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
System fan
Removing system fan
Steps
1. Follow the procedure in Before Working Inside Your Computer.
2. Remove the:
a. Cover
b. PSU hinge
c. Heatsink assembly
3. Disconnect the system fan cable from the connector on the system board.
4. Remove the #6-32x1/4'' screw that secures the system-fan bracket to the chassis [1].
5. Slide the system-fan assembly towards the front of the computer to release it from the chassis and pull the system-fan
assembly to remove it from the system [3].
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Disassembly and reassembly