Skip to main content
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.

Dell Precision Tower 3420 Owner's Manual

Installing the system fan

  1. Place the system fan in the computer.
  2. Pass the grommets through the chassis and slide outward along the groove to secure it in place.
  3. Connect the system fan cable to the system board.
  4. Install the:
    1. optical drive
    2. hard drive
    3. front bezel
    4. cover
  5. Follow the procedure in After Working Inside Your Computer.

Rate this content

Easy to understand
Was this article helpful?
0/3000 characters
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please select whether the article was helpful or not.
  Comments cannot contain these special characters: <>()\