Precision 3630 Tower Service Manual

Installing the power supply unit

1. Connect the wiring harness to the 95 W CPU system configuration.
   
2. Insert the PSU into the PSU slot and slide it towards the back of the computer until it clicks into place [1].
3. Replace the four #6-32x1/4'' screws to secure the PSU to the computer [2].
4. Place the power supply bracket [3] and tighten the two #6-32x1/4'' screws to secure the PSU to the computer [4].
5. Connect the hard drive power cable [5]
   
6. Open the PSU hinge.
7. Connect the following cables:
   • For systems shipped with 65 W/80 W CPU system configuration:
     1. Route the CPU power cable through the routing guide on the chassis [1].
     2. Connect the system board power cable [2].
     3. Connect the CPU power cable to the connector on the system board [3].
     4. Connect the optical-drive power cable to the connector on the optical drive [4].
     
   • :
     1. Route the CPU power cable through the routing guide on the chassis [1].
     2. Connect the graphics-card power cable [2].
     3. Connect the system-board power cable [3]
     4. Connect the CPU power cable to the connector on the system board [4].
     5. Connect the optical-drive power cable to the connector on the optical drive [5].
     
8. Install the:
   1. Heatsink assembly
   2. Cover
9. Close the PSU hinge.
10. Follow the procedure in After Working Inside Your Computer.