Windows
Loud fan noise with normal resource use and thermals
The computer was making an unusual loud fan noise. Technician checked resource usage and CPU, RAM, and SSD thermals, found no issue, and cleared about 50 GB from the C: drive to reduce possible processing stress.
Killed once by someone from XL.net, on 2026-01-30.
Affects
Versions
- Windows
What you see
- Uncharacteristic noise from the computer, described as fan noise
Why it happens
Suspected Cause was not established; no resource-utilization issue was found and CPU, RAM, and SSD thermals were normal.
When it shows up
A computer reports loud or unusual fan noise, but monitoring shows normal resource use and normal CPU, RAM, and SSD thermals.
You are in this case if:
- No resource utilization issues
- CPU, RAM, and SSD thermals all look normal
1 fix below
The steps that killed it
The steps are behind a quick check
There are two ways in and both take a few seconds. Signing in opens the steps on every bug page; so does reading the picture.
Or answer this
Drawing a picture for you.
Can't read it? Sign in instead.
Keeping it away
- Keep enough free space on the C: drive and re-check if the fan noise returns.
Someone from XL.net killed this on a Windows computer on 2026-01-30. It is written up from that one repair, so it cites no outside page.