Installing The Power-Supply Unit - Dell Precision 3460 Small Form Factor Service Manual

Steps
1. Disconnect the power cables from the system board and unroute them from the routing guides on the chassis.
2. Remove the three screws (#6-32) that secure the power-supply unit to the chassis.
3. Slide the power-supply unit away from the back of the chassis.
4. Lift the power-supply unit off the chassis.

Installing the power-supply unit

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
NOTE: The cables and ports on the back of the power-supply unit are color-coded to indicate the different power wattage.
Ensure that you plug in the cable to the correct port. Failure to do so may result in damaging the power-supply unit and/or
system components.
About this task
The following images indicate the location of the power-supply unit and provides a visual representation of the installation
procedure.
Removing and installing components 59