Introduction

If your laptop screen is cracked or appears dark while the computer is running, replace the screen.

  1. Flip the 4520s upside-down with the front toward you.
    • Flip the 4520s upside-down with the front toward you.

    • Push the two latches below the battery inwards at the same time.

  2. Remove the battery by holding the latches and sliding the battery away from you.
    • Remove the battery by holding the latches and sliding the battery away from you.

    • Use a Phillips #1 screwdriver to remove three 2mm screws where the battery was located.

    • Flip the 4520s over and rotate it so the back is facing you.

    • Use a metal spudger to peel off two rubber caps located on either side of the battery port.

    • Use a Phillips #1 screwdriver to remove the 3mm screws behind the caps.

    • Rotate the 4520s and then open it with the screen facing you.

    • The switch cover is located above the keyboard. Push the switch cover away from you until it comes loose from the 4520s.

    • Lift the switch cover away from the 4520s and set it aside.

    • Use a metal spudger to remove four rubber caps at the bottom of the screen border.

    • Use a Torx (T9) head screwdriver to remove the four 5mm screws beneath the rubber caps.

    • Pry open the tabs behind the border of the screen using a metal spudger.

    • Set the border of the screen aside.

    • Use a Torx (T9) head screwdriver to remove two 5mm screws above the screen, and two more screws below it.

    • The bottom set of screws is installed on the innermost screw holes.

    • Above the screen is a bronze port with a cable connected to it. Disconnect the cable using a metal spudger or your finger.

    • Gently push the back cover away.

    • 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.

    • Place the screen face down.

    • Peel the ribbon cable away from the screen.

    • To open the clamp for the ribbon cable, use a spudger to pry up the metal bar securing it to the screen.

    • Disconnect the cable after freeing it from the metal bar

Conclusion

To reassemble your device, follow these instructions in reverse order.

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Robert Spencer Harrison

Member since: 09/21/2016

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UC Davis, Team 1-3, Oliver Fall 2016 Member of UC Davis, Team 1-3, Oliver Fall 2016

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