Dust filter
The dust filter for the Precision Tower 3640 helps protect the system from fine dust particles. After installation of the dust filter, the BIOS can be enabled to generate a preboot reminder to clean or replace the dust filter based on the time interval set.
About this task
Follow these steps to install the dust filter:
Steps
- Align the plastic tabs of the dust filter to the slots on the system chassis and gently press to ensure that the dust filter fits firmly onto the system.
- To remove the dust filter:
- With the help of a plastic scribe, gently pry the edge from the bottom to loosen the dust filter [1].
- Remove the dust filter from the system chassis [2].
- Restart the system and press F2 to enter the BIOS Setup menu.
- In the BIOS Setup menu, navigate to
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.