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Introduction

If your Acer Chromebook is not able to connect to Wi-Fi even after you try troubleshooting through the operating system, a WLAN chip replacement may help resolve your problem. The following steps will show you how to replace the WLAN Board in your Acer Chromebook CB3-111-C670. This model of the Acer Chromebook uses an Intel WLAN Wireless Board 7260NGW that allows the Chromebook to access wireless internet.

This guide will show you how to disassemble your Chromebook and replace the WLAN Board using a Phillips #000 Screwdriver and an iFixit Opening Tool. The steps may also be followed in reverse order to reassemble your device.

  1. Turn off your Chromebook and disconnect any charging cables.
    • Turn off your Chromebook and disconnect any charging cables.

    • Turn the Chromebook over so that the back panel with the Chromebook's serial number is facing upward.

    • Use the Phillips #000 Screwdriver to remove the twelve screws on the back panel.

    • Use the plastic iFixit Opening Tool to detach the back panel. Start at one of the four corners of the Chromebook and gently work around the edges. Insert it in the crease where the back panel and the main board meet. You should hear a slight click, this is the sound of the back panel detaching from the board.

    • Be careful not to apply too much force or you could damage the ribbon cable that connects the back panel to the motherboard.

    • Once you have detached the back panel, do not lift it vertically from the Chromebook. With the Chromebook facing in the direction as shown in the picture above, take the right hand side of the back panel and lift it toward the left, as if you are opening a book.

  2. Disconnect the coaxial cables from the WLAN Board located near the top left corner of the motherboard. The Board is connected to the left edge of the motherboard. Grasp the top and bottom edge of the WLAN Board using your fingers and gently disconnect it from the motherboard. Grasp the top and bottom edge of the WLAN Board using your fingers and gently disconnect it from the motherboard.
    • Disconnect the coaxial cables from the WLAN Board located near the top left corner of the motherboard. The Board is connected to the left edge of the motherboard.

    • Grasp the top and bottom edge of the WLAN Board using your fingers and gently disconnect it from the motherboard.

  3. Insert the new WLAN Board and reattach the two coaxial cables.
    • Insert the new WLAN Board and reattach the two coaxial cables.

    • Replace the back panel of the Chromebook, and replace the twelve screws with the Phillips #000 Screwdriver.

Conclusion

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

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lott

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USF Tampa, Team 10-5, Remmell Spring 2016 Member of USF Tampa, Team 10-5, Remmell Spring 2016

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