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Introduction

Your Asus L406M is an excellent laptop that is light and inexpensive. With a 10-hour battery life, this laptop is an amazing way to work while on the road. If your Asus L406M is not charging properly or losing power quickly, the battery might be damaged or faulty.

A damaged/faulty battery can lead to a laptop having decreased battery life, unexpected shutdowns, longer charging times, overheating issues, and more.

Before using this guide, check the following troubleshooting guides to make sure that battery is not faulty:

If your Asus L406M's charging issues persist, use this guide to help you replace the laptop's battery.

What you need

Step 1 Lower Case

Asus L406M Battery Replacement, Lower Case: step 1, image 1 of 3

Asus L406M Battery Replacement, Lower Case: step 1, image 2 of 3

Asus L406M Battery Replacement, Lower Case: step 1, image 3 of 3

Use an opening tool to remove each of the two rubber feet near the laptop hinges.
The rubber feet are connected using adhesive, so you'll have to use a little bit of force to get them off. If you intend to reuse the feet, take care not to warp or tear them.

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Step 2

Use a Phillips #0 screwdriver to remove the two 6.4 mm-long silver screws.

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Step 3

Use a Phillips #0 screwdriver to remove the remaining eleven 6.4 mm-long black screws securing the lower case.

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Step 4

Insert an opening pick or opening tool into the seam between the lower case and chassis.
Pry around the entire perimeter until the lower case is fully released.
Remove the lower case.

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Step 5 Battery

Asus L406M Battery Replacement, Battery: step 5, image 1 of 3

Asus L406M Battery Replacement, Battery: step 5, image 2 of 3

Asus L406M Battery Replacement, Battery: step 5, image 3 of 3

Remove the two 3.2 mm-long Phillips #0 screws that secure the battery.
Disconnect the battery connector cable and the speaker cable from their motherboard sockets.

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Step 6

Carefully unseat and remove the battery.
Take care not to bend, warp, twist, or puncture the battery.

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Conclusion

To reassemble your device, follow the above steps in reverse order.
For optimal performance, after completing this guide, calibrate your newly installed battery.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.