audio earphone problem

[sawansolanky]

HI, I have a Dell laptop model-VOSTRO 15 3000 Series, Intel(R) Core(TM) i5-8250U 8th gen, Ram 8gb Rom 1 Tb, AMD Radeon 520, w

 

[Saga Lout]

Are we to assume the headphones don't produce any sound? Are they plugged into the right socket? Do they work in another machine?