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HP Recommended
a6040n
Microsoft Windows 8.1 (32-bit)

I just cleaned dust out of my computer and unfortunately I did not take note of the direction of the fans.  When I removed them. Now that it's time to put them back in, I am not certain on which direction I should have them facing.  I did find this post, and although that is not the same model computer as mine, the inside of that computer actually looks similar to my computer.

https://h30434.www3.hp.com/t5/Desktop-Hardware-and-Upgrade-Questions/Cooling-Fans/m-p/6843291#M16431...

 

1 REPLY 1
HP Recommended

Hi:

 

Yes, I would agree that the case fan vents the air out of the case, but the processor fan always blows the air through the heat sink fins, whether is is mounted on top or alongside of the heat sink.

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