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Dell Vostro 3550 CMOS Battery Replacement

Introduction

This guide will explain in detail how to replace the CMOS battery in the Dell Vostro 3550. An easy way to tell whether the CMOS battery on your device needs to be changed is if your computer suddenly forgets the current day and time.

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  1. Dell Vostro 3550 CMOS Battery Replacement, Unlocking the Battery: étape 1, image 1 de 1

    • Slide the release latches to unlock the battery.

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  2. Dell Vostro 3550 CMOS Battery Replacement, Sliding the Battery: étape 2, image 1 de 1

    • Slide the battery and remove it from the computer.

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  3. Dell Vostro 3550 CMOS Battery Replacement, Keyboard: étape 3, image 1 de 3 Dell Vostro 3550 CMOS Battery Replacement, Keyboard: étape 3, image 2 de 3 Dell Vostro 3550 CMOS Battery Replacement, Keyboard: étape 3, image 3 de 3

    • Turn the laptop right side up. Open the display to reveal the keyboard.

    • Use the metal spudger to pry the keyboard upward from the base. Make sure to pop each of the three clips keeping the keyboard in place.

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  4. Dell Vostro 3550 CMOS Battery Replacement: étape 4, image 1 de 3 Dell Vostro 3550 CMOS Battery Replacement: étape 4, image 2 de 3 Dell Vostro 3550 CMOS Battery Replacement: étape 4, image 3 de 3

    • Carefully lift the keyboard upward to reveal the keyboard ribbon cable.

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  6. Dell Vostro 3550 CMOS Battery Replacement: étape 5, image 1 de 2 Dell Vostro 3550 CMOS Battery Replacement: étape 5, image 2 de 2

    • Lift the black tab on the keyboard cable connector upwards to release the cable.

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  7. Dell Vostro 3550 CMOS Battery Replacement: étape 6, image 1 de 3 Dell Vostro 3550 CMOS Battery Replacement: étape 6, image 2 de 3 Dell Vostro 3550 CMOS Battery Replacement: étape 6, image 3 de 3

    • Pull the ribbon cable away from the connector.

    • Remove the keyboard.

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  8. Dell Vostro 3550 CMOS Battery Replacement, CMOS Battery: étape 7, image 1 de 3 Dell Vostro 3550 CMOS Battery Replacement, CMOS Battery: étape 7, image 2 de 3 Dell Vostro 3550 CMOS Battery Replacement, CMOS Battery: étape 7, image 3 de 3

    • Remove the small cable connected to the left side of the casing.

    • Repeat this step for the three remaining cables on the casing.

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  9. Dell Vostro 3550 CMOS Battery Replacement: étape 8, image 1 de 2 Dell Vostro 3550 CMOS Battery Replacement: étape 8, image 2 de 2

    • Remove the two 5mm Phillips #0 screws to the far right and far left of the motherboard casing.

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  10. Dell Vostro 3550 CMOS Battery Replacement: étape 9, image 1 de 3 Dell Vostro 3550 CMOS Battery Replacement: étape 9, image 2 de 3 Dell Vostro 3550 CMOS Battery Replacement: étape 9, image 3 de 3

    • Using the metal spudger, pry the palmrest assembly from the lower case.

    • Lift off the palmrest assembly to reveal the motherboard.

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  11. Dell Vostro 3550 CMOS Battery Replacement: étape 10, image 1 de 3 Dell Vostro 3550 CMOS Battery Replacement: étape 10, image 2 de 3 Dell Vostro 3550 CMOS Battery Replacement: étape 10, image 3 de 3

    • Use a nylon spudger to pry the CMOS battery from the motherboard.

    • Remove the CMOS battery.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Auteur

avec 3 autres contributeurs

Dylan J. Souza

Membre depuis le 03/22/19

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UMass Dartmouth, Team S8-G6, Bailey Spring 2019 Membre de l'équipe UMass Dartmouth, Team S8-G6, Bailey Spring 2019

UMASSD-BAILEY-S19S8G6

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7 tutoriels rédigés

3 commentaires

Thank you, this saved my day.

Two small things:

- In step 7 I needed to remove four screws (visible in the picture).

- In order to perform step 9, I needed to remove seven screws from the bottom case.

Serge Helfrich - Réponse

Glad you found it helpful!

Dylan J. Souza -

Note: before step 9, we need to remove all the screws from bottom before open the cover!

Thanks for all, it´s helped me A LOT!!!!!

Rodrigo Tognin - Réponse

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