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
Contacting Dell
Dell provides several online and telephone-based support and service options. If you do not have an active Internet connection,
you can find contact information about your purchase invoice, packing slip, bill, or Dell product catalog. Availability varies by
country/region and product, and some services may not be available in your area. To contact Dell for sales, technical support, or
customer service issues:
1. Go to https://www.dell.com/support/.
2. Select your country/region from the drop-down menu on the lower right corner of the page.
3. For customized support:
a. Enter your system Service Tag in the Enter your Service Tag field.
b. Click submit.
● The support page that lists the various support categories is displayed.
4. For general support:
a. Select your product category.
b. Select your product segment.
c. Select your product.
● The support page that lists the various support categories is displayed.
5. For contact details of Dell Global Technical Support, see https://www.dell.com/contactdell.
NOTE: The Contact Technical Support page is displayed with details to call, chat, or email the Dell Global Technical
Support team.
NOTE: Availability varies by country/region and product, and some services may not be available in your area.
106 Getting help and contacting Dell