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Introduction

This guide will provide you with simple and clear steps on how to replace/remove the keyboard on your Acer Chromebook C720-2420.

  1. Acer Chromebook C720-2420 Keyboard Replacement, Back Cover Replacement: step 1, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement, Back Cover Replacement: step 1, image 2 of 2
    • Place your Chromebook upside down.

    • Utilizing the precision magnetized Phillips #0 screwdriver, remove all thirteen 6.5 mm Phillips screws that secure the back cover.

    • Before doing anything, make sure your Acer Chromebook is completely turned off.

  2. Acer Chromebook C720-2420 Keyboard Replacement: step 2, image 1 of 1
    • Use the plastic opening tool to carefully remove the bottom.

  3. Acer Chromebook C720-2420 Keyboard Replacement, Battery: step 3, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement, Battery: step 3, image 2 of 2
    • Remove the two 3.6 mm Phillips screws holding the battery in place.

  4. Acer Chromebook C720-2420 Keyboard Replacement: step 4, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement: step 4, image 2 of 2
    • Disconnect the connector that attaches the battery to the Chromebook with a pair of pliers or tweezers.

    • Alternatively, you could use your hands, as it may be difficult to unhook the connector.

  5. Acer Chromebook C720-2420 Keyboard Replacement: step 5, image 1 of 1
    • Remove the battery.

  6. Acer Chromebook C720-2420 Keyboard Replacement, cooling fan / CPU heat sink assembly: step 6, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement, cooling fan / CPU heat sink assembly: step 6, image 2 of 2
    • Remove the six 4.7 mm Phillips screws that secure the fan.

  7. Acer Chromebook C720-2420 Keyboard Replacement: step 7, image 1 of 3 Acer Chromebook C720-2420 Keyboard Replacement: step 7, image 2 of 3 Acer Chromebook C720-2420 Keyboard Replacement: step 7, image 3 of 3
    • Disconnect these cables from the motherboard using the tweezers.

    • Alternatively, you may use your hands.

    • Pull out the fan.

  8. Acer Chromebook C720-2420 Keyboard Replacement, Memory: step 8, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement, Memory: step 8, image 2 of 2
    • Remove the 3.6 mm Phillips screw that secures the SSD in place.

  9. Acer Chromebook C720-2420 Keyboard Replacement: step 9, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement: step 9, image 2 of 2
    • Pull out the SSD.

  10. Acer Chromebook C720-2420 Keyboard Replacement, Motherboard: step 10, image 1 of 1
    • Disconnect the speaker cable from the motherboard.

  11. Acer Chromebook C720-2420 Keyboard Replacement: step 11, image 1 of 1
    • Disconnect the display cable from the motherboard.

  12. Acer Chromebook C720-2420 Keyboard Replacement: step 12, image 1 of 1
    • Gently pull out the wire for the 2 PIC connectors.

  13. Acer Chromebook C720-2420 Keyboard Replacement: step 13, image 1 of 1
    • Remove the two 3.7 mm Phillips screws that hold the motherboard in place.

  14. Acer Chromebook C720-2420 Keyboard Replacement: step 14, image 1 of 1
    • Lift up the black tab on the ZIF connector to release the ribbon cable.

    • Carefully remove the ribbon cable.

  15. Acer Chromebook C720-2420 Keyboard Replacement: step 15, image 1 of 1
    • Lift up the black tab on the ZIF connector to release the ribbon cable.

    • Gently remove the ribbon cable

  16. Acer Chromebook C720-2420 Keyboard Replacement: step 16, image 1 of 1
    • Lift up the black tab on the ZIF connector to release the ribbon cable.

    • Remove the ribbon cable.

  17. Acer Chromebook C720-2420 Keyboard Replacement: step 17, image 1 of 1
    • Lift up and remove the motherboard.

  18. Acer Chromebook C720-2420 Keyboard Replacement, Keyboard: step 18, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement, Keyboard: step 18, image 2 of 2
    • Remove the speakers located on both left and right bottom corners of the Chromebook with a plastic opening tool.

  19. Acer Chromebook C720-2420 Keyboard Replacement: step 19, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement: step 19, image 2 of 2
    • Remove the two 3.6 mm Phillips screws holding the USB and SD card port with a PH0 screwdriver.

    • Lift out and remove the port.

  20. Acer Chromebook C720-2420 Keyboard Replacement: step 20, image 1 of 3 Acer Chromebook C720-2420 Keyboard Replacement: step 20, image 2 of 3 Acer Chromebook C720-2420 Keyboard Replacement: step 20, image 3 of 3
    • Remove the two 3.6 mm Phillips screws holding the LED sensors.

    • Remove the LED Sensors.

  21. Acer Chromebook C720-2420 Keyboard Replacement: step 21, image 1 of 2 Acer Chromebook C720-2420 Keyboard Replacement: step 21, image 2 of 2
    • Flip up the black tab on the ZIF connector to release the ribbon cable.

    • Remove the ribbon cable.

    • This ribbon is fragile, do not use excessive force.

  22. Acer Chromebook C720-2420 Keyboard Replacement: step 22, image 1 of 1
    • Leave only the single ribbon cable.

Conclusion

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

4 other people completed this guide.

Jessica Beckford

Member since: 02/12/2018

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4 Guides authored

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USF Tampa, Team S15-G4, Boczar Spring 2018 Member of USF Tampa, Team S15-G4, Boczar Spring 2018

USFT-BOCZAR-S18S15G4

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2 Comments

Huh? This doesn’t tell how to replace the keyboard.

Dave Burton - Reply

After the last step unscrew the 3 screws at the top of the device holding the display assembly to the top portion, then bend those up and you can pull the whole cover with the keyboard and touchpad off and slide the new one in.

Jacob Pearlson -

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