just hear beep sound in my laptop ,when i go to the volume control it says
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Volume Control
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There are no active mixer devices available. To install mixer devices, go to Control Panel, click Printers and Other Hardware, and then click Add Hardware.
 
This program will now close.
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OK
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media player says
 
Windows Media Player cannot play the file because there is a problem with your sound device. There might not be a sound device installed on your computer, it might be in use by another program, or it might not be functioning properly.
 
in device manager have only 6 hardware listed under sound,video and game controllers
 
Audio Codecs
Legacy Audio Drivers
Legacy Video Capture Devices
Media Control Devices
SoundMAX Integrated Digital Audio
Video Codecs
 
have trying to search the forum for the problems and install the realtek driver but failed as i got error
i'm sorry i cannot speak english well
thanks
 
Edit
 
after up[censored] the SoundMAX audio , microsoft kernel wave audio mixer appear listed under the sound,video and game controllers and it seems that that device got an error message
 
Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. (Code 19)
 
please help me , thanks