- Notes, cautions, and warnings
- Working on your computer
- Removing and
installing components
- Recommended tools
- Removing the cover
- Installing the cover
- Removing the front bezel
- Installing the front bezel
- Removing the fan duct
- Installing the fan duct
- Removing the memory module
- Installing the memory module
- Removing the intrusion switch
- Installing the intrusion switch
- Removing the expansion card
- Installing the expansion card
- Removing the hard drive assembly
- Removing the hard drive from the hard drive bracket
- Installing the hard drive into the hard drive bracket
- Installing the hard drive assembly
- Removing the optical drive
- Installing the optical drive
- Removing the system fan
- Installing the system fan
- Removing the heat sink assembly
- Installing the heat sink assembly
- Removing the processor
- Installing the processor
- Removing the VGA daughter board
- Installing the VGA daughter board
- Removing the power supply unit (PSU)
- Installing the power supply unit (PSU)
- Removing the power switch
- Installing the power switch
- Removing the SD card reader
- Installing the SD card reader
- Removing the system board
- Installing the system board
- System board layout
- Troubleshooting your computer
- System Setup
- Specifications
- Contacting Dell
OptiPlex 3040 - Small Form Factor Owner's Manual
Installing the power supply unit (PSU)
- Insert the PSU in the chassis and slide it toward the back of the computer to secure it.
- Tighten the screws to secure the PSU to the back of the computer.
- Route the PSU cables through the retention clips.
- Connect the power cables to the system board.
- Install the:
- Follow the procedure in After Working Inside Your Computer .
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