- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw List
- Major components of your system
- Side cover
- Front bezel
- Hard-drive assembly
- Removing the primary 2.5-inch hard-drive assembly
- Removing the secondary 2.5-inch hard-disk drive assembly
- Removing the 2.5-inch hard-disk drive bracket
- Installing the 2.5-inch hard-disk drive bracket
- Installing the secondary 2.5-inch hard-disk drive assembly
- Installing the primary 2.5-inch hard-drive assembly
- 3.5 in. hard-drive assembly
- Solid-state drive
- Memory module
- Processor fan and heat-sink assembly
- Processor
- Graphics card
- Graphical processing unit
- Coin-cell battery
- WLAN card
- Slim optical-drive
- Slim optical-drive bracket
- Chassis fan
- Voltage regulator heat sink
- Speaker
- Power button
- Power-supply unit
- Intrusion switch
- Optional I/O modules (Type C/ HDMI/VGA/DP/Serial)
- System board
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
OptiPlex 7090 Tower Service Manual
Installing the secondary 2.5-inch hard-disk drive assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the 2.5-inch hard-disk drive assembly and provides a visual representation of the installation procedure.
Steps
- Insert the hard-disk drive assembly into the slot on the computer until it clicks into place.
- For 2.5-inch hard-disk drive set as secondary, connect the black hard drive data cable and power cable to the connectors on the 2.5-inch hard drive.
Next steps
- Install the side cover.
- Follow the procedure in after working inside your computer.
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