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Toshiba Satellite L55-A CMOS Battery Replacement

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This guide shows how to remove and replace the CMOS battery for the Toshiba L55 laptop. The battery is a standard CR2032 lithium coin cell.

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  1. Toshiba Satellite L55-A CMOS Battery Replacement, Remove the RAM cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • 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.

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  2. Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

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

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  3. Toshiba Satellite L55-A CMOS Battery Replacement, Disconnect the ethernet connector cable: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement, Disconnect the ethernet connector cable: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement, Disconnect the ethernet connector cable: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • 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.

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  5. Toshiba Satellite L55-A CMOS Battery Replacement, Remove the back cover: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

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

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  6. Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • 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.

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  7. Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • 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.

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  8. Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • 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.

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  9. Toshiba Satellite L55-A CMOS Battery Replacement, Remove the coin cell: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement, Remove the coin cell: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Toshiba Satellite L55-A CMOS Battery Replacement, Remove the coin cell: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use your fingernail or an opening pick to push the gold metal clip off of the top of the coin cell.

    • Pry the coin cell out of its holder and remove it.

    • To install a replacement battery, align the battery and press it firmly into the holder until the battery snaps into position.

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

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

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