Introduction

The trackpad replacement for the Acer Chromebook C740 requires removing the back panel, removing the battery, unplugging a ribbon cable, and removing several screws.

  1. Power down the Chromebook and disconnect the power adapter.
    • Power down the Chromebook and disconnect the power adapter.

  2. Place the chromebook bottom side up on a flat surface. Remove the thirteen 7 mm screws with a Phillips #0 screwdriver.
    • Place the chromebook bottom side up on a flat surface.

    • Remove the thirteen 7 mm screws with a Phillips #0 screwdriver.

  3. Insert the plastic opening tool into the slit near the hinges and pry upwards to lift the back panel. Applying pressure may be necessary. A click indicates the panel is ready to come off. Applying pressure may be necessary. A click indicates the panel is ready to come off.
    • Insert the plastic opening tool into the slit near the hinges and pry upwards to lift the back panel.

    • Applying pressure may be necessary. A click indicates the panel is ready to come off.

  4. Unplug the white 8-wire battery connector from the motherboard  by using a spudger to push the two L-shaped indentations towards the battery. The connector is a tight fit. This process requires going back-and-forth between the two indentations and plenty of patience. The connector is a tight fit. This process requires going back-and-forth between the two indentations and plenty of patience.
    • Unplug the white 8-wire battery connector from the motherboard by using a spudger to push the two L-shaped indentations towards the battery.

    • The connector is a tight fit. This process requires going back-and-forth between the two indentations and plenty of patience.

  5. Remove the the two 3.7 mm screws with a Phillips #0 screwdriver. Remove the the two 3.7 mm screws with a Phillips #0 screwdriver.
    • Remove the the two 3.7 mm screws with a Phillips #0 screwdriver.

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  7. Lift the battery from the frame.
    • Lift the battery from the frame.

  8. Pull the black wire out from under the the black center clips and up from the gray outer clips with a spudger. Pull the black wire out from under the the black center clips and up from the gray outer clips with a spudger. Pull the black wire out from under the the black center clips and up from the gray outer clips with a spudger.
    • Pull the black wire out from under the the black center clips and up from the gray outer clips with a spudger.

  9. Use a spudger to lift the black clip on the small purple ribbon cable connector to the left of the touchpad. Pull the ribbon cable out from the connector.
    • Use a spudger to lift the black clip on the small purple ribbon cable connector to the left of the touchpad.

    • Pull the ribbon cable out from the connector.

  10. Remove the five 2.5 mm screws with a Phillips #0 screwdriver. Remove the five 2.5 mm screws with a Phillips #0 screwdriver.
    • Remove the five 2.5 mm screws with a Phillips #0 screwdriver.

  11. Remove the four 2.8 mm screws with a Phillips #00 screwdriver. Remove the four 2.8 mm screws with a Phillips #00 screwdriver.
    • Remove the four 2.8 mm screws with a Phillips #00 screwdriver.

  12. Wiggle off the silver bracket with your fingers. Wiggle off the silver bracket with your fingers.
    • Wiggle off the silver bracket with your fingers.

  13. Remove the black tape on the left side of the touchpad. Remove the black tape on the left side of the touchpad.
    • Remove the black tape on the left side of the touchpad.

  14. Lift off the black plastic cover with the plastic opening tool. Lift off the black plastic cover with the plastic opening tool.
    • Lift off the black plastic cover with the plastic opening tool.

Conclusion

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

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Flor De La Rosa

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Cal Poly, Team S22-G2, Livingston Spring 2017 Membre de l'équipe Cal Poly, Team S22-G2, Livingston Spring 2017

CPSU-LIVINGSTON-S17S22G2

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