What you need
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Slide the highlighted tab to the left.
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With your finger on the tab, remove the battery by lifting it upwards away from the laptop.
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Locate and remove the two 5.3mm screws that open the bay to the modem and ethernet cards.
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Lift the modem and ethernet bay door.
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Gently lift the ethernet and wireless cards.
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Remove the cables that attach the modem and ethernet cards.
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