You will need
- Program Is Everest.
If the notebook has no sound, first check if you can see it in device Manager, sound equipment. To do this, open "start" - "control Panel" - "System" - "Hardware" - "device Manager". Look in the opened window, the item "Sound, video and game controllers". If any of the items marked with a question mark or an exclamation mark is yellow, then the reason for the lack of sound is likely associated with the lack of a driver for your sound card.
Because the driver was not selected during the OS installation, the CD with the operating system its most likely not. In this case, you should find it on the Internet, you will need the exact name of the sound card. Use Everest (Aida64): install it, run. In the left column select "Computer" "summary information". You will see the complete information on computer hardware, including sound cards.
Search the web for the right driver, place it in any folder laptop. Then reopen the device Manager marked with a yellow sign in the sound card and click reinstall driver. Specify as source the folder with the downloaded driver. After installing the driver restart the computer.
If in device Manager the sound card do not, you should check the settings in the BIOS. Enter the BIOS when the computer starts, it usually need to press Del or F1, F2, F3, F10 – specific variant depends on the model of laptop. Find the tab with integrated device – name is the word integrated. In this tab, locate the sound device and view its parameters, must have the value Enabled (enabled). If Disabled (disabled), change it to need.
Check whether the sound on the laptop. If it is off, the sound icon in the tray will be marked with a red cross. To unmute, click the left mouse button and remove the bird from the point "Off".