If before it shutdowns it has 2 red light its a Overheating issue, if still under warrenty send it back to microsoft or... you can, open it up by following this guide: . http://www.rrodfix.com/how-to-take-apart-the-microsoft-xbox-360-game-console.html Stop once you've removed the dvd drive. Get a can of air, make sure its all aired out, and you hold the can horizontal don't tilt it, and short bursts. Once thats done. If you want to make sure it never overheats you can do whats called a 12v mod on the 360 it forces the fans to run at full speed. Now if you have a slim you just snip the grey wire. If its a older model you get the fans, and wire it up to a external 12v 1amp ac to dc adapter or solder it to this point :http://www.llamma.com/xbox360/mods/360-12V-fan-Mod.htm this link also shows what wires are postive and negative. And I would also suggest changing the thermal paste out for some better stuff like artic silver five. Now if you're getting Red Ring of Death which is 3 red lights you need to follow this guide :This is called Red Ring of Death or RROD by the community, it means that the CPU or GPU or both have a bad solder joint, that is caused from rapid heating and cooling from poor cooling design of the xbox 360. To fix it is pretty simple. Follow these instructions to take apart your 360: http://www.rrodfix.com/how-to-take-apart-the-microsoft-xbox-360-game-console.html Stop once you've removed the dvd drive. Now Remove the fans from the back, and set them on the heatsink on the right the flat one, and make sure they are pointing where the air is going up. Put a peice of of carboard or plastic something non conductive in between the heatsinks to prevent airflow from the fans. Turn on the 360, and leave it til it goes from 3 rings to 2 rings, wait 3 minutes, then switch the fan over to the other side. Wait about as long as you did for the other one then turn off the 360. Wait 1 hour for the 360 to cool off. DO NOT move the 360 while it is cooling down durning this period or you will permantly ruin it, the solder is being reflowed. After an hour, put the fans back, and turn the 360 on, it should work. Once its working, I recommend doing a 12 volt mod on the fans to prevent RROD from happening again, and changing out the thermal paste with artic silver 5.
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If before it shutdowns it has 2 red light its a Overheating issue, if still under warrenty send it back to microsoft or... you can, open it up by following this guide: . http://www.rrodfix.com/how-to-take-apart-the-microsoft-xbox-360-game-console.html Stop once you've removed the dvd drive. Get a can of air, make sure its all aired out, and you hold the can horizontal don't tilt it, and short bursts. Once thats done. If you want to make sure it never overheats you can do whats called a 12v mod on the 360 it forces the fans to run at full speed. Now if you have a slim you just snip the grey wire. If its a older model you get the fans, and wire it up to a external 12v 1amp ac to dc adapter or solder it to this point :http://www.llamma.com/xbox360/mods/360-12V-fan-Mod.htm this link also shows what wires are postive and negative. And I would also suggest changing the thermal paste out for some better stuff like artic silver five. Now if you're getting Red Ring of Death which is 3 red lights you need to follow this guide :This is called Red Ring of Death or RROD by the community, it means that the CPU or GPU or both have a bad solder joint, that is caused from rapid heating and cooling from poor cooling design of the xbox 360. To fix it is pretty simple. Follow these instructions to take apart your 360: http://www.rrodfix.com/how-to-take-apart-the-microsoft-xbox-360-game-console.html Stop once you've removed the dvd drive. Now Remove the fans from the back, and set them on the heatsink on the right the flat one, and make sure they are pointing where the air is going up. Put a peice of of carboard or plastic something non conductive in between the heatsinks to prevent airflow from the fans. Turn on the 360, and leave it til it goes from 3 rings to 2 rings, wait 3 minutes, then switch the fan over to the other side. Wait about as long as you did for the other one then turn off the 360. Wait 1 hour for the 360 to cool off. DO NOT move the 360 while it is cooling down durning this period or you will permantly ruin it, the solder is being reflowed. After an hour, put the fans back, and turn the 360 on, it should work. Once its working, I recommend doing a 12 volt mod on the fans to prevent RROD from happening again, and changing out the thermal paste with artic silver 5.