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

OptiPlex 7490 All-In-One Service Manual

PDF

Installing the audio board

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The following image indicates the location of the audio board and provides a visual representation of the removal procedure.

Image: Installing the antenna modules

Steps

  1. Align the screw hole on the audio board with the screw hole on the display-assembly base.
  2. Replace the screw (M3x5) to secure the audio board to the display-assembly base.
  3. Connect the audio-board cable to the system board.

Next steps

  1. Install the side-I/O board.
  2. Install the speakers.
  3. Install the rear-I/O bracket.
  4. Install the bottom cover.
  5. Install the wireless card.
  6. Install the system-board shield.
  7. Install the back cover.
  8. Install the cable cover (optional).
  9. Install the stand.
  10. Follow the procedure in After working inside your computer.

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: <>()\