PC acting weird

Hello,

A week ago my pc started to act weird, on startup the fan would make a very loud noise for a couple of minutes, whilst not being able to display anything on screen, after the noise passed I needed to reboot my PC and it would work fine.
This happened for a couple of days without getting worse, but then everytime I started my PC it would be that problem and it would go to recovery as well.
Now as of this morning things were still managable, but this morning I started my PC, the problems took longer than before and the only sound that my headset makes is the sound of snow on a screen but very very loud. It sounds like noise.
So now I'm writing this, with all system sounds muted, hoping that someone knows the awnser because it seems to be getting worse.

Thank you in advance.