No sound from Focusrite Scarlett

I am using a focusrite Scarlett solo audio interface with audacity but no sound is coming out of my guitar when I am using Audacity can anybody help please

Moderator note: please do no tag a new issue on the end of a different existing thread. I have move this for you to a new post of its own.

If you plug your headphones into the focusrite, you should be able to hear the guitar using the “Direct Monitor” function (refer to the focusrite manual for details).