if it works for you:
https://westechsolutions.net/sites/WindowedBorderlessGaming/
You can also try this tool, which forces vertical sync in DirectX 9 games:
https://community.pcgamingwiki.com/files/file/84-d3doverrider/?changelog=32
On the other hand, if you're still within the return window for this laptop, it's worth considering getting a different one. I'm not saying that this model is defective, because it appears to be fine, but your issue is absolutely not normal and has me concerned enough to suggest that other options are worth pursuing. I don't think it's worth spending a lot of extra money to switch to a laptop that will probably (but not certainly) not have this issue, but for me at least, it would be worth the inconvenience of starting over with a new machine.
I've heard from other players using the same or a lower-end Intel iGPU who can play without any major issues, so it's also not a good sign that your game is crashing on the iGPU. But that might be fixable with a hard fps limit, if you want to try it. I don't know whether Intel has added an fps limiter to its graphics control panel, but if not, RivaTuner Statistics Server works well and is lightweight (and free). It does need to be running while you play, but it can be minimized to the system tray.