My laptop has no sound

[gaby_48]

my laptop suddenly has no sound can anyone please tell me why

 

[AntiZig]

you muted the sound?

 

[gaby_48]

no

 

[Jim_L9]

Does it show under Device Manager? Is there anything plugged into the headphone jack?

 

[gaby_48]

device manager says it is working properly - there is nothing plugged in