A fan (guessing GPU) makes an odd sound when a game is active. Alt-tabbing lowers the sound, but going back raises the sound again.
Here's a video of the sound. At 5 seconds, I alt-tab into a game so you can hear the difference.
I've checked the wire connections and seen if there are any blockages. I dusted the PC just to be safe and it was still no help.
Here's a video of the sound. At 5 seconds, I alt-tab into a game so you can hear the difference.
I've checked the wire connections and seen if there are any blockages. I dusted the PC just to be safe and it was still no help.