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Introduction

If your laptop is not powering on or is not holding a charge, a faulty battery could be the issue. Before starting this guide, it may be helpful to have a secure place to put the screws after they have been removed.

Parts

No parts specified.

  1. Sony Vaio PCG-4121GL Battery Replacement, Battery: step 1, image 1 of 2 Sony Vaio PCG-4121GL Battery Replacement, Battery: step 1, image 2 of 2
    • Remove the two 3mm Phillips #0 screws on the bottom of the computer that secure the plastic backing.

  2. Sony Vaio PCG-4121GL Battery Replacement: step 2, image 1 of 3 Sony Vaio PCG-4121GL Battery Replacement: step 2, image 2 of 3 Sony Vaio PCG-4121GL Battery Replacement: step 2, image 3 of 3
    • Pull the bottom plate towards yourself until it unhinges fully.

    • Once the plate is free from the backing remove it completely.

  3. Sony Vaio PCG-4121GL Battery Replacement: step 3, image 1 of 1
    • Look for the blue tab that is located to the bottom left of the battery.

  4. Sony Vaio PCG-4121GL Battery Replacement: step 4, image 1 of 3 Sony Vaio PCG-4121GL Battery Replacement: step 4, image 2 of 3 Sony Vaio PCG-4121GL Battery Replacement: step 4, image 3 of 3
    • Pull the blue tab towards yourself until you hear a click.

    • Once the blue tab is released, pull up on the battery.

    • Once the battery can move freely, take it out completely.

    • It may be helpful to have a spudger to make it easier to release the blue tab.

Conclusion

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

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McKinley Hubred

Member since: 01/24/2019

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Cal Poly, Team S2-G2, White Winter 2019 Member of Cal Poly, Team S2-G2, White Winter 2019

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