Installing The Ush Daughter-Board - Dell Precision 5480 Service Manual

8. Remove the system board.
NOTE: The system board can be removed or installed together with the heat-sink attached. This simplifies the
procedure and avoids breaking the thermal bond between the system board and the heat-sink.
About this task
The figure indicates the location of the USH daughter-board and provides a visual representation of the removal procedure.
Steps
1. Remove the two (M1.4x1.2) screws that secure the USH board flat printed cable on the system board.
2. Remove the USH board flat printed cable from the system board.

Installing the USH daughter-board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the USH daughter-board and provides a visual representation of the installation procedure.
52 Removing and installing components