Predator Triton 300 se PT314-51s-game stutters, optimize performance

I have a Predator Triton 300 se PT314-51s
gpu 3060, i7 11th, 16gb ram, win 11
Games feels stuttery and I think I thermal throllet often too. I keep the laptop inclined over a support to make it breath below, and I use a second monitor (lenovo freesync 1080p 75hz)
I have some trouble optimizing performances, and I don't know is everything is connected and setted up the right way.
A couple of case scenarios, hunt: showdown, witchfire and arc raiders.
Every software is up-to-date (killer center, bios, intel drivers, gpu drivers, windows)
On arc raider I can't manage to reach stable 60 frames, even in the lowest settings, on Hunt I hardly reach 80 (lowest), on witchfire a lot of stutters.
Than I googled about how the video port are wired, I assumed the HDMI port was wired to the iGPU (intel iris) and the usb-c port to the dGPU, so I bought an usbc-hdmi video cable.
I think it runs a little bit better, but on the nvidia control pannel seems that both those port are wired to the intel iris.

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The main gpu selected, where is possible, is the 3060.
In the bios I didn't find anything able to let me choose to use the 3060 (mux switch?).
I mean, of course games are using the 3060, otherwise I couldn't get 80 frame on hunt: showdown (to heavy for the iGPU iris) but I assume the iGPU is anyway doing some bottleneck.
I read also there was a bug about the first laptop software release that was making the gpu consuming less power, but everything is up to date (I don't know how to verify if I'm affected from this bug or not)
So, I reached the maximum gaming performance that this laptop can give me, or am I missing something and there is something more to squeeze?
Thank for the answers.

[Edited the topic title to include model number]

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GAMING6698

https://community.acer.com/en/discussion/724464/game-stutters-optimize-performance

No optimization can help if your laptop is overheating. While playing games use MSI afterburner for real-time recording and check CPU/GPU temperatures. If temperature is 89°C or more then it's thermal throttling.

And this laptop's HDMI port is connected to dGPU not USB type-C. You need to get hdmi cable, connect to laptop then laptop then set screen to only shown on screen 2 (external monitor). In this way iGPU with disable and you get more performance.

but if there is heating issue then system will lag to protect itself.

Axxo

Stuttering in the Acer Predator Triton 300 SE (PT314-51S) while gaming can stem from a variety of factors, including insufficient power supply, overheating, outdated drivers, or incorrect GPU settings. Addressing these issues can potentially resolve the stuttering.
Here's a more detailed breakdown:

Power Supply:
Insufficient Wattage:
Laptops like the Triton 300 SE, even with powerful components, might have a power supply (PSU) that's not sufficient for demanding tasks like gaming and streaming simultaneously. If you're running multiple applications or using an external monitor, the PSU might struggle to provide enough power, leading to performance drops and stuttering.
Overloading:
Plugging in numerous USB devices, especially a USB hub or a cooler, can also place additional load on the PSU.
Overheating:
High Temperatures:
Laptops can overheat during intense gaming, especially when the cooling system isn't optimized. High CPU and GPU temperatures can cause thermal throttling, which reduces performance to prevent damage.
Monitoring Temperatures:
Use monitoring tools like MSI Afterburner or other similar software to track CPU and GPU temperatures while gaming and streaming.
Drivers and Software:
Outdated Drivers: Ensure your NVIDIA graphics drivers are up-to-date.
Bloatware: Unnecessary or conflicting software (bloatware) can also impact performance and cause stutters.
Predator Sense: Utilize Predator Sense to optimize your laptop's performance settings, particularly the "Balanced" profile, says Acer Community.
GPU Configuration: Ensure your BIOS is configured to prioritize the NVIDIA GPU for gaming.
Game Settings:
In-Game Graphics Settings:
Adjust in-game graphics settings to a lower level if necessary to reduce the load on the GPU.
V-Sync:
Consider enabling V-Sync, which can help reduce tearing and stuttering, says Amazon.com.
Troubleshooting Steps:
Check Power Supply: Ensure you're using the correct power adapter and that it's providing sufficient wattage for your configuration.
Monitor Temperatures: Use software like MSI Afterburner to track CPU and GPU temperatures during gameplay.
Update Drivers: Update your NVIDIA graphics drivers to the latest version.
Disable Bloatware: Uninstall any unnecessary software or applications.
Optimize Predator Sense: Use the Balanced profile in Predator Sense.
Change GPU Configuration: If applicable, change your BIOS settings to prioritize the NVIDIA GPU.
Adjust In-Game Settings: Lower graphics settings in games if necessary.
Enable V-Sync: Enable V-Sync in game settings.
Consider a Clean Windows Install: If all else fails, a clean installation of Windows can sometimes resolve issues related to software conflicts