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 cables through the IO panel slot on the chassis.
2. Insert the IO panel tabs into the slots on the computer chassis and replace the single (#6-32x1/4') screw to secure the IO
panel to the computer.
3. Route the cables through the routing channel and connect the following cables to their respective connectors on the system
board:
a. IO USB cable
b. Type-C cable
c. SD card cable
d. System board power connector cable
Next steps
1. Install the optical drive.
2. Install the bezel.
3. Close the psu hinge.
4. Install the cover.
5. Follow the procedure in after working inside your computer.
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Disassembly and reassembly