9. Connect the keyboard-backlight cable to the connector (KBBL1) system board and close the latch.
10. Rotate to close the right hinge.
11. Replace the two screws (M2.5x4) to secure the right hinge to the system board.
Next steps
1. Install the display assembly for computers shipped with a plastic chassis.
2. Install the heatsink for computers shipped with a plastic chassis.
NOTE: The system board can be removed and installed along with the heat sink, when you replace the palm-rest and
keyboard assembly. This simplifies the removal and installation procedure and prevents damage to the thermal bond
between the system board and heat sink.
3. Install the fan for computers shipped with a plastic chassis.
4. Install the M.2 2230 solid-state drive for computers shipped with a plastic chassis.
5. Install the wireless card for computers shipped with a plastic chassis.
6. Install the battery for computers shipped with a plastic chassis.
7. Install the base cover for computers shipped with a plastic chassis.
8. Follow the procedure in After working inside your computer.
Removing the system board for computers shipped with an
aluminum chassis
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
NOTE: Ensure that your computer is in Service Mode. For more information see, Before working inside your computer.
2. Remove the base cover for computers shipped with an aluminum chassis.
3. Remove the 54 W battery for computers shipped with an aluminum chassis.
4. Remove the wireless card for computers shipped with an aluminum chassis.
5. Remove the M.2 2230 solid-state drive for computers shipped with an aluminum chassis.
6. Remove the fan for computers shipped with an aluminum chassis.
7. Remove the heatsink for computers shipped with an aluminum chassis.
NOTE:
The system board can be removed and installed along with the heat sink, when you replace the palm-rest and
keyboard assembly. This simplifies the removal and installation procedure and prevents damage to the thermal bond
between the system board and heat sink.
8. Remove the display assembly for computers shipped with an aluminum chassis.
About this task
The following image indicates the connectors on your system board.
Removing and installing Field Replaceable Units (FRUs)
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