Owners Manual
Table Of Contents
- Precision 3240 Compact Service Manual
- Working on your computer
- Technology and components
- Major components of your system
- Disassembly and reassembly
- Recommended tools
- Screw List
- SMA antenna
- Side cover
- Top Cover
- Front bezel
- Hard-drive assembly
- WLAN card
- Speaker
- Fan assembly
- Memory modules
- Riser card
- Dell Ultra Speed Drive
- Graphics card
- Solid-state drive
- Optional IO card
- Coin-cell battery
- Heat sink
- Interposer module
- Processor
- System board
- Internal antenna
- System board
- Internal antenna
- Troubleshooting
- Getting help and contacting Dell

Steps
1. Align and lower the system board into the system until the connectors at the back of the system board align with the slots
on the chassis, and the screw holes on the system board align with the standoffs on the system.
2. Align the slot on the hard drive caddy support with system board and place the hard drive caddy on the system board.
3. Replace the screw (#6-32) to secure the hard drive caddy support to the system board.
4. Replace the three (M3x4) screws and three (#6-32) screws to secure the system board to the chassis.
Next steps
1. Install the interposer card.
2. Install the heat sink.
3. Install the optional I/O card.
4. Install the solid-state drive.
5. Install the riser card.
6. Install the memory modules.
7. Install the fan assembly.
8. Install the speaker.
9. Install the WLAN card.
10. Install the hard drive assembly.
11. Install the side cover.
12. Install the SMA antenna.
13. Follow the procedure in after working inside your computer.
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Disassembly and reassembly