My RTX 4090's fans go full blast for 5 seconds within 24 hours after reinstalling Windows!
AnandTech Forums: Technology, Hardware, Software, and Deals [Un…
March 8, 2026
I have a Founder's Edition RTX 4090 and I noticed that every time I reinstall Windows at some point within 24 hours after reinstalling Windows my 4090's fans go full blast for 5 seconds, no matter what I'm doing on my PC, whether it's web browsing, playing X-Plane 12, or just sitting there doing nothing in the desktop interface. This happened twice within 24 hours after reinstalling Windows 11 yesterday. I can tell it's the fans or one of the fans on my 4090 because I can tell the difference between the sound of my case's, CPU's, and GPU's fans in this system and I keep my case fans at a fixed speed. My GPU temperatures idle at around 35C at during gaming and Valley benchmarking around low 60's at peak. This happens in every driver I tried for my GPU but recently it happened twice yesterday, about 3 hours apart, and with the latest GPU drivers as of this posting. I owned this card for about 2.5 years and it did it from the start, but I always thought that maybe it was some...
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