ASUS Q400A-BHI7N03 Power Jack Replacement

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.

What you need

Step 1 Power Jack

ASUS Q400A-BHI7N03 Power Jack Replacement, Power Jack: step 1, image 1 of 1

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.

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Step 2

Remove the one black 8mm Phillips #0 screw.
Lift and remove the bottom cover panel using the plastic opening tool.

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Step 3

Remove the four 8mm Phillips #0 screws.
Lift and remove the drive.

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Step 4

Remove the single silver 8mm Phillips #0 screw.
Remove the three 8mm Phillips #0 screws.

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Step 5

Remove the seven black 8mm Phillips #0 screws around the perimeter.
Remove the two silver 8mm Phillips #0 screws that are under the battery.

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Step 6

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

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Step 7

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.

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Step 8

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

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Step 9

Tool used on this step:

Tweezers

$4.99

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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.

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Step 10

Remove the five black 8mm Phillips #0 screws.

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Step 11

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

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Step 12

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.

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