- Notes, cautions, and warnings
- Working inside your computer
- Major components of your system
- Removing and installing components
- Recommended tools
- Screw list
- Major components of OptiPlex 3090 Small Form Factor
- Side cover
- Front bezel
- 2.5-inch hard drive
- 3.5-inch hard drive
- M.2 solid state drive
- Hard-drive and optical-drive bracket
- Optical drive
- WLAN card
- Fan assembly
- Coin-cell battery
- Expansion card
- Memory module
- Processor
- Power-supply unit
- Intrusion switch
- Power button
- Optional I/O modules (HDMI/VGA/DP/Serial)
- System board
- Drivers and downloads
- BIOS Setup
- Troubleshooting
- Getting help and contacting Dell Technologies
OptiPlex 3090 Small Form Factor Service Manual
Installing the power button
Prerequisites
About this task
The following images indicate the location of the power button switch and provides a visual representation of the installation procedure.
Steps
- Insert the power-button cable into the slot from the front-side of the computer, and press the power-button head until it clicks into the place in the chassis.
- Align and connect the power-button cable to the connector on the system board.
Next steps
- Install the hard-drive and optical-drive bracket.
- Install the 3.5/2.5-inch hard-drive assembly.
- Install the side cover.
- Follow the procedure in After working inside your computer.
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