Owners Manual
Table Of Contents
- Precision 3640 Tower Service Manual
- Working on your computer
- Technology and components
- Major components of your system
- Disassembly and reassembly
- Recommended tools
- Screw list
- Chassis rubber feet
- Cover
- SD card—optional
- Bezel
- Hard drive
- PSU hinge
- Graphics card
- Memory module
- Speaker
- Coin cell battery
- Power supply unit
- Optical drive
- WLAN module and SMA antenna
- IO panel
- Solid state drive
- Power button module
- Heatsink assembly
- Voltage regulator heat sink
- Front fan
- System fan
- Optional IO card
- Processor
- Intrusion switch
- System board
- Troubleshooting
- Getting help and contacting Dell
- Cable cover
- Dust filter
4. Close the PSU hinge.
5. Install the Front bezel
6. Install the cover.
7. Follow the procedure in After Working Inside Your Computer.
WLAN module and SMA antenna
Removing WLAN module and SMA antenna
Steps
1. Follow the procedure in Before Working Inside Your Computer.
2. Remove the:
a. Cover
b. PSU hinge
3. Remove the single M2x3.5 screw that secures the WLAN card to the system board, un-route the antenna cables from the
rubber guides on the system board [1].
4. Slide and remove the external antenna connector from the PCIe slot on the chassis [2].
Disassembly and reassembly
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