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 power button module into its slot on the system and press the notches and secure it to the system.
2. Affix the adhesive tape to secure the power button module to the system.
3. Route the power button module cable through the routing clips on the system.
4. Connect the power button module cable to the connector on the system board.
Next steps
1. Install the IO panel.
2. Install the bezel.
3. Close the psu hinge.
4. Install the cover.
5. Follow the procedure in after working inside your computer.
Speaker
Removing the speaker
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the cover.
3. Open the psu hinge.
About this task
The following image indicate the location of the speaker and provides a visual representation of the removal procedure.
NOTE:
Speakers are for troubleshooting purposes only and cannot be used for audio output in the operating system
environment.
46 Disassembly and reassembly