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Dell Latitude E7440 CMOS Battery Replacement

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  1. Dell Latitude E7440 CMOS Battery Replacement, Prepare the laptop: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Power off your laptop before starting.

    • Flip the device over so that the vents on the bottom are facing away from you.

  2. Dell Latitude E7440 CMOS Battery Replacement, Release the battery: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Latitude E7440 CMOS Battery Replacement, Release the battery: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Latitude E7440 CMOS Battery Replacement, Release the battery: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Place your finger on the latch located in the center of the laptop.

    • Slide the latch to the right, applying enough force to reveal a red indicator.

    • You will hear a soft click when the latch has been disengaged.

  3. Dell Latitude E7440 CMOS Battery Replacement, Remove the battery: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Lift the battery by the top, away from the laptop body.

  4. Dell Latitude E7440 CMOS Battery Replacement, CMOS Battery: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E7440 CMOS Battery Replacement, CMOS Battery: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove two M2 x 3mm Phillips #0 screws from the base cover.

  5. Dell Latitude E7440 CMOS Battery Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E7440 CMOS Battery Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Slide the base cover down slightly and remove it.

  6. Dell Latitude E7440 CMOS Battery Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Latitude E7440 CMOS Battery Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Latitude E7440 CMOS Battery Replacement: crwdns2935265:06crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Position your nylon spudger on the edge of the white connector, in between the connector and the port.

    • Pull back on the connector until the plastic head disconnects from the port on the laptop body.

    • If the connector is stuck, move the broader end of the spudger back and forth across the connector to slowly loosen the connection.

  7. Dell Latitude E7440 CMOS Battery Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Separate the wrapped battery stack from the body by pulling up the wire.

    • You may need to use the flat end of the nylon spudger to separate the battery.

    • The stack is attached using glue, so you might hear a pop when removing it.

    • Reapplying an adhesive to the bottom of the battery is recommended, although not necessary, to keep it in place.

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

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Akash Kedia

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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 - crwdns2934203:0crwdne2934203:0

@jess13j, battery is a CR2032 coin cell.

senzog - crwdns2934203:0crwdne2934203:0

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