Ok, Ive got a softmodded xbox w/ a 30 gig hd uprgrade w/ evox dash . i tried turning it on and it wont turn on.so i took it all apart{the xbox} and put it back togther . Still no luck. Its a good power cord cuz i tried it on a friends xbox . i tried plugging it into different wall sockets but it wont work. This is the second time this happend . Usually , a week later it starts workin again. how can i fix this so it powers on and i dont have to worry about it not workin when i want to play again?
you have a bad power supply. all you need to do is find out what version xbox you have and get a power supply off ebay that is right for you xbox. i had a similar problem