my Nissan frontier wont start could only hear the fan from the outside.......... on 2008 Nissan Frontier

my frontier wont turn on and its not the battery... because the lights turn on, the radio turns on.. it just wont start

Asked by for the 2008 Nissan Frontier
poss bad ipdm or fuses inside, but fuses are not replacable. haveit diag b4 wasting big money