Introduction

It is a common issue among ASUS Q400A laptops to refrain from charging. Among battery and charger issues, it is likely that the power jack isn't operating correctly. The following is a guide explaining how to gain access to the power jack for replacement.

  1. Flip laptop over with the battery facing toward you.
    • Flip laptop over with the battery facing toward you.

    • Slide both tabs with the lock/unlock symbol, near the battery on the right of the notebook, to the unlock position.

    • Grab the top edge of the battery & lift upward to relieve the battery from its slot.

  2. Remove the one black 8mm Phillips #0 screw.
    • Remove the one black 8mm Phillips #0 screw.

    • Lift and remove the bottom cover panel using the plastic opening tool.

    • Remove the four 8mm Phillips #0 screws.

    • Lift and remove the drive.

    • Remove the single silver 8mm Phillips #0 screw.

    • Remove the three 8mm Phillips #0 screws.

    • Remove the seven black 8mm Phillips #0 screws around the perimeter.

    • Remove the two silver 8mm Phillips #0 screws that are under the battery.

    • Flip the device right-side up and pry up the keyboard and touchpad gently using both hands.

    • Release the ZIF (zero insertion force) connector using a plastic spudger.

    • Remove the ribbon cable by hand from the ZIF connector.

    • Do not use too much force when releasing the ZIF connector.

    • Remove the two remaining ribbon cables as described in Step 7.

    • Unscrew the two black 8mm Phillips #0 screws.

    • Firmly grasp each antenna head with a pair of blunt tweezers and detach it by lifting up straight.

    • The antenna cables are connected through small sockets. Small popping sounds when attaching and detaching the antennas are normal.

    • Remove the five black 8mm Phillips #0 screws.

    • Firmly grab the optical drive and remove it by sliding it out.

    • Lift the motherboard gently to completely remove this component from the device.

    • Detach Audio Cable gently by hand and you have now access to replace the power jack.

Conclusion

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

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Wan Ahmad Aiman

Membre depuis le 31/10/2018

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IUPUI, Team S1-G3, Harley Fall 2018 Membre de l'équipe IUPUI, Team S1-G3, Harley Fall 2018

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