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In this Dell laptop tutorial we are going to show you how to install and replace the WWAN Card on your Precision 7670 laptop. These installation instructions have been made into 5 easy to follow printable steps. We have also created a video tutorial that shows you how to install your Precision 7670 WWAN Card.
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 Phillips #1 screwdriver
- 1 x small plastic scribe
Precision 7670 WWAN Card
Precision 7670 WWAN Card
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$4.95
Dell Precision 7770 / 7780 Metal Mounting Bracket for the WWAN Wireless Card - Bracket Only - 3CD5Y Eligible for $5.00 1st Class Shipping. Out Of Stock - Get notified when it returns. 
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Video tutorial repair manual
Installation and Removal Instructions
Precision 7670 WWAN Card
Step 1
- Before you begin: If you need help at any point, you can always contact Parts-People Laptop Repair Department for help with your diagnosis or repair.
Step 2
- Use a Phillips Screwdriver to loosen the Bottom Base Cover screws (6 x captive screws).
- Use a Plastic Scribe to pry apart and remove the Bottom Base Cover.
  
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Step 3
- Disconnect the Battery.
Step 4
- Unscrew and remove the WWAN brackets (1 x captive screws) (1 x M2 x 3mm).
- Disconnect the antenna cables.
 
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Step 5
- Remove the protective shield from the WWAN Card.
- Slide out the WWAN Card.
 
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