fan noise noisy dv6 when you turn on / prior bios version?

I just got a brand new Pavilion dv6-2150us. I used it a few hours, with several Turn-off & ons, and everything was nice and quiet in the ignition until I flashed the BIOS to the F.1A version. Now when I turn it on - the second, I click the power button - the fan goes full bore (whooOOOOOOOOOOSSSHHHH) for 3-4 seconds, then settled into a low hum. This happens even after it sat overnight, it is not a question of latent heat. I disabled the 'fan always on' setting in the BIOS, but I still get the WHOOOOSH. Anywhere where I can find the previous BIOS and this flashback in time?

I get the same thing on m Dv6 after upgrading the BIOS. He was supposed to "improving fan behavior" so maybe it's a function of power management where the fan will operate at different speeds what do your do, rather that running at a constant speed. It's the only thing I can think of. My GPU and CPU appear to be running a little hotter on idle but (I have a model with an i7 and GT 230 M). Who knows, he has installed fine, just different past, thus the exact improvement, I don't know.

Tags: Notebooks

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