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 IO audio cable from the connector on the system board and undo the cable from routing guides next to the
system board on the chassis
2. Disconnect the following cables from their respective connectors on the system board:
a. System board power connector cable
b. SD card cable
c. Type-C cable
d. IO USB cable
3. Remove the single (#6-32x1/4) screw that secures the IO panel to the chassis.
4. Lift the IO panel to release the tabs on the IO panel from the slots on the chassis.
5. Pull the IO panel along with the cables to remove it from the IO panel slot in the chassis.
Installing the IO panel
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 IO panel and provides a visual representation of the installation procedure.
Disassembly and reassembly
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