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
6. Unroute the system fan cable from the routing channel on the system-fan bracket [1].
7. To release the system fan from the bracket, pull the rubber grommets and remove the grommets securing the system fan to
the bracket [2].
8. Lift the system fan off the system-fan bracket [3].
Figure 16. Removing the chassis fan
Installing system fan
Steps
1. Insert the rubber grommets through the holders on the system-fan bracket, align the system fan holes with the rubber
grommets and insert the rubber grommets through the holes on the system fan to secure the system fan to the bracket [1].
2. Route the system fan cable through the routing channel on the system-fan bracket [2].
Disassembly and reassembly
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