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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 11-3148 (P20T-002) 3000 Series 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 11-3148 (P20T-002) 3000 Series 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 3148 Battery
Inspiron 3148 Battery
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Video tutorial repair manual
Installation and Removal Instructions
Inspiron 11-3148 (P20T-002) 3000 Series CMOS Battery
Step 1
- Remove the screws.
- Unsnap & remove the access door.
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Step 2
- Unplug & loosen the hard drive cable.
- Remove the screws.
- Remove the battery.
 
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Step 3
- Using a scribe, remove the CMOS battery.
