Dell W29C Service Manual page 48

Steps
1. Connect the power-button board cable to the power-button board and close the latch to secure the cable.
2. Using the alignment tabs as reference, align and place the power-button board in the slot on the display-assembly base.
3. Replace the screw (M3x5) that secures the power-button board to the display-assembly base.
4. Adhere the tape that secures the power-button cable to the power-button board.
5. Replace the five screws (M3x5) that secure the left display hinge to the display-assembly base.
Next steps
1. Install the system-board
2. Install the I/O cover.
3. Install the back cover.
4. Install the stand.
5. Follow the procedure in
48 Removing and installing components
shield.
After working inside your computer.