Laptop Blue Screen Of Death Thermal Shut down
My wife’s laptop was occasionally showing the Blue Screen of Death. There are several reasons for this to appear, but after investigation I was able to determine the cause.
I installed the free program ‘Core Temp’ which was easily able to provide the CPU temperature. After checking the temperature, it reached peaks of 85°C. No wonder she would complain that her laptop would burn her leg. Maybe I should have listened sooner…….
I decided to disassemble the laptop to inspect the reason for the high temperature.
After carefully removing the cooling heat sink and fan, the answer became obvious!
So much dust had accumulated that it had completely blocked the fan vent outlet. No wonder it was overheating and shutting down to protect the system!
After a thorough clean with a vacuum cleaner of the whole area, cooling fan & heat sink, it was ready for reassembly. Cleaning the CPU & GPU with Isopropyl Alcohol removed any remnants of old thermal paste. New thermal paste was applied and evenly spread with an old plastic card.
After reassembling the laptop I ran the ‘Core Temp’ program and found that the processor was now running at about 46° – a great improvement on the original 85°!
To see the full process, see the video link below.
I just noticed that Humberto (thanks for your article Humberto) entered an article with a similar problem. This highlights to me the importance of electronic appliance maintenance. Dust is one of the major contributors to failure due to overheating. Maintenance is something that we should encourage customers to be involved with. Not only will it help preserve their electronics for trouble free use, but also supply us with regular work. However, if people are anything like my automotive customers, they only usually get work done on their car only when it has broken down on the side of the road!
Never mind, all we can do is make useful suggestions and hopefully it will keep these electronics out of landfill.
This article was prepared for you by Mark Rabone from Australia.
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Note: You can check out his previous repair article below: