i have a Magnavox tv and the ps3 system itself does work but it wont show on my tv. i had recenty unhooked it and brought it to my friends hows last night. i tried to hook it back up at my house and will not show on my tv. i did not bang it or anything when i was over my friends house and i do have all the wiring for the system. can you please help me and tell me some ways i could try and fix this.