Dell Latitude E7440 Cmos Battery Replacement Repair Guide

Difficulty

Easy

Steps

7

Time Required

                          10 minutes            

Sections

2

• Battery
• 3 steps
• CMOS Battery
• 4 steps

Flags

0

• BackDell Latitude E7440

• Full Screen

• Options

• History

• Save to Favorites

• Download PDF

• Edit

• Translate

• Get Shareable Link

• Embed This Guide

• Notify Me of Changes

• Stop Notifications

Introduction

What you need

Step 1

              Prepare the laptop               

• Power off your laptop before starting.
• Flip the device over so that the vents on the bottom are facing away from you.

Power off your laptop before starting.

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

1024

Step 2

              Release the battery               

• 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.

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.

Step 3

              Remove the battery               

• Lift the battery by the top, away from the laptop body.

Lift the battery by the top, away from the laptop body.

Step 4

              CMOS Battery               

• Remove two M2 x 3mm Phillips #0 screws from the base cover.

Remove two M2 x 3mm Phillips #0 screws from the base cover.

Step 5

• Slide the base cover down slightly and remove it.

Slide the base cover down slightly and remove it.

Step 6

• 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.

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.

Step 7

• 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.

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.

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

Cancel: I did not complete this guide.

                                                                                      5 other people completed this guide.                                             

Author

                                      with 1 other contributor 

                    Akash Kedia                     

Member since: 01/24/2019

1,145 Reputation

                                      5 Guides authored                  



                       Badges:
                       13







                                                        +10 more badges                           

Team

                       Cal Poly, Team S2-G5, White Winter 2019                        

                                                  Member of Cal Poly, Team S2-G5, White Winter 2019 



                    CPSU-WHITE-W19S2G5                     


                                            4 Members                     


                                            5 Guides authored                     

jess13j - Mar 8, 2019

Reply

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!

senzog - Dec 7, 2020

Reply

@jess13j, battery is a CR2032 coin cell.