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

Chapter 1: Working on your computer........................................................................................... 6
Safety instructions.............................................................................................................................................................. 6
Before working inside your computer.......................................................................................................................6
Safety precautions.........................................................................................................................................................7
Electrostatic discharge—ESD protection................................................................................................................7
ESD field service kit ..................................................................................................................................................... 8
After working inside your computer..........................................................................................................................9
Chapter 2: Technology and components.......................................................................................10
DDR4..................................................................................................................................................................................... 10
Graphics options................................................................................................................................................................. 11
Intel UHD graphics........................................................................................................................................................11
NVIDIA Quadro P400...................................................................................................................................................12
NVIDIA Quadro P620...................................................................................................................................................12
NVIDIA Quadro P1000.................................................................................................................................................13
System management features........................................................................................................................................ 13
Systems management features................................................................................................................................ 14
USB features.......................................................................................................................................................................14
Chapter 3: Major components of your system.............................................................................. 17
Chapter 4: Disassembly and reassembly...................................................................................... 20
Recommended tools......................................................................................................................................................... 20
Screw List........................................................................................................................................................................... 20
SMA antenna.......................................................................................................................................................................21
Removing the SMA antenna......................................................................................................................................21
Installing the SMA antenna....................................................................................................................................... 22
Side cover........................................................................................................................................................................... 23
Removing the side cover........................................................................................................................................... 23
Installing the side cover............................................................................................................................................. 25
Top Cover........................................................................................................................................................................... 26
Removing the top cover............................................................................................................................................ 26
Installing the top cover ............................................................................................................................................. 28
Front bezel..........................................................................................................................................................................29
Removing the front bezel..........................................................................................................................................29
Installing the front bezel............................................................................................................................................ 30
Hard-drive assembly..........................................................................................................................................................31
Removing the hard drive assembly.......................................................................................................................... 31
Removing the hard drive bracket............................................................................................................................ 32
Installing the hard drive bracket.............................................................................................................................. 33
Installing the 2.5 in. hard drive assembly...............................................................................................................34
WLAN card..........................................................................................................................................................................35
Removing the WLAN card.........................................................................................................................................35
Installing the WLAN card........................................................................................................................................... 36
Contents
Contents 3