Dell XPS 420, Owner'S Manual, Page: 23 / 226

Setting Up and Using Your Computer
23
• Leave a 10.2 centimeter (4 inch) minimum clearance on all vented sides of
the computer to permit the airflow required for proper ventilation.
• If your enclosure has doors, they need to be of a type that allows at least
30% airflow through the enclosure (front and back).
• If your computer is installed in a corner on a desk or under a desk, leave at
least 5.1 centimeters (2 inch) of clearance from the back of the computer
to the wall to permit the airflow required for proper ventilation.
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