You're welcome

That is one downside to gaming Laptops, dust builds up on the Fan.
If you encounter stutter again, you might want to re-paste the CPU and GPU, doing so is recommended to solve most heating issues, often stock paste is poorly applied and dries out and goes crusty, making the connection between the heatsink and GPU weak, it will not be able to affectively cool the GPU.

I forgot to mention you can use MSI Afterburner to do things like monitor GPU and adjust Fan speed and many other useful things: https://www.msi.com/Landing/afterburner/graphics-cards.

Hopefully it stays cool with the pad, goodluck!