Infertility: unable to reproduce.
Asking if an infertile egg can hatch is like asking if you can move while your not moving. If they hatched, they would not have been infertile eggs. If you did not see anything at all when candling, they are probably infertile. Usually the dent in the egg is an indicator of this as well. If she is laying and she is not paired up, pair her up with a male and maybe you can get fertile eggs. If shes paired up and still producing duds, one of the two has broken parts