Dell Inspiron 14 7420 2-in-1, Service Manual

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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