Introduction
I am going to explain how to remove the palmrest of the laptop to reach its main board, and other components.
Tools
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            Slide both of the battery release latches on the bottom of the device in towards the center of the computer. 
 
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            Lift and slide the keyboard towards the screen to remove the tabs on the keyboard from the slots on the palmrest. 
 
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            Flip the keyboard over and place it on the front of the device making sure not to pull out the keyboard cable. 
 
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            Lift up the connector latch and remove the keyboard cable. The keyboard is now free from the device. 
 
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            Turn the computer over and open the display as far as possible and remove the four 5 mm Phillips # 0 screw holding the palmrest in place. 
 
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            Disconnect the power button board cable, touch pad cable and the hot key board cable from the connectors. 
 
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            Use a plastic opening tool to carefully pry out the palmrest assembly and lift it off the computer base. 
 
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To reassemble your device, follow these instructions in reverse order.