Lenovo IdeaPad Flex 4-1470 Cmos battery Replacement

Introduction

This guide will help you to replace your CMOS battery; sized similarly to a watch battery, this powers the laptop's real-time clock, and when it fails your computer may have difficulty 'remembering' its hardware settings, causing issues with day-to-day use.

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Étape 1 Lower Case

Lenovo IdeaPad Flex 4-1470 Cmos battery Replacement, Lower Case: étape 1, image 1 de 1

Ensure your computer is completely OFF before starting this guide.
Remove the eight 6 mm screws using a Phillips #0 screwdriver.
Remove the two 11 mm screws using a Phillips #0 screwdriver.

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I have to know how long the pins are in the clips that hold the hinges in place. I don’t want to destroy my tablet.

otlerelron - 11 févr. 2018 Réponse

Mine had ten tiny little star screws. Not Phillips.

Justen Hansen - 23 mai 2022 Réponse

Étape 2

Pry the back cover off by inserting the plastic opening tool at the hinges and wedging it between the Back cover and the body.
Follow along the back edge with the plastic opening tool, lifting the cover off as you go. It is normal to hear snapping/clicking sounds as the back cover is held on by clips.
Remove the cover.

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Étape 3 Cmos battery

Lenovo IdeaPad Flex 4-1470 Cmos battery Replacement, Cmos battery: étape 3, image 1 de 1

Using the JIS #0 screwdriver unscrew the three battery screws.

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Étape 4

Lift up the battery from the long, bottom edge.
Remove the battery from the laptop and place it nearby.

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Étape 5

Remove the red and black annotated cable, pulling white head out of black port as indicated.

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Étape 6

Ply the CMOS battery off with your finger.
The battery is attached to the computer by adhesive, but should come off by pulling with fingers; plying tool should not be necessary.

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