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Simple to Solve - Previous Shutdown Due to Thermal Event and Sudden Shutdown

Updated on January 15, 2014

Previous Shutdown Due to Thermal Event

Your computer is not booting properly and showing a message Previous shutdown due to thermal event? Here is a solution to permanently fix this PC issue before its too late and you end up in a situation to scrap the motherboard. Its quite normal problem your computer beeps two times or beeps for long and shuts down automatically, if you press the power button again the computer starts showing this message and shuts down again after few minutes.

I experienced the similar problem with my Dell computer and it encouraged me to write this article to help people like you, who are facing the similar problem. Here is the reason behind the boot issue which shows 'Previous shutdown due to thermal event' and permanent solution to fix it.

It was quite some time I used my computer and left it to dust. Last week I got some time to clean it up and switch on. I removed the covers and found soft sponge kind of dust all over the motherboard and CPU fan. I cleaned them using a vacuum cleaner and checked all motherboard and fan cables before closing the covers. For my surprise, my computer gave two beep sounds and shutdown immediately. After few minutes I pressed the power button one more time and found the message previous shutdown due to thermal event. The computer is up for very little time after rebooting and closed down without any warnings.

Initially I thought I made something wrong while re-connecting the cooling fan cables. I removed the covers again and checked the connections. For my knowledge everything was perfectly alright and there was no reason for CPU overheating. Replaced the covers and tried to start the computer and experienced the same problem. I really couldn’t understand what the hell is this thermal event which is preventing my computer to work fine? After many attempts I couldn’t solve the issue.

Previous Shutdown Due to Thermal Event

As soon I reached the office next day, I did a lot of research to find out the solution to fix my computer. Finally I understood what I did wrong and also solved the CPU overheating and sudden shut down problem successfully. For this method you don't need to be a hardware specialist, any one who knows to unscrew the CPU can do this. You can also save some money and time you could spend on hardware technician.

You may be aware that, there will be a dedicated heat sink and fan which is mounted on top of your processor. But you might not have noticed a thin film between the processor and heat sink. The mistake I did was wiping this thin film while cleaning my computer, thinking that it may be some kind of rust or corrode. The main purpose of this thermal paste or grease is improving the conductivity between processor and the heat sink. Higher conductivity results in complete transfer of CPU generated heat to heat sink and avoid overheating.

As I cleaned the thermal paste, complete heat was not getting transferred out from the processor to the heat sink and cooling fan. Within few seconds of booting CPU was getting hot and shutting down immediately to avoid any damage to the processor or motherboard. On next booting it will give a long beep or two beeps and showing up a warning message 'Previous shutdown due to thermal event'.

Now the reason behind the problem may be clear to you. This peculiar issue occurs if the heat from processor is not completely removed by heat sink or the cooling fans. Even this problem may occur if the paste is aged or the heatsink fan is not running at its full speed due to mechanical wear or dust inside the motor. Now it may also be clear to you how to overcome this PC overheating and sudden shut down problem. Following are the things you should do to make your computer run normal.

Thermal pastes are available to buy online at very cheap price, some links from Amazon are also provided in this article to help you out. You can order them online and get them delivered at your doorsteps. Do not switch on your computer again till you get this paste and apply them. Starting the computer without thermal grease may overheat the processor and serious damage may occur to your computer.

You can also consider buying a new heatsink and processor fan, if the thermal event is not due to thermal paste wear out and because of slow running of fan. You can also add one more exhaust fan to your cabinet. Spending little money on these accessories will save life of your expensive processor and motherboard.

Hope this article helped you to fix the previous shutdown due to thermal event alert message and sudden shut down due to overheating. Tryout listed suggestions and comeback to write your valuable comments. This article is copyrighted and monitored; do not copy to avoid legal consequences. Share this article link with others who are in need.

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    • profile image


      2 years ago

      thanks brother

    • profile image


      3 years ago




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