Dell Inspiron 1521 (PP22L) CMOS Battery Removal & Installation

Created by on August 4, 2022
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In this Dell laptop tutorial we are going to show you how to install and replace the CMOS Battery on your Inspiron 1521 (PP22L) laptop. These installation instructions have be made into 3 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Inspiron 1521 (PP22L) CMOS Battery.

Before you begin

Please take the time read the following safety guidelines when working on static sensitive electrical components.
Dell repair manual service precautions

Tools needed for this laptop repair

  • 1 x small phillips head screwdriver
  • 1 x small plastic scribe
Inspiron 1521 Battery

Dell Laptop Replacement Parts Needed

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Inspiron 1521 Battery

Video tutorial repair manual



Installation and Removal Instructions
Inspiron 1521 CMOS Battery

Slide the battery latches over to unlock the battery.

Step 1

  • Slide the battery latches over to unlock the battery.
  • Slide the Battery out of the laptop.
Slide the battery latches over to unlock the battery.Slide the Battery out of the laptop.Slide the battery latches over to unlock the battery.
Loosen the screw.

Step 2

Loosen the screw.Remove the Memory Door.Loosen the screw.
Unplug & remove the CMOS Battery.

Step 3

Unplug & remove the CMOS Battery.Unplug & remove the CMOS Battery.Unplug & remove the CMOS Battery.

Topics: Dell Inspiron Repair Manuals Dell Laptop Repair Dell Repair Manuals CMOS Battery Inspiron 1521

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