Posted by sp1der on Feb 05, 2013; 2:02pm
URL: https://forum.librecad.org/LibreCAD-User-Manual-New-Content-2-14-13-tp5707420p5707546.html

Make sure the layer you are working on for the dimensions is not hidden, you can see in the example that layer 'Draw' is hidden.
Simply click on the 'eye' icon to hide or un-hide layers.