Introduction

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

Flip the 4520s upside-down with the front toward you. Push the two latches below the battery inwards at the same time.
  • Flip the 4520s upside-down with the front toward you.

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

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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.

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Use a Phillips (PH1) head screwdriver to remove three 2mm screws where the battery was located. Use a Phillips (PH1) head screwdriver to remove three 2mm screws where the battery was located.
  • Use a Phillips (PH1) head screwdriver to remove three 2mm screws where the battery was located.

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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.
  • 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.

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Use a Phillips (PH1) head screwdriver to remove the 3mm screws behind the caps.
  • Use a Phillips (PH1) head screwdriver to remove the 3mm screws behind the caps.

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Black Friday
Broken doesn't stand a chance.
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.
  • 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.

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

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

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

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

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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.
  • 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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Gently push the back cover away.
  • Gently push the back cover away.

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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. Place the screen face down. Place the screen face down.
  • 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.

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Peel the ribbon cable away from the screen. Peel the ribbon cable away from the screen. Peel the ribbon cable away from the screen.
  • Peel the ribbon cable away from the screen.

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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. Disconnect the cable after freeing it from the metal bar
  • 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

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Conclusion

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

Robert Spencer Harrison

Member since: 09/21/2016

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4 Guides authored

Team

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

UCD-OLIVER-F16S1G3

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