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. Disconnect the intrusion switch cable from the connector on the system board and undo the cable that is routed along the
clips on the chassis.
2. Slide the intrusion switch and push it to remove it from its slot in the chassis.
Installing the intrusion switch
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following images indicate the location of the intrusion switch and provides a visual representation of the installation
procedure.
Disassembly and reassembly
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