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The purpose of this guide is to demonstrate how to replace the daughterboard of the Acer Chromebook CB0311-1H-C1MX. The daughterboard is a smaller circuit board that acts as an extension of the motherboard. It has two separate sections: one is connected to the motherboard by a cable, and one is hidden under the left hinge.
If the device is experiencing issues with network connection, audio processing, or USB port connection, the daughterboard may need replacement.
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Using a JIS #1 screwdriver, remove eleven 6.6 mm screws from the back cover.
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Beginning at the hinges, use an iFixit Opening Tool to pry open the back case.
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Continue using the iFixit Opening Tool around the entire edge of the case.
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Using a JIS #1 screwdriver, remove all four 4.8 mm screws holding the battery in place.
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Gently push on either side of the silver connector so that it no longer covers the battery cable.
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Disconnect the battery cable by pulling it straight out.
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Lift and remove the battery from the laptop.
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Using the JIS #1 screwdriver, remove one 4.7 mm screw from the daughterboard.
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Lift the black tab and disconnect the motherboard cable.
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Gently lift out the first piece of the daughterboard.
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Using the JIS #1 screwdriver, remove two 4.7 mm screws.
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Using the iFixit opening pick, pry up the hinge holding the daughterboard in place.
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Gently lift out the second piece of the daughterboard.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Colorado Mesa University, Team 1-1, Kinney Spring 2025 crwdns2935289:0Colorado Mesa University, Team 1-1, Kinney Spring 2025crwdne2935289:0
CMU-KINNEY-S25S1G1
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