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
3. Restart the system and press F2 to enter the BIOS Setup menu.
4. In the BIOS Setup menu, navigate to System Configuration > Dust Filter Maintenance and select from any of the
following intervals: 15, 30, 60, 90, 120, 150, or 180 days.
NOTE: Default setting: Disabled.
NOTE: Alerts are generated only during a system reboot and not during normal OS operation.
Next steps
To clean the dust filter, brush or gently vacuum and then wipe down the external surfaces with a moist cloth.
94
Dust filter