Bad bearings; get a used replacement fan on E-Bay.
fornewsgroups@shaw.ca wrote:
> x-no-archive:
> Well I have a noisy fan now (I have a Presario R3360US). Driving me
> crazy so I tried opening it up to clean It out and even added a little
> oil. It's worse.
> The funny thing is, if I tip my laptop to approx 40 degrees, the noise
> stops (but I can still hear the fan working).
> Suggestions?
>
> I'm not nuts about spending over $100 for a new fan.
> http://h20141.www2.hp.com/hpparts/Se...2P6AQ7BSJU3R21
>