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‎02-21-2020 11:51 PM

HP Recommended
Product: Envy 700
Operating System: Microsoft Windows 10 (64-bit)

Sir I have a HP Envy 700 series. I got a error message " 511 cpu fan not detected" & their is a option at bottom left corner press F1 to boot. When I press F1 it's work fine but my cpu fan is not running but pc is working fine. Some times my cpu fan run but some times it's not. Help plz 

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