Overheating is a common problem with the Xbox 360. When this happens, it usually comes about gradually. Often it will take several hours of intense gaming before the problem shows up. In the more severe cases the console can heat up in a matter of minutes. But it's not that unusual to get overheating or the two red light error within of seconds of starting up.
For many people though, this just seems to be too bizarre to be believed and they start to wonder if their Xbox really is overheating or if the problem is something else altogether. However, if you do get the 2 red light error within a few seconds of a cold start up, there's a good chance that bad thermal compound is at fault. Thermal compound is used between the heat sink and the GPU (or the CPU). Its function is to facilitate the flow of excess heat out of the GPU and into the heat sink where the excess heat gets dissipated.
If the thermal compound has dried out or was improperly applied, the heat sink will be unable to draw off heat from the GPU (or CPU). While some heat is still able to get across the mating surface of the GPU and its heat sink, it won't be enough to prevent overheating.
An enormous amount of power gets consumed by the GPU which in turn creates a lot of heat. Because the GPU is small in size, it gets hot very fast when exposed to this heat. Small things get hot rapidly compared to larger objects. This can be observed when holding the tip of a needle to a flame. It will become red hot in seconds. If you expose an anvil to the same flame, it will never get red hot no matter how long it's exposed.
So if bad thermal paste is preventing proper cooling of the GPU, it will heat up very fast. A few seconds is all the time it needs to do this. This will trigger an immediate shutdown of the console and set off the 2 red light error. The GPU gets hot so fast that there is little time for the rest of the console to warm up. This is what baffles most people, because to them, the console still seems cool. But if they were able to touch the GPU at the moment of shutdown, they would find it very hot.
When your Xbox exhibits this instant two red light error, the thermal compound will have to be replaced. This can't be done without opening the console so you will have to use your warranty if you have one or you will have to do the job yourself.
For many people though, this just seems to be too bizarre to be believed and they start to wonder if their Xbox really is overheating or if the problem is something else altogether. However, if you do get the 2 red light error within a few seconds of a cold start up, there's a good chance that bad thermal compound is at fault. Thermal compound is used between the heat sink and the GPU (or the CPU). Its function is to facilitate the flow of excess heat out of the GPU and into the heat sink where the excess heat gets dissipated.
If the thermal compound has dried out or was improperly applied, the heat sink will be unable to draw off heat from the GPU (or CPU). While some heat is still able to get across the mating surface of the GPU and its heat sink, it won't be enough to prevent overheating.
An enormous amount of power gets consumed by the GPU which in turn creates a lot of heat. Because the GPU is small in size, it gets hot very fast when exposed to this heat. Small things get hot rapidly compared to larger objects. This can be observed when holding the tip of a needle to a flame. It will become red hot in seconds. If you expose an anvil to the same flame, it will never get red hot no matter how long it's exposed.
So if bad thermal paste is preventing proper cooling of the GPU, it will heat up very fast. A few seconds is all the time it needs to do this. This will trigger an immediate shutdown of the console and set off the 2 red light error. The GPU gets hot so fast that there is little time for the rest of the console to warm up. This is what baffles most people, because to them, the console still seems cool. But if they were able to touch the GPU at the moment of shutdown, they would find it very hot.
When your Xbox exhibits this instant two red light error, the thermal compound will have to be replaced. This can't be done without opening the console so you will have to use your warranty if you have one or you will have to do the job yourself.
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