you need
  • Sound Card Driver, internet access, Phillips screwdriver
If you do not have drivers for your sound card, read what herwritten - the name and manufacturers.Record this information.

Unplug the power cord of the system unit from the power supply.If the computer is connected to the external audio device - Speakers, headphones, a microphone - disconnect them.Remove the screws that hold the side panel of the system unit, and remove the panel.
If your motherboard has a sound card, remove the screw with which it is held, and pull the card out of the slot.If you used only the integrated sound card, next to the slot where you plan to install a new device Okrut screws and remove the meta
l strip covering the opening on the back of the chassis.
Insert the card into the slot firmly, until it stops and secure it with a screw.Replace the side panel, tighten the screws.Take a good look as they should attach an external device: their plugs and appropriate connectors or a sound card marked with the same color, or the connectors on the card there is a schematic representation of the external devices.
Connect the computer to a power source, press the Power.If the motherboard of your computer has a built-in sound card, it must be disabled in the settings BIOS (Basic In-Out System).Watch out for messages that appear on the screen after the initial download.You will see something similar to the Press Delete to Setup.Press the key whose name you read, and go into the settings BIOS.The menu items, find the option that determines the status of integrated devices.Perhaps it will be called OnBoard or Integrated.Set the Audio Device in state Disable.Press F10, to save the settings and exit BIOS.Booting will continue.
If your computer is running OS Windows, the system will detect the new device and will attempt to find a driver for it.If the driver is recorded on an optical disk, insert it into the drive and select the source where you will be prompted by the system.If you do not have the driver, visit the manufacturer's website and download the necessary software from there on your hard drive.When the system asks you to specify the path to the driver, click on the button "Browse" and select the location on your hard drive where the driver is.