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Dell Precision 7740 - WWAN Card Service

Dell Precision 7740
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2. Install the:
a. battery
b. battery cover
c. SD card
3. Follow the procedure in After working inside your computer.
WWAN card
Removing WWAN card
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. SD card
b. battery cover
c. battery
d. base cover
3. To remove the WWAN card:
a. Remove the single (M2.0x3.0) screw that secures the WWAN metal bracket to the system board [1].
b. Remove the WWAN metal bracket that secures the WWAN antenna cables [2].
c. Disconnect and unroute the WWAN antenna cables connected to the WWAN card [3].
d. Remove the WWAN card from the WWAN card slot in the system board [4].
Removing and installing components
35

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