Question Gaming PC with 5 fans reboots while gaming?


Aug 22, 2016
Hello. I bought a gaming PC few months ago and I noticed that while playing some games (Fortnite, Shadow of the Tomb Raider, League of Legends) my PC shutdowns and reboots, i check the back of the computer (where one of the fans is) and it's warm. I use MSI Afterburner to increase the fan speed and it kind of works, but it's still warm. I'm not a specialist in computers and hardware stuff so is there a way to prevent the shutdowns or every time I play I'll have to increase the fan speed? The reason why I'm scared is that on Afterburner it shows GPU Temperature Min: 36C Max: 66C and sometimes even with the fan speed at 70-80 it still shows 66C and I don't want to increase the speed to 100 all the time because I've read online that it might damage the fans. (If someone needs this) :
Processor : AMD Ryzen 5 3600 6-core 3.60GHz
RAM: 16 GB
System type: Windows 10 Pro 64-bit
GPU: NVIDIA GeForce GTX 1660 Ti
I also uploaded the photos of my PC (the photos are from the shop's webpage but still)
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