Problem with Aurora ALX wont start

Hi; i need some help with my pc; i have a Aliware Aurora ALX; the problem is i cannot turn on my pc for however i try; i was on holiday and when i came back and turned on the pc, it did not work except the fan spin ; the CPU was hot, but the rest of it nothing happened; i have went though many forum and none can fix it; can someone give me some clues to repair it? thanks you very much