Laptop cpu whine/high pitch noise/annoying?

Dominator

New member
FIRST OFF, let me say that the noise is coming from the CPU area. The noise is NOT coming from the HDD.

I been experiencing with my laptop cpu whining for the past month. When the laptop is plugged in, the whine is very faint and i would have to either pay attention to the noise or put my ear right next to the cpu area to hear it. But whenever i unplug my ac adapter to use the battery power, the whine becomes even louder. Its not that loud but is a definite annoyance when you are trying to do an assignment while hearing the high pitch cpu whine. My laptop is new, i bought it last month and been using it with problem free other than the whine...
Anyone know if i should send this for repair or is it normal for all the laptops in the market?

Sounds exactly like this http://www.youtube.com/watch?v=NSKqlttAp-4&feature=related

Thanks in advance.
 

l33t_hax0r

New member
the CPU itself doesn't make sound, the cpu heatsink/fan would though. it only happens when you start doing something so that confirms that its the cpu fan doing it. i would get a can of stray duster and take the back panel off and see if you can find the cpu fan and get any dust off it. if you can't just dust everything you can. it could have gotten something on it durring manufacturing.
 
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