Dell Inspiron 27 7720 All-in-One Owner's Manual page 79

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the power-button board with USB and provides a visual representation of the
installation procedure.
Figure 52. Installing the power-button board with USB
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 (M3x4.5) that secure the left stand hinge to the display-assembly base.
Next steps
1. Install the system-board
2. Install the I/O cover.
3. Install the back cover.
shield.
Removing and installing Field Replaceable Units (FRUs) 79