Einleitung
If your laptop screen is cracked or appears dark while the computer is running, replace the screen.
Werkzeuge
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Flip the 4520s upside-down with the front toward you.
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Push the two latches below the battery inwards at the same time.
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Flip the 4520s over and rotate it so the back is facing you.
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Use a metal spudger to peel off two rubber caps located on either side of the battery port.
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Rotate the 4520s and then open it with the screen facing you.
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The switch cover is located above the keyboard. Push the switch cover away from you until it comes loose from the 4520s.
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Lift the switch cover away from the 4520s and set it aside.
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Pry open the tabs behind the border of the screen using a metal spudger.
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Set the border of the screen aside.
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Use a Torx (T9) head screwdriver to remove two 5mm screws above the screen, and two more screws below it.
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Above the screen is a bronze port with a cable connected to it. Disconnect the cable using a metal spudger or your finger.
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Use a Phillips (PH1) head screwdriver to remove eight 2mm screws from the screen. Four of the screws will be on the left side and four will be on the right.
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Place the screen face down.
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To open the clamp for the ribbon cable, use a spudger to pry up the metal bar securing it to the screen.
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Disconnect the cable after freeing it from the metal bar
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To reassemble your device, follow these instructions in reverse order.
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