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Cooling fan on HP laptop behaving strangely
Hi All, I've got an HP 2560p Win 7. When I turn the power on the cooling fan switches to lo speed and stays there. When I power off the fan turns on hi speed and stays there. In both cases the battery is in and its getting plug power. Removing the battery makes no difference. Removing battery and unplugging causes the fan to finally go off. I spoke to HP support they said update the bios. I did and it nothing changed; problem remains as before. Laptop is 1.5 yrs old and the problem started about 5 days ago. Up until then the fan was working normally. Any ideas how to fix this? I did some google searches and didn't find and relevant solutions. Thanks! Tom