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
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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Video tutorial repair manual
Installation and Removal Instructions
Precision 7670 WWAN Card
![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.](https://www.parts-people.com/blog/wp-content/uploads/2023/10/Alienwarem16-LAPTOP-SERVICE-BLOG-THUMBNAIL-300x169.jpg)
![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.](https://www.parts-people.com/blog/wp-content/uploads/2023/10/Alienwarem16-LAPTOP-SERVICE-BLOG-THUMBNAIL-300x169.jpg)
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.
![Use a Phillips Screwdriver to loosen the](https://www.parts-people.com/blog/wp-content/uploads/2024/02/tool-single-300x169.jpg)
![Use a Phillips Screwdriver to loosen the](https://www.parts-people.com/blog/wp-content/uploads/2024/02/tool-single-300x169.jpg)
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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![Disconnect the Battery.](https://www.parts-people.com/blog/wp-content/uploads/2024/02/battery1-1-300x169.jpg)
![Disconnect the Battery.](https://www.parts-people.com/blog/wp-content/uploads/2024/02/battery1-1-300x169.jpg)
Step 3
- Disconnect the Battery.
![Unscrew and remove the WWAN brackets (1 x captive screws) (1 x M2 x 3mm).](https://www.parts-people.com/blog/wp-content/uploads/2024/03/wwan1-300x169.jpg)
![Unscrew and remove the WWAN brackets (1 x captive screws) (1 x M2 x 3mm).](https://www.parts-people.com/blog/wp-content/uploads/2024/03/wwan1-300x169.jpg)
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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![Remove the protective shield from the WWAN Card.](https://www.parts-people.com/blog/wp-content/uploads/2024/03/wwan4-300x169.jpg)
![Remove the protective shield from the WWAN Card.](https://www.parts-people.com/blog/wp-content/uploads/2024/03/wwan4-300x169.jpg)
Step 5
- Remove the protective shield from the WWAN Card.
- Slide out the WWAN Card.
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