Owners Manual
Table Of Contents
- Precision 3640 Tower Service Manual
- Contents
- Working on your computer
- Technology and components
- Major components of your system
- Disassembly and reassembly
- Recommended tools
- Screw list
- Cover
- PSU hinge
- Bezel
- Memory module
- Hard drive
- Optical drive
- Graphics card
- WLAN module and SMA antenna
- IO panel
- Power button module
- Speaker
- Intrusion switch
- Solid state drive
- Coin cell battery
- Power supply unit
- Front fan
- Top fan
- Heatsink assembly
- Voltage regulator heat sink
- Processor
- System board
- Troubleshooting
- Getting help and contacting Dell
- Optional IO card
- Cable cover
- Dust filter
- Chassis rubber feet
Steps
1. Remove the single (M2x3.5) screw that secures the WLAN card to the system board and undo the antenna cables from the
rubber guides on the system board.
2. Slide and remove the external antenna connector from the PCIe slot on the chassis.
3. Remove the WLAN card from the system board.
4. Remove the plastic bracket from the top of the antenna connector.
40
Disassembly and reassembly