How to Replace Gateway Laptop CPU Cooling Fan

1. How to Replace Gateway M-6000 CPU Fan
Compatible Fan Part#:
AB6705HX-TB3(SA1)         KSB0405HA(-7D93)
Matched Laptop Model#:
Gateway M-6000 Series    
Gateway M-6305       Gateway M-6307        Gateway M-6308        Gateway M-6309         Gateway M-6312        Gateway M-6315       Gateway M-6316        Gateway M-6317   
Gateway M-6318       Gateway M-6750        Gateway M-6750H     Gateway M-6752         Gateway M-6752        Gateway M-6755       Gateway M-6801M     Gateway M-6802M    
Gateway M-6803M    Gateway M-6804M     Gateway M-6805M     Gateway M-6806M      Gateway M-6808M     Gateway M-6809M     Gateway M-6810M    Gateway M-6815     Gateway M-6816       Gateway M-6817        Gateway M-6821B     Gateway M-6822          Gateway M-6823        Gateway M-6823A     Gateway M-6824       Gateway M-6825J
Gateway M-6826J     Gateway M-6827J      Gateway M-6828B     Gateway M-6829B        Gateway M-6834        Gateway M-6839J     Gateway M-6843       Gateway M-6848