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
b. Loosen the 4 captive screws that secure the heat sink assembly [2] and lift it from the system [3].
NOTE: Loosen the screws in a sequential order (1,2,3,4) as mentioned on the system board.
Removing blower and heat sink assembly — 125 W CPU
About this task
These steps applies to system configurations shipped with 125 W CPU.
Steps
1. Follow the procedure in Before working inside your computer.
2. Remove the cover.
3. Open the PSU hinge.
4. Remove the three #6-32x1/4'' screws that secure the blower to the heat-sink assembly [1].
5. Flip over the blower and place it to a side [2].
Disassembly and reassembly
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