I bought a HP Pavilion dv3-2165ee Entertainment Notebook PC 3 years ago , after a few month I heard a bad noise from its fan whenever I turn my notebook on and after a few minutes it became quiet . But it's about 6 month that I hear this sound all the time my notebook is on , please help me what can i do with this bad noise , is it possible to solve it without opening it's cover ? or not .
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