Dell Vostro 3555 (Mid 2011) - Manual (Page 33)

Wireless Wide Area Network
(WWAN) Card
11
Removing The Wireless Wide Area Network (WWAN) Card
1. Follow the procedures in Before Working On Your Computer
2. Remove the battery .
3. Remove the access panel .
4. Disconnect the antenna cables from the WWAN card.
5. Remove the screw that secures the WWAN card.
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