Problem in sound

[alwiher]

Hello,
There are no sound some times when I'm opening the net ,and also when I close the net no sound in my laptop when I wan't to play any game.
it is active when I make restart to my pc and this is disturbing me.
And it is happened reiteration.
would like to help me.
with my complement

 

[alwiher]

There are no sound some times when I'm opening the net ,and also when I close the net no sound in my laptop when I wan't to play any game.
it is active when I make restart to my pc and this is disturbing me.
And it is happened reiteration.
would like to help me.
with my complement

 

[rdwarf2000]

The following may help:

http://windows.microsoft.com/en-us/windows/help/no-sound-in-windows

http://support.microsoft.com/kb/307918/en-gb