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*Read guide note* How to rebuild a laptop CMOS battery

Qué necesitas

  1. *Read guide note* How to rebuild a laptop CMOS battery, Determine what battery you need: paso 1, imagen 1 de 2 *Read guide note* How to rebuild a laptop CMOS battery, Determine what battery you need: paso 1, imagen 2 de 2
    • Most laptops use a CR2032 or 2025 cell - the CR2016 is uncommon.

    • Take the battery apart and check out what cell you need. This may be difficult depending on the wrap used.

  2. *Read guide note* How to rebuild a laptop CMOS battery, Disassemble the dead battery: paso 2, imagen 1 de 3 *Read guide note* How to rebuild a laptop CMOS battery, Disassemble the dead battery: paso 2, imagen 2 de 3 *Read guide note* How to rebuild a laptop CMOS battery, Disassemble the dead battery: paso 2, imagen 3 de 3
    • If you break the leads, a new battery will need to be purchased.

    • After purchasing a battery, disassemble the CMOS battery. Use caution not to bend the tabs a lot. Too much damage may make them unusable.

    • Break the tabs off of the old battery. Recycle the dead cell depending on your local laws.

  3. *Read guide note* How to rebuild a laptop CMOS battery, Match the polarity and tape the leads onto the new cell: paso 3, imagen 1 de 3 *Read guide note* How to rebuild a laptop CMOS battery, Match the polarity and tape the leads onto the new cell: paso 3, imagen 2 de 3 *Read guide note* How to rebuild a laptop CMOS battery, Match the polarity and tape the leads onto the new cell: paso 3, imagen 3 de 3
    • Do not use too much tape. This may create a short (and explosion!)

    • After the polarity has been matched, tape the leads to the new cell. Do this for both sides. Start on the + side and cut the tape to fit comfortably. Doing this side first reduces the risk of error.

  4. *Read guide note* How to rebuild a laptop CMOS battery, Tape guidance (Negative): paso 4, imagen 1 de 1
    • To place the negative tab safely, try and keep it as close as possible to this example image.

  5. *Read guide note* How to rebuild a laptop CMOS battery, Apply liquid electrical tape: paso 5, imagen 1 de 3 *Read guide note* How to rebuild a laptop CMOS battery, Apply liquid electrical tape: paso 5, imagen 2 de 3 *Read guide note* How to rebuild a laptop CMOS battery, Apply liquid electrical tape: paso 5, imagen 3 de 3
    • Perfect coverage is not required. Focus on covering the major parts of the battery.

    • After verifying both leads are securely held onto the new cell, apply liquid electrical tape to the battery. 2 thin coats are recommended. If applied thick, only use one.

Conclusión

After building the replacement cell, install it in the notebook. Verify the battery works by setting the BIOS, powering it off and then removing the battery/AC adapter. If the CMOS memory is retained, your battery works.

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