Skip to main content
Sign Out

Welcome to Dell

My Account
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Enjoy members-only rewards and discounts
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.
Sign In Create an Account Dell Financial Services Premier Sign In Partner Program Sign In
Contact Us

Your Dell.com Carts

Precision 3440 Small Form Factor Service Manual

PDF

Removing the system board

Prerequisites

  1. Follow the procedure in before working inside your computer.
  2. Remove the side cover.
  3. Remove the front bezel.
  4. Remove the hard drive assembly.
  5. Remove the solid-state drive.
  6. Remove the WLAN card.
  7. Remove the heat-sink.
  8. Remove the memory modules.
  9. Remove the processor.

About this task

The following images indicate the location of the system board and provide a visual representation of the removal procedure.

Removing the system board

Removing the system boardRemoving the system board

Steps

  1. Remove the screw (6-32) that secures the I/O panel to the system chassis.
  2. Lift the I/O panel away from the system chassis.
  3. Disconnect the intrusion switch cable from the connector on the system board.
  4. Disconnect the system board power supply cables.
  5. Disconnect the power button switch cable from the connector on the system board.
  6. Disconnect the system fan cable to the connector on the system board.
  7. Disconnect the processor power supply cable from the connector on the system board.
  8. Disconnect the SATA cables from the connector on the system board.
  9. Disconnect the SATA power cable from the connector on the system board.
  10. Disconnect the internal speaker cable from the connector on the system board.
  11. Remove the four Screws (6-32) and the single standoff screw (M2X4) that secure the system board.
  12. Lift the system board at an angle and slide it out of the system chassis.

Rate this content

Accurate
Useful
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: <>()\