Fps drops / Fps not 60(120) / crashes

Hi, I have a problem with my game.My game should run smoothly on 60fps but it doesn't I sometimes have massive fps drops and my fps is below 60 it only stays at 50-55. I have a gaming laptop

with these specs :    CPU :        Intel Core i7 7700HQ @ 2.80GHz

                                RAM :       16,0GB Single-Channel Unknown @ 1198MHz (17-17-17-39)

                    Motherboard :       Micro-Star International Co. Ltd. MS-1799 (U3E1)  

                          Graphics :        Generic PnP Monitor (1920x1080@120Hz)
                                                   ntel HD Graphics 630 (MSI)

                                                   4095MB NVIDIA GeForce GTX 1050 Ti (MSI)

                                                   ForceWare version: 397.64
                                                   SLI Disabled    

This problem does also occurs in DST !

Please help. This problem is very annoying and makes the game not enjoyable.

Also I use no mods.

I have tried everything that's on the internet about this problem and I have yet to find the solution. I also varyfied the game cache like 25 times.

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