Acer Aspire 5742 CMOS Battery Replacement

Bill Murray et 3 autres contributeurs

Dernière mise à jour le November 14, 2018

5 minutes

Facile

Tutoriel réalisé par la communauté

Introduction

Passez à l'étape 1

Removal of the CMOS battery is a very quick and simple procedure. The CMOS battery will lose its charge over time and cannot be recharged, therefore you will need to replace it from time to time (very infrequently). No special caution is needed to follow this guide other than to be gentle with the laptop and do not to touch any electrical components not mentioned in the guide.

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Étape 1 Battery

Acer Aspire 5742 CMOS Battery Replacement, Battery: étape 1, image 1 de 3

Acer Aspire 5742 CMOS Battery Replacement, Battery: étape 1, image 2 de 3

Acer Aspire 5742 CMOS Battery Replacement, Battery: étape 1, image 3 de 3

Move the battery catch to the "unlocked" position.
Pull back the second spring-loaded battery catch until the battery pops up.
Remove the battery.

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Étape 2 Cover Panel

Acer Aspire 5742 CMOS Battery Replacement, Cover Panel: étape 2, image 1 de 3

Acer Aspire 5742 CMOS Battery Replacement, Cover Panel: étape 2, image 2 de 3

Acer Aspire 5742 CMOS Battery Replacement, Cover Panel: étape 2, image 3 de 3

Turn the notebook around to face you.
There are two Phillips #00 screws securing the cover panel to the rest of the notebook. Remove these screws.

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Étape 3

Acer Aspire 5742 CMOS Battery Replacement: étape 3, image 3 de 3

Use a spudger to release the panel from the plastic retaining clips keeping it in place.
Do not apply too much force, or you may break the clips.
Remove the panel and set it aside.

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Étape 4 CMOS Battery

Acer Aspire 5742 CMOS Battery Replacement, CMOS Battery: étape 4, image 1 de 2

Acer Aspire 5742 CMOS Battery Replacement, CMOS Battery: étape 4, image 2 de 2

After removing the cover panel, you will see the hard drive, the RAM, and the CMOS battery.
The CMOS battery is the silver coin-like object in the center.

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Étape 5

Acer Aspire 5742 CMOS Battery Replacement: étape 5, image 3 de 3

Press the tip of the spudger underneath the CMOS battery with very slight force.
Press down on the opposite side of the battery while prying the battery upward with the spudger.
After the battery is mostly lifted from the slot, you may pull out the battery with your fingers.