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Dell Latitude 7420 - System board

Dell Latitude 7420
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Steps
1. Slide the smart card reader into its slot in the computer chassis and secure it using the four (M2x2.5) screws.
2. Adhere the smart card reader and NFC module cable and connect it to the USH board.
3. Adhere the touchpad FFC cable along the sides of the touchpad module and connect it to the system board.
Next steps
1. Install the speaker.
2. Install the battery.
3. Install the base cover.
4. Install the microSD card.
5. Follow the procedure in after working inside your computer.
System board
Removing the system board
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the microSD card.
3. Remove the SIM card.
4. Remove the base cover.
5. Remove the solid-state drive.
6. Remove the battery.
7. Remove the WWAN card.
8. Remove the heatsink assembly.
Removing and installing components
47

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