Acer v nitro g791 Fan sound

Jhjh6980
Jhjh6980 Member Posts: 78 Devotee WiFi Icon
edited March 2023 in 2017 Archives
I have a v nitro g791 since 2015
When the laptop boot up acer dust defender work it’s normal ,but at the end ,the right fan make a grinding noise. i have this probem since april 2017. Sometime at boot up the fan don’t make this noise
I made this video .SOUND PROBLEM AT 20 second
m.youtube.com/watch?v=c6NGpM1uQLo
What do you think?

Ps: -while gaming the fan work normally,no sound problem everything ok
-i clean inside the laptop there is no dust



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