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 and remove the following cables from the system board:
a. System fan cable
b. Intrusion cable
c. I/O panel cable
d. CPU power cable
e. System board power connector cable
f. SD card cable
g. Type-C cable
h. I/O USB cable
i. Primary hard drive SATA cable
j. ODD SATA cable
k. Speaker cable
l. I/O audio cable
2. Remove the eight screws (#6-32) that secure the system board to the chassis.
3. Slide the system board out of the chassis.
Installing the system board
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 system board and provides a visual representation of the installation procedure.
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Disassembly and reassembly