Einleitung
This replacement guide is to walk you through a screen replacement on your Toshiba Satellite A660-ST3NX2X. Before starting this replacement, make sure you have a replacement screen that is made for this computer. Also, make sure the computer is powered off and completely shut down before completing this replacement.
Werkzeuge
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            Turn the computer over, so the screen is facing down and the battery is positioned in front of you. 
 
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            Locate the two sliding tabs on either side of the battery. 
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            Using both hands, place one finger on each tab and slide them to the sides and away from each other. 
 
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            Peel back all four circular stickers that are located at each corner of the computer frame. 
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            A pair of fine point tweezers was used to complete this. 
 
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            Unscrew all four 5mm screws located underneath the stickers in each corner of the computer frame. 
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            The computer frame should become more loose after the screws are removed. 
 
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            Pry the frame of the screen away from the computer. 
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            A prying tool was used by inserting it in the crack between the frame and the screen and running it along the edges of the frame. 
 
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            Unscrew the three black 4mm JIS screws on each side of the metal frame that is still attached to the side of the screen. 
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            Only two screws are shown in the image. 
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            The metal frame will completely separate from the computer screen. 
 
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            Position the screen in a way that the aluminum backing is exposed. 
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            Peel off the metal-like attachment from the back of the screen. 
 
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To reassemble your device, follow these instructions in reverse order.