I have an XBOX 360e RHG, which stopped booting up a couple of weeks ago. Doing plenty of research I found a couple of reasons. Apparently my CR Rev-D gave out. So I decided to replace it with an Ace V3. I soldered everything the same way, but upon trying to boot up, it leads to a red light in the power button. So I resoldered the Rev-D back on and again I get a green light in the middle but no ring and no boot up. I soldered the Ace V3 again, but back to the red light. SOS. Thanks for the help.