Dell Latitude 5550 Owners Manual - Page 59
Installing the 4G WWAN card, Removing the 4G WWAN card
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Figure 21. Removing the 4G WWAN card Steps 1. Using a plastic scribe, pry open the 4G WWAN-card shield that secures the 4G WWAN card to the palm-rest assembly. 2. Lift the 4G WWAN-card shield off the 4G WWAN card. 3. Remove the screw (M2x3) that secures the 4G WWAN-card bracket to the 4G WWAN card and palm-rest assembly. 4. Lift the 4G WWAN-card bracket off the 4G WWAN card and palm-rest assembly. 5. Disconnect the antenna cables from the 4G WWAN card. 6. Remove the 4G WWAN card off the 4G WWAN-card slot on the system board. Installing the 4G WWAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task NOTE: The 4G WWAN card is available only on certain configurations. It is connected to the system with two antenna cables. Removing and installing Customer Replaceable Units (CRUs) 59