Nitro 5 AN515-55 running slow and overheating. Need advice on Upgrade

My very loved Nitro 5 is dying… :( Its started to randomly go to sleep a few months ago, but lately has been getting very slow and non responsive. I thought it was because the C drive was full so tried to free up some memory and since then it has gotten worse. If I run the Sims tonight the machine gets very hot even with the Fan running on Max and a laptop cooling pad running and is freezing and not responding after a few minutes of running. I have to hold the off button to shut it down, no keys respond.

I am not really a tech head (I just pretend :D ) so I need you guys to speak very basic tech talk to me please.

I am very happy with the Nitro 5 so I want the same but better (Obviously). I would like a 1TSSD and I would like it be compatible with the Sims. Other than that I mainly use it for work which is all cloud based websites and my personal computing consists of Microsoft products and Cricut Design space. Can anyone either recommend a laptop that would suit me or explain how I can find out what the next model up from mine would be?

Your help is greatly appreciated :)

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Axxo

Overheating can be caused by poor ventilation, dust buildup, or failing cooling fans. Prevention: Ensure that your computer is well-ventilated, regularly clean the dust from your components, and check that all cooling fans are functioning correctly. To help reduce the temperature, you can place the Laptop on a hard, flat surface, clean the air vents and fans, adjust power settings, use a cooling pad, or turn off the Laptop when not in use. If necessary, monitoring the temperature and consulting a professional is also recommended.

Get a powerful 5-fan cooling pad the size of your laptop and reduce the Max. Processor Power state to 95% when on power. Also use Balanced Power Plan instead of Maximum Performance Power Plan. Up to 95°C. under heavy load no issues, the CPU can sustain 100°C.Disable NVIDIA/AMD Dedicated graphics card for a while and test your temps.

Also boot in safe mode and open task manager with GPU ENABLED and see if you can check the temperature. If its hot, then graphics is the issue. Undervolting means to decrease power draw for better cooling and higher clocks of the cpu and can be done using Throttle stop.