lose sound at idle

I'll put up my laptop to work as a digital video recorder, so I put to keep when I close the lid, so it's all the time.  After sitting for a while the noise stops working.  If I open it, the sound starts working again.  It's as if the sound goes into sleep mode if not used for a long time.  How can I fix?  I m get a blue dental keyboard and mouse to control from the couch, and I don't want to have to open and close every time I want to use.  Any ideas?

Hi Rob,

 
I suggest you to follow the steps and check if it helps.
 
 
Reset power settings by default by following the steps and check if it helps.
 
(a) spend start.
(b) type CMD.exe in the search box and right click above.
(c) click on Run as Administrator.
(d) type the following command and press ENTER:
powercfg - restoredefaultschemes
 

Tags: Windows

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