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Introduction

This guide shows how to remove and replace the lithium-ion battery for the Toshiba L55 laptop. If your battery is swollen, take appropriate precautions.

  1. Before you begin, be sure to power down your laptop.
    • Before you begin, be sure to power down your laptop.

    • Flip the laptop over so that the back cover is facing up.

    • Unscrew the captive Phillips screw securing the RAM cover.

  2. Lift up the edge of the RAM cover and remove it. Lift up the edge of the RAM cover and remove it.
    • Lift up the edge of the RAM cover and remove it.

  3. Use an opening tool to pry up the ethernet connector cable from its socket near the RAM module. Disconnect the cable. During reassembly, make sure you re-insert this connector right-side-up. The connector is keyed to plug in only one orientation, so if it doesn't slide into place easily, turn it around and try the other way.
    • Use an opening tool to pry up the ethernet connector cable from its socket near the RAM module.

    • Disconnect the cable.

    • During reassembly, make sure you re-insert this connector right-side-up. The connector is keyed to plug in only one orientation, so if it doesn't slide into place easily, turn it around and try the other way.

  4. Remove the thirteen 6.8 mm long Phillips screws securing the back cover.
    • Remove the thirteen 6.8 mm long Phillips screws securing the back cover.

  5. Insert the point of an opening pick in the seam between the SuperMultiDrive and the rest of the back cover. Push the SuperMultiDrive's lip away from the back cover to disconnect the drive. Slide the drive out of the bay and remove it from the laptop.
    • Insert the point of an opening pick in the seam between the SuperMultiDrive and the rest of the back cover.

    • Push the SuperMultiDrive's lip away from the back cover to disconnect the drive.

    • Slide the drive out of the bay and remove it from the laptop.

  6. The back cover is still held in place by plastic clips. Insert the point of an opening pick into the back cover seam near the ethernet port.
    • The back cover is still held in place by plastic clips.

    • Insert the point of an opening pick into the back cover seam near the ethernet port.

    • Twist the pick to release the plastic clips along the edge.

  7. Grasp the loosened back case edge with your hand and lift it slowly away from the laptop. The remaining clips should release with ease. If you meet significant resistance, stop and check for forgotten screws. Remove the back cover.
    • Grasp the loosened back case edge with your hand and lift it slowly away from the laptop. The remaining clips should release with ease.

    • If you meet significant resistance, stop and check for forgotten screws.

    • Remove the back cover.

    • To reinstall the back cover, align the cover and press along the edges to snap the clips back in place.

  8. Remove the two 6.8 mm long Phillips screws securing the battery.
    • Remove the two 6.8 mm long Phillips screws securing the battery.

  9. Lift the battery out of its recess and move it slightly away from the motherboard in order to reveal the battery cable. Lift the battery out of its recess and move it slightly away from the motherboard in order to reveal the battery cable.
    • Lift the battery out of its recess and move it slightly away from the motherboard in order to reveal the battery cable.

  10. Grasp the battery cable near its motherboard socket and pull the connector horizontally out of the socket. Grasp the battery cable near its motherboard socket and pull the connector horizontally out of the socket.
    • Grasp the battery cable near its motherboard socket and pull the connector horizontally out of the socket.

  11. Remove the battery.
    • Remove the battery.

Conclusion

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

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

For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.

Arthur Shi

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