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If your laptop refuses to boot into the operating system following a BIOS update, your hard drive is reported as not found, or the time on your computer’s clock is always wrong after booting up, the battery powering the CMOS may be defective or out of charge. Thankfully, Dell has made replacing this battery on the Latitude E7440 easy. This guide will outline how to remove this battery for replacement.
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Power off your laptop before starting.
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Flip the device over so that the vents on the bottom are facing away from you.
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Place your finger on the latch located in the center of the laptop.
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Slide the latch to the right, applying enough force to reveal a red indicator.
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Lift the battery by the top, away from the laptop body.
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Remove two M2 x 3mm Phillips #0 screws from the base cover.
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Slide the base cover down slightly and remove it.
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Position your nylon spudger on the edge of the white connector, in between the connector and the port.
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Pull back on the connector until the plastic head disconnects from the port on the laptop body.
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Separate the wrapped battery stack from the body by pulling up the wire.
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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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Cal Poly, Team S2-G5, White Winter 2019 crwdns2935289:0Cal Poly, Team S2-G5, White Winter 2019crwdne2935289:0
CPSU-WHITE-W19S2G5
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You list no part number for the replacement battery. Do we know the part number? I looked on Dell's website and find nothing. Otherwise, nice write-up!
@jess13j, battery is a CR2032 coin cell.
