Dell Latitude 5400 Service Manual - Page 29

Installing the WWAN card, WLAN card, Removing the WLAN card

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Installing the WWAN card About this task CAUTION: To avoid damage to the WWAN card, do not place any cables under it. Steps 1. Insert the WWAN card into the connector on the system board [1]. 2. Connect the WWAN antenna cables to the connectors on the WWAN card [2]. 3. Place the WWAN card bracket to secure the WWAN antenna cables to the WWAN card [3]. 4. Replace the single (M2x3) screw to secure the WWAN card bracket to the WWAN card [4]. Next steps 1. Replace the battery. 2. Replace the base cover. 3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. WLAN card Removing the WLAN card Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. 3. Remove the base cover. 4. Remove the battery. Steps 1. Remove the single (M2x3) screw that secures the WLAN card bracket to the system board [1]. 2. Remove the WLAN card bracket that secures the WLAN antenna cables [2]. 3. Disconnect the WLAN antenna cables from the connectors on the WLAN card [3]. 4. Slide and lift the WLAN card away from the connector on the system board [4]. Disassembly and reassembly 29

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Installing the WWAN card
About this task
CAUTION:
To avoid damage to the WWAN card, do not place any cables under it.
Steps
1.
Insert the WWAN card into the connector on the system board [1].
2.
Connect the WWAN antenna cables to the connectors on the WWAN card [2].
3.
Place the WWAN card bracket to secure the WWAN antenna cables to the WWAN card [3].
4.
Replace the single (M2x3) screw to secure the WWAN card bracket to the WWAN card [4].
Next steps
1.
Replace the
battery
.
2.
Replace the
base cover
.
3.
Replace the
microSD card
.
4.
Follow the procedure in
after working inside your computer
.
WLAN card
Removing the WLAN card
Prerequisites
1.
Follow the procedure in
before working inside your computer
.
2.
Remove the
microSD card
.
3.
Remove the
base cover
.
4.
Remove the
battery
.
Steps
1.
Remove the single (M2x3) screw that secures the WLAN card bracket to the system board [1].
2.
Remove the WLAN card bracket that secures the WLAN antenna cables [2].
3.
Disconnect the WLAN antenna cables from the connectors on the WLAN card [3].
4.
Slide and lift the WLAN card away from the connector on the system board [4].
Disassembly and reassembly
29