Quote:
Originally Posted by
Amirreza Kia 
My Acer 5755G fan is very noisy
and when i play games it will not speeding up and cause system overheating !! ( + System Will Shutdown Automatically )
i need your help to guide me how to replace my fan : ( There Is No Screws Or... To Remove Fan

(


You would need to remove the bottom casing to get to the fan. And by the look at it, your fan needs some serious cleaning. Canned air, vacuum cleaner, q-tips should do the trick. Try that first before replacing it.
cheers ...