Acer Nitro 5 AN515-55-71UB stuttering

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Protector330
Protector330 Member Posts: 4 New User
I recently bought 2 laptop Acer nitro 5 model AN515-55-71UB without the os, as soon as i istalled few games and program i noticed i have, only mine my brothers one is ok, random stuttering while gaming, watching video and even scrolling while i browse the websites i can see cleary when i use the scrolling a page. The stutter does last long around 1 to 2 seconds max but is really annoying to see it my specs were:
intel i7 10750h
ram 8gb
gpu rtx 3060
storage ssd 512gb
i thought it was maybe the ram or the storage so i upgrated
ram 8gb --> 16gb
ssd 512gb --> 1.5tb
but the problem still there, it last lesser around 1 sec but still there and random. I use google chrome thats why i put more ram but nothing. I tried some solution from older topic but it didn't worked can someone help me?

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