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. Insert the PSU into the PSU slot and slide it towards the back of the computer until it clicks into place.
2. Replace the four #6-32x1/4 screws to secure the PSU to the computer.
3. Place the power supply bracket and tighten the two #6-32x1/4 screws to secure the PSU to the computer.
4. Insert the PCIe card holder into the slot on the chassis and press it firmly to secure the holder to the top of the graphics
card.
Next steps
1. Open the PSU hinge.
2. Connect the power supply cables and close the PSU hinge.
3. Install the cover.
4. Follow the procedure in after working inside your computer.
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Disassembly and reassembly