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Acer Chromebook 14 CB3-431-C3WS Speaker Replacement

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If you have distorted, or no audio coming from the speakers in your Acer Chromebook 14 CB3-431-C3WS, you may need to replace the speakers in your laptop.

Consider looking at the troubleshooting page to see if there may be a simpler solution.

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  1. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Speaker Replacement, Back Cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Speaker Replacement, Back Cover: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the two 6mm JIS #0 screws from either side of the hinges.

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  2. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the eight 4mm JIS #0 screws from the back cover.

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  3. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Insert an opening pick between the back panel and the sides of the computer to begin lifting the back off.

    • There are several clips holding the cover in place.

    • After the sides have been lifted, use the opening tool to finish opening the back cover.

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  4. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Lift off the back cover.

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  6. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement, Battery: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Speaker Replacement, Battery: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Speaker Replacement, Battery: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the two JIS #0 screws that connect the battery to the rest of the laptop.

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  7. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Pull the white tab connected to the battery out of the black tab that connects to the motherboard.

    • It is extremely important that this is done carefully and slowly to avoid causing damage to the motherboard.

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  8. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Lift the battery out gently.

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  9. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement, Speaker: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the four 4mm JIS #0 screws that hold the speakers in place.

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  10. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Disconnect the clip that connects the speaker wires to the daughterboard.

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  11. Acer Chromebook 14 CB3-431-C3WS Speaker Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Lift the speakers from the frame, making sure to carefully unwind the wires connecting the speakers.

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

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Samantha Postma

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Grand Valley State University, Team S1-G3, DeVasto Fall 2019 crwdns2935289:0Grand Valley State University, Team S1-G3, DeVasto Fall 2019crwdne2935289:0

GVSU-DEVASTO-F19S1G3

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