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 (M2.5x4.5) to secure the right hinge to the system board.
Next steps
1. Install the display assembly for computers shipped with an aluminum chassis.
2. Install 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.
3. Install the fan for computers shipped with an aluminum chassis.
4. Install the M.2 2230 solid-state drive for computers shipped with an aluminum chassis.
5. Install the wireless card for computers shipped with an aluminum chassis.
6. Install the 54 W battery for computers shipped with an aluminum chassis.
7. Install the base cover for computer shipped with an aluminum chassis.
8. Follow the procedure in After working inside your computer.
Palm-rest and keyboard assembly
Removing the palm-rest and keyboard assembly for computers
shipped with a plastic 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 a plastic chassis.
3. Remove the battery for computers shipped with a plastic chassis.
4. Remove the wireless card for computers shipped with a plastic chassis.
5. Remove the M.2 2230 solid-state drive for computers shipped with a plastic chassis.
6. Remove the I/O board for computers shipped with a plastic chassis.
7. Remove the speakers for computers shipped with a plastic chassis.
8. Remove the fan for computers shipped with a plastic chassis.
9. Remove 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.
10. Remove the power button for computers shipped with a plastic chassis.
11. Remove the touchpad for computers shipped with a plastic chassis.
12. Remove the display assembly for computers shipped with a plastic chassis.
13. Remove the system board for computers shipped with a plastic chassis.
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.
134
Removing and installing Field Replaceable Units (FRUs)
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