"Cooling Fan" first battery unloaded, and then the back of the palm rest 4 + 1 keyboard screw teeth, the top two U-shaped box of screws, remove it together, pay attention to indicate the source, do not forget to install where when. This is the demolition of the U-shaped frame to unload two screws, be careful not to dismantle wrong, Fengyun longer. Screws and screw palm rest is the same. Well then, remove the palm rest. Then unplug the cable, this is relatively easy. Also, remove the keyboard. Unplug the keyboard cable, the more difficult to dismantle, carefully point, pull the data line roots, average force, you can pull down.