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Dell Inspiron 14 7420 2-in-1 - Palm-rest and keyboard assembly

Dell Inspiron 14 7420 2-in-1
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8. Adhere the tape that secures the I/O-board cable to the system board.
9. Close the right display hinge.
10. Replace the four screws (M2.5x4) that secure the right display hinge to the system board and palm-rest and keyboard
assembly.
11. Align the screw holes on the USB Type-C port bracket with the screw holes on the system board.
12. Replace the two screws (M2x4) that secure the USB Type-C port bracket to the system board.
Next steps
1. Install the fan.
2. Install the heat sink without discrete graphics or heat sink with discrete graphics, whichever applicable.
3. Install the M.2 2230 solid-state drive or M.2 2280 solid-state drive, whichever applicable.
4. Install the wireless card.
5. Install the memory.
6. Install the 3-cell battery (41 Wh) or the 4-cell battery (54 Wh), whichever applicable.
7. Install the base cover.
8. Follow the procedure in After working inside your computer.
Palm-rest and keyboard assembly
Removing the palm-rest and keyboard assembly
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the 3-cell battery (41 Wh) or the 4-cell battery (54 Wh), whichever applicable.
4. Remove the coin-cell battery.
5. Remove the wireless card.
6. Remove the M.2 2230 solid-state drive or M.2 2280 solid-state drive, whichever applicable.
7. Remove the I/O board.
8. Remove the speakers.
9. Remove the fan.
10. Remove the power button or power button with fingerprint reader.
11. Remove the display assembly.
12. Remove the system board.
NOTE: The system board can be removed along with the heat sink and memory.
About this task
The following image indicates the location of the palm-rest and keyboard assembly and provides a visual representation of the
removal procedure.
54
Removing and installing components

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