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
4. Close the PSU hinge.
5. Install the cover.
6. Follow the procedure in After working inside your computer.
System board
Removing the system board
Steps
1. Follow the procedure in Before Working Inside Your Computer.
2. Remove the:
a. Cover
b. PSU hinge
c. Memory module
d. Graphics card
e. SSD
f. WLAN module and SMA antenna
g. Heatsink assembly
h. VR heat sink (for models shipped with 95 W heatsink assembly)
i. Optional IO card
j. Processor
3. Remove the following cables:
● System fan cable, intrusion cable, and IO panel cable [1]
● CPU power cable [2]
● System board power connector cable [3]
4. Remove the following cables:
● SD card cable [1]
90
Disassembly and reassembly