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Sony Vaio PCG-F420 Keyboard Replacement

Introduction

If your keys appear to be broken, replacing the keyboard may be necessary.

To make sure the problem is with the keyboard, follow the trouble shooting guide.

When buying a new keyboard make sure it is compatible with PCG-F420.

CAUTION: Static electricity in your body can ruin your computer. Use an anti-static wristband.

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  1. Sony Vaio PCG-F420 Keyboard Replacement, Battery: étape 1, image 1 de 1

    • The battery is located on the left side of the laptop, as shown by the red circle.

    • Make sure the laptop is disconnected and turned completely off.

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  2. Sony Vaio PCG-F420 Keyboard Replacement: étape 2, image 1 de 1

    • Remove the battery by following these steps.

    • Pull the plastic cover down (indicated by the arrow on the cover) and then swing it upwards to reveal the battery compartment.

    • The battery can now be removed by pulling it.

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  3. Sony Vaio PCG-F420 Keyboard Replacement, Keyboard: étape 3, image 1 de 1

    • Use your Philips #00 screwdriver to unscrew the small screw counterclockwise. This screw is for the audio/visual jacks on the left side of the laptop.

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  5. Sony Vaio PCG-F420 Keyboard Replacement: étape 4, image 1 de 1

    • This will unlock the cover between the keyboard and screen. Gently slide it to the right and lift up. Be sure not to pull the keyboard hard as there are still wires attached. These wires will be dealt with in the next step.

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  6. Sony Vaio PCG-F420 Keyboard Replacement: étape 5, image 1 de 1

    • Lift up the cover and lean it against the display so it is out of the way for the rest of the process.

    • Remove the small screw above the F6 key on the keyboard. Place screw in container to ensure it wont be lost.

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  7. Sony Vaio PCG-F420 Keyboard Replacement: étape 6, image 1 de 1

    • Find the green ribbon as indicated in the picture by the red circle. This is what connects the keyboard to the motherboard.

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  8. Sony Vaio PCG-F420 Keyboard Replacement: étape 7, image 1 de 1

    • To unplug the ribbon cable, use a pair of tweezers to lift up the white bar near the connection to the motherboard. Only lift up the ribbon lightly to release ribbon from the motherboard.

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  9. Sony Vaio PCG-F420 Keyboard Replacement: étape 8, image 1 de 2 Sony Vaio PCG-F420 Keyboard Replacement: étape 8, image 2 de 2

    • Now, you can pull on the ribbon cable and it will detach from the motherboard.

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  10. Sony Vaio PCG-F420 Keyboard Replacement: étape 9, image 1 de 1

    • Your keyboard is now safety detached. Necessary repairs or replacements can be made from here.

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Conclusion

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

Une autre personne a terminé cette réparation.

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Andrew Quayle

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Cal Poly, Team 29-77, Johann Spring 2010 Membre de l'équipe Cal Poly, Team 29-77, Johann Spring 2010

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