In this Dell laptop tutorial we are going to show you how to install and replace the CMOS Battery on your Latitude E5440 laptop. These installation instructions have be made into 4 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Latitude E5440 CMOS Battery.
Before you begin
Dell repair manual service precautions
Tools needed for this laptop repair
- 1 x small phillips head screwdriver
- 1 x small plastic scribe
Latitude E5440 Battery
Latitude E5440 Battery
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Video tutorial repair manual
Installation and Removal Instructions
Latitude E5440 CMOS Battery
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Step 1
- Slide the latches over.
- Lift the battery out of the laptop.
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Step 2
- Remove the screw.
- Slide the optical drive out of the laptop.
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
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Step 3
- Remove the screws.
- Remove the bottom base.
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Step 4
- Unplug the cable.
- Remove the CMOS battery.
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