Dell Precision 490 Quick Reference Guide página 18

4 Connect the speakers.
NOTE:
If your computer has a sound card installed, connect the speakers to the card.
Connect the power cables
5
and turn on the computer
and monitor.
6
Install additional software or devices.
Before you install any devices or software that did not come with your computer, read the documentation
that came with the software or device or contact the vendor to verify that the software or device is
compatible with your computer and operating system.
You have now completed the setup for your desktop computer.
18
Quick Reference Guide