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

Inspiron 3020 Desktop Service Manual

PDF

Removing the power-supply unit

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the left-side cover.

About this task

The following image(s) indicate the location of the power-supply unit and provides a visual representation of the removal procedure.

Removing the power-supply unit

Steps

  1. Place the computer on its side with the left side facing up.
  2. Disconnect the graphics-card power cable from the graphics card.
  3. Press the securing clip and disconnect the processor-power cable from the system board.
  4. Press the securing clip and disconnect the system-board power cable from the system board.
  5. Remove the power-supply unit cables from the routing guides on the chassis.
  6. Remove the three screws (#6-32) that secure the power-supply unit to the chassis.
  7. Slide and lift the power-supply unit off the 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: <>()\