To make in the BIOS any changes, you first need to enter it. To log into the base system I / o can be used in a variety of keys: Del, Esc, F1, F2, F3, F10. Sometimes used shortcuts: Ctrl+Alt+Esc, Ctrl+Alt+Del, Ctrl+Alt+Ins, Fn+F1. Often at the start of a tooltip – for example, Press Del to enter setup.
After you enter the BIOS, find the section Integrated Periferals and look for it in the sound card. If there is a value of Disabled (disabled), change it to Enabled (enabled). Save the changes by pressing F10. In the resulting confirmation window, click Yes or type Y and press enter.
Note that to include in the BIOS the integrated sound card is not required, the system detects it. If your computer has no sound, the problem may be not related to the BIOS. Before you open the base system I / o should check to see whether the operating system sound card.
Click on the desktop, right-click the icon "My computer" and select the context menu item "Properties". In the opened window click the "Hardware" - "device Manager". Locate the line "Sound, video and game controllers".
In that case, if there are devices marked with yellow question or exclamation mark, the problem with no audio will be solved after installing the device driver. Most often it is Realtek High Definition Audio. The driver can be found in the Internet or the installation disk with the operating system.
Note that on the installation disk of the driver packs are usually in zip files. Find archives of the drivers by name single pack with sound drivers. Unzip it to a folder on the computer, and then start the driver and specify as the source folder you want. After finishing the installation, restart the computer.