Insignia 27. heya, i have an Insignia 27" LCD and there is no power, no lights, no nuttin, not

Question

heya, i have an Insignia 27" LCD and there is no power, no lights, no nuttin, not even a click when ya plug it in. would it be the ower supply and if so how easy a fix is it? or what will it run to get it fixed professionally? (about)
this haopened about 1 month after the warranty ran out
PUNKS!!