It is rather unpleasant when, after turning on the computer again and loading the operating system, it becomes obvious that the sound does not work. Not only specific programs, but even the playback of musical compositions takes place in complete silence.
In addition, often this is accompanied by the fact that the sound does not work in browsers. To determine the malfunction, you have to perform a number of points.Bit of theory
– , . HD Audio AC97, . , . , . – , PCI PCI-E . , . , , , USB.Regardless of execution, they all work on the same principle: a special program controls the operation of the card, receiving commands from the operating system. Accordingly, if the sound does not work, then the reason can be both hardware (physical malfunction) and software (driver failure).
From simple to complex
If the sound does not work, then you should not immediately disassemble the system unit or uninstall the driver - it always succeeds. Very often, the reason is banal and is solved in two clicks of the mouse. First of all, you need to check the sound level, since some applications, instead of adjusting the volume only for themselves, change it for the entire system.. , . 50-80% . «». . , , , , .
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If the shortcut “Computer” is placed on the desktop, then everything is very simple, otherwise you will have to look for it in the “Start” menu. After calling the “Computer” properties, you must specify the “Management” link and select the first item for configuring services at the bottom of “Services and Applications”. In the list, you should find Windows Audio and specify an automatic start type for it.Next, in the device manager (properties "Computer") you need to open the section of sound, video and game components and make sure that the sound card is present. Next, determine its type and download the driver from the developer's site. The name can be found using the AIDA64 program or read in the specifications for the board (for the built-in solution), card, device (discrete options). In the case of a laptop, you must install the driver from the disk, which is always given with the computer.
If this does not help, then you should make sure that the sound card is not prohibited in the BIOS of the motherboard.