Dell Inspiron 14 5420 Service Manual - Page 57

Palm-rest and keyboard assembly

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6. Connect the I/O-board cable to the system board and close the latch to secure the cable. 7. Adhere the tape that secures the I/O-board cable to the system board. 8. Align the screw holes on USB-C port bracket with the screw holes on the system board. 9. Replace the two screws (M2x4) that secure the USB-C port bracket to the system board. 10. Connect the speaker cable to the system board. 11. Adhere the tape that secures the speaker cable to the palm-rest and keyboard assembly. 12. Connect the touchpad cable to the system board and close the latch. 13. Connect the keyboard cable to the system board and close the latch. 14. Connect the keyboard-backlight cable to the system board and close the latch. Next steps 1. Install the touchpad. 2. Install the speakers. 3. Install the wireless card. 4. Install the M.2 2230 solid-state drive or M.2 2280 solid-state drive. 5. Install the memory module. 6. Install the base cover. 7. 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 battery. 4. Remove the memory module. 5. Remove the M.2 2230 solid-state drive or M.2 2280 solid-state drive. 6. Remove the wireless card. 7. Remove the fan. 8. Remove the coin-cell battery. 9. Remove the IO board. 10. Remove the system board. 11. Remove the power button. 12. Remove the power-adapter port. 13. Remove the speakers. 14. Remove the touchpad. 15. Remove the display assembly. About this task The following image(s) indicate the location of the palm-rest and keyboard assembly and provides a visual representation of the removal procedure. Removing and installing components 57

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6.
Connect the I/O-board cable to the system board and close the latch to secure the cable.
7.
Adhere the tape that secures the I/O-board cable to the system board.
8.
Align the screw holes on USB-C port bracket with the screw holes on the system board.
9.
Replace the two screws (M2x4) that secure the USB-C port bracket to the system board.
10.
Connect the speaker cable to the system board.
11.
Adhere the tape that secures the speaker cable to the palm-rest and keyboard assembly.
12.
Connect the touchpad cable to the system board and close the latch.
13.
Connect the keyboard cable to the system board and close the latch.
14.
Connect the keyboard-backlight cable to the system board and close the latch.
Next steps
1.
Install the
touchpad
.
2.
Install the
speakers
.
3.
Install the
wireless card
.
4.
Install the
M.2 2230 solid-state drive
or
M.2 2280 solid-state drive
.
5.
Install the
memory module
.
6.
Install the
base cover
.
7.
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
battery
.
4.
Remove the
memory module
.
5.
Remove the
M.2 2230 solid-state drive
or
M.2 2280 solid-state drive
.
6.
Remove the
wireless card
.
7.
Remove the
fan
.
8.
Remove the
coin-cell battery
.
9.
Remove the
IO board
.
10.
Remove the
system board
.
11.
Remove the
power button
.
12.
Remove the
power-adapter port
.
13.
Remove the
speakers
.
14.
Remove the
touchpad
.
15.
Remove the
display assembly
.
About this task
The following image(s) indicate the location of the palm-rest and keyboard assembly and provides a visual representation of the
removal procedure.
Removing and installing components
57