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why! N131WU/BU/ZU Battery/BIOS/CMOS Battery Replacement
Felice Suglia and 3 other contributors
Last updated on Sep 18, 2026
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Community-Contributed Guide
An awesome member of our community made this guide. It was not created by iFixit staff.
Introduction
Go to step 1 ↓This guide shows how to remove and replace the battery of a why! N131WU/BU/ZU laptop after accessing it. Turn off and unplug the computer before removing the five screws and disconnecting the battery.
What you need
Parts
Tools
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Remove the frame screws (red).
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Remove the two keyboard screws (green).
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Using the hole provided under the case (see picture), push the keyboard out using a thin screwdriver or some other solid object.
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Hold onto the keyboard as you push the keyboard so as not to damage the two cables still attached.
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(Blue Cable) Push up on the thin black portion on the connector and gently pull out the blue ribbon cable until it comes out.
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(Orange Cable) Remove the orange cable by sliding the gray part of the connector towards the screen, then gently pull on the ribbon cable.
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Unscrew the three screws that were under the keyboard. Be sure to hold onto these.
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After these are removed, you can now remove the lower part of the case from the rest of the computer.
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Remove the five Phillips screws securing the battery.
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Unplug the power connector and lift the battery out in the direction of the arrows to remove it.
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Unplug the white connector: pry up to gradually move the connector
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Peel off the adhesive foam holding the battery
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To reinstall the replacement battery: use double-sided tape
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To reassemble your device, follow these instructions in reverse order.
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1 Guide Comment
Merci beaucoup, tutoriel très bien fait qui nous a beaucoup aidé !
