Is easy. you need software/driver for your sound hardware.
how to find?
Find your model and name for your speaker.
if you know, then you easily google for it.
---------------------------------------------------------------
if you dont know name and model.. Open device manager
if you dont know,
click here. choose your operating system(os) that you use now(current os)
Example picture show the problem hardware
can you see it?. Icon with yellow color in question mark that your hardware have problem with driver. Try to right click and once window will pop up.
Find driver tab. And update, It will need more time depending your pc/laptop.
If you dont have internet connection with that cpu, then you can find a google using other pc/laptop with internet. type your's device/hardware name/model +driver at google.good luck
×