In most cases with new owners food refusal is often husbandry / stress related.

How big is she (weight?)

How big is your enclosure?

How tight are your hides?

What are your temps? What type of thermometer do you use (dial or digital?)

What bedding are you using?

What type of prey item was this snake eating prior to you acquiring it?

How often do you handle this snake?

What prey size have you been offering?

Do you feed her inside or outside her enclosure?