I got an old XBox 360 that keeps freezing, even when not playing games. No warning with the 4 lights on front. It just freezes anywhere from 30 seconds to 5 mins after it turns on. I've made sure it's well ventilated, I've cleared the cache, nothing works. I though it might be over heating, but after cleaning the inside and getting new thermal paste, it still doesn't do much good.
Any ideas? What are my options?