- Notes, cautions, and warnings
- Working on your computer
- Technology and components
- Major components of your system
- Removing and Installing components
- Recommended tools
- Screw size list
- Motherboard layout
- Side cover
- Expansion card
- Coin cell battery
- Hard drive assembly
- Front Bezel
- Hard drive and optical drive module
- Optical drive
- Memory module
- Heat sink and fan
- Intrusion switch
- Power switch
- Processor
- M.2 PCIe Solid State Drive -SSD
- Intel Optane card
- SD card reader - optional
- Internal Antenna - optional
- External Antenna - optional
- M.2 2230 WLAN card - optional
- Power supply unit
- Speaker
- System fan
- System board
- Troubleshooting your computer
- Getting help
- Dust Filter for Dell Precision 3431 Small Form Factor
- Installing the USB Type-C card
- Installing the VGA card
- Cable cover for Dell Precision 3431 Small Form Factor
Dell Precision 3431 Small Form Factor Service Manual
Installing the expansion card
- Insert the expansion card into the connector on the system board.
- Press the expansion card until it clicks into place [1].
- Close the expansion card latch and press it
until it clicks into place [2].
- Install the Side cover.
- Follow the procedure in After working inside your computer.
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