Figure 48. Removing the system board
Steps
1. Open the display assembly to a 90-degree angle and then place the computer on the edge of a flat surface. Ensure to
maintain the angle throughout the removal process to minimize the risk of damaging the thin display panel when applying
torque to install and remove screws from the computer.
2. Loosen the three captive screws (M1.6x2) that secure the display-assembly cable bracket to the system board.
3. Lift the display cable bracket off the system board.
4. Disconnect the camera cable from the camera cable connector (JCAM1) on the system board.
5. Disconnect the display cable from the display cable connector (JEDP1) on the system board.
6. Loosen the captive screw (M1.6x2.3) that secures the wireless-module bracket to the system board.
NOTE: Be sure that the small, clear washer that holds the captive screw in place does not fall off.
7. Lift the wireless-module bracket off the system board.
8. Disconnect the wireless-module cables from the wireless module.
9. Open the latch of the capacitive touch function row connector and use the pull tab of the cable to disconnect the capacitive
touch function row cable (JTF1) from the system board.
10. Use the pull tab to disconnect the left-speaker cable (JSPKR1) from the system board.
11. Open the latch of the haptic-module cable connector and use the pull tab of the cable to disconnect the haptic-module cable
(JTP1) from the system board.
12. Open the latch of the keyboard control-board connector and use the pull tab of the cable to disconnect the keyboard
control-board cable from the system board.
13. Use the pull tab to disconnect the right-speaker cable from the connector (JSPKL1) from the system board.
14. Lift the latch of the power-button connector and use the pull tab of the cable to disconnect the power-button cable
connector (JFP1) on the system board.
15. Remove the four screws (M1.6x3) that secure the system board to the palm-rest and keyboard assembly.
16. Remove the seven screws (M1.6x2.3) that secure the system board to the palm-rest and keyboard assembly.
17. Hold the system board by the short edges, as shown in the image, and lift the board off the palm-rest and keyboard
assembly with care.
Installing the system board
CAUTION: The information in this installation section is intended for authorized service technicians only.
Removing and installing Field Replaceable Units (FRUs) 67
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