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Introduction

If your Dell Chromebook 3100 has lost its ability to hold a charge, you most likely have a dead battery, which requires replacement.

A functional battery provides power to your device. If you notice that your charged battery is draining more quickly than usual, consider calibrating your battery to determine an accurate charging capacity. If you continue to notice significant drops in battery percentage over a short period of time after charging, you should replace your battery.

A punctured battery can cause a dangerous fire. If your battery is swollen, take appropriate precautions.

Make sure to power down your device before you begin.

What you need

Step 1 Back Panel

Dell Chromebook 3100 Battery Replacement, Back Panel: step 1, image 1 of 3

Dell Chromebook 3100 Battery Replacement, Back Panel: step 1, image 2 of 3

Dell Chromebook 3100 Battery Replacement, Back Panel: step 1, image 3 of 3

Flip the laptop so the bottom is facing upwards.
Loosen the nine screws from the back panel using a Phillips #0 screwdriver.

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Step 2

Pry the back panel away from the rest of the laptop using an iFixit opening tool.

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Step 3 Battery

Dell Chromebook 3100 Battery Replacement, Battery: step 3, image 1 of 2

Dell Chromebook 3100 Battery Replacement, Battery: step 3, image 2 of 2

Remove the screws attached to the battery using a Phillips #0 screwdriver.
Disconnect the battery from the motherboard by gently pulling on the connector cable at the top of the battery.

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Step 4

Carefully remove the battery.

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Conclusion

To reassemble your device, follow these instructions in reverse order. For optimal performance, calibrate your newly installed battery after completing this guide.

Take your e-waste to an R2 or e-Stewards certified recycler.