One long Beep from pc

[GTX 1050 Ti]

When i play gta 5 i get one long beep from my pc, my temps are "
Cpu 76 C
system 77 c
gpu 57 c

[David (PassMark)]

Maybe they are above the Temp warning levels set in BIOS?

[GTX 1050 Ti]

How do i check that? Also here is a vid of what it sounds like https://youtu.be/f2DMXUbuepc

[David (PassMark)]

Could almost be fan noise?

[GTX 1050 Ti]

Isent it too high frequency to be a fan?