The GPU cooler makes noise only when you push on one side.
The GPU cooler makes noise only when you push on one side.
Identified the issue. The fan was completely impacting the shroud, with visible scratches on one side—initially puzzling, but later realized two blades were damaged. A significant crack allowed blades to bend outward at higher speeds and strike the shroud. Thanks for the link I received! Now I understand how to replace it. Updated: I was too careless and cheap to get a new fan, so I simply superglued it back together. It functions perfectly now.