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
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 on page 21.
3. Open the PSU hinge on page 23.
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.
A
Optional IO card 85