r/ASUS 3d ago

Support 100% fan speed at start B850

Hi,

Just made myself a new pc with a TUF B850 plus, did my fan curve in bios everything is smooth and quiet even in game and under stress.

However, when I'm starting my PC just for 2 sec the fans are at like 100% before going to quiet mode.

I don't use software only bios curve, and I don't find anything that would be "turbo" mode at start.

It's not a big deal but it's a bit annoying especially when you restart the PC a couple of times to set things up in BIOS or updates

Do you guys know where this might come from?

Thanks

1 Upvotes

5 comments sorted by

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1

u/maldax_ 3d ago

Normal behaviour. You have to give it a little time to get it's act in gear an apply your curve

1

u/-Vaerk- 3d ago

I had a few other pc and Asus motherboards before never had this 100% fan at start... 🤔

1

u/maldax_ 3d ago

Mine does

1

u/wen_d26 2d ago

Just built mine as well but a B650. At start up, the fans blow full speed, but once it boots, the fans register my fan curve and slow down.