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
Optional IO card
Removing optional IO card
About this task
NOTE: You may see one of these cards-HDMI/DisplayPort/VGA/Type-C based on the additional component you may have
ordered with the system.
Steps
1. Follow the procedure in Before working inside your computer.
2. Remove the cover.
3. Open the PSU hinge.
4. To remove the optional IO card:
a. Disconnect the IO card cable from the connector on the system board [1].
b. Remove the two M3X3 screws that secure the IO card to the system [2].
c. Remove the IO card from the system [3].
Installing the optional IO card
Steps
1. To remove the metal bracket as shown below, insert a flathead screwdriver in the hole of the bracket [1], push the bracket
to release the bracket [2], and then lift the bracket out from the system.
Disassembly and reassembly
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