Dell 14 Plus DB14250 Owner's Manual

Installing the system board

About this task

NOTE:If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is achieved.

The following image indicates the connectors and M.2 card slot on your system board.

1. Fan cable connector (FAN)
2. Infrared camera cable connector (CIR)
3. Display-assembly cable connector (LCD)
4. M.2 solid state drive slot
5. Keyboard-backlight cable connector (KBBL)
6. Battery cable connector (BATT)
7. Keyboard cable connector (KB)
8. M.2 wireless-card slot (WLAN)
9. Touchpad cable connector (TP)
10. Speaker cables connector (SPK)
11. I/O board-cable connector (IOBD)

The following images indicate the location of the system board and provide a visual representation of the installation procedure.

1. Position the system board at an angle to the palm-rest and keyboard assembly.

   

2. Align the positioning pin on the system board with the hole on the palm-rest and keyboard assembly.
3. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly.
4. Replace the two screws (M2x1.8) that secure the system board to the palm-rest and keyboard assembly.
5. Connect the infrared camera cable to the connector (CIR) on the system board and close the latch.
6. Connect the display cable to the connector (LCD) on the system board and close the latch.
7. Connect the keyboard-backlight cable to the connector (KBBL) on the system board and close the latch.
8. Connect the keyboard cable to the connector (KB) on the system board and close the latch.
9. Connect the touchpad cable to the connector (TP) on the system board and close the latch.
10. Connect the speaker cable to the connector (SPK) on the system board.
11. Connect the I/O-board cable to the connector (IOBD) on the system board and close the latch.
12. Connect the fan cable to the connector (FAN) on the system board.
13. Place the Type-C port-bracket on the system board and align the screw holes of the Type-C port-bracket with the screw holes on the system board.
14. Replace the two screws (M2x4) that secure the Type-C port-bracket to the system board.
    NOTE:Do not secure the two screws (M2x4) into the system board without the Type-C port-bracket.
15. Replace the tape that secures the display cable to the connector (LCD) on the system board.
16. Close the display-assembly hinge and align the screw holes on the display hinge with the screw holes on the palm-rest and keyboard assembly.
17. Replace the three screws (M2.5x4) that secure the display-assembly hinge to the system board.