Dell Inspiron 14 5420 User Manual

8. Open the latch and disconnect the keyboard cable from the system board.
9. Open the latch and disconnect the keyboard-backlight cable from the system board.
10. Disconnect the speaker cable from the system board.
11. Open the latch and disconnect the touchpad cable from the system board.
12. Peel off the tape that secures the I/O-board cable-connector latch to the system board.
13. Open the latch and disconnect the I/O-board cable from the system board.
14. Open the latch and disconnect the I/O-board cable from the I/O board.
15. Lift the I/O-board cable off the system board.
16. Remove the three screws (M2x2) that secure the system board to the palm-rest and keyboard assembly.
17. Lift the system board at angle off the palm-rest and keyboard assembly, to clear the ports on the system board from the
slots on the palm-rest and keyboard assembly.
Installing the system board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image indicates the connectors and M.2 card slots on your system board.
1. Power-adapter port cable
2. Display cable
3. Right fan cable
4. Battery cable
5. Keyboard cable
6. Keyboard-backlight cable
7. M.2 solid-state drive card slot
8. M.2 wireless-card cable
9. Speaker cable
10. Touchpad cable
11. I/O-board cable
Removing and installing components
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Dell Inspiron 14 5420 Specifications

General

Graphics	Intel Iris Xe Graphics
Operating System	Windows 11 Home
Battery	4-Cell Battery, 54WHr (Integrated)
Processor	12th Gen Intel Core i5-1235U
Display	14-inch FHD (1920 x 1080)
RAM	8GB DDR4
Storage	256GB/512GB/1TB SSD
Ports	2 x USB 3.2 Gen 1
Wireless	Bluetooth