Green lights. Green lights indicate that the console is powered and operating correctly. The number of green lights indicates how many controllers are connected. One red light. This is the Hardware Failure indicator. It is usually accompanied by an “E74” or similar code displayed on the TV. This is caused by the video scalar chip being damaged. Two red lights. This is an overheating error. If the console becomes too hot, the system will shut down and display this light code. The fans will continue running until the components have been cooled. Three red lights. This is the General Hardware Failure, also known as the Red Ring of Death. This indicates that one or more components have failed, and that the system is no longer operable. No error code will be displayed on the TV. Four red lights. This indicates that the AV cable is not correctly plugged in. Check the connection from the console to the TV. This code will not display for HDMI connections.
You don’t need to apply very much thermal paste. If the paste oozes out when you put the new heat sink on, then you have too much. Remove the heat sink again and clean the excess thermal paste.
Be sure to choose with a trusted establishment. Don’t just send your Xbox to the first website you find online, do some research and make sure they are legitimate.
Microsoft may repair your console up to three years after you purchased it.
Excess heat warps the motherboard, separating it from the CPU and GPU.
Even stacking a couple of game cases on top of the Xbox can cause a significant increase in heat.
