Fan stays on after stopping down

Hello

After have it off my W540, (most of the time) the power button flashes, the fan will run for about 20 seconds to 1 minute until the fan stops and the power button stops flashing. If I close the lid computer until the power button darkens, it will continue to operate the fan blowing hot air continuously. It happened that I get home after work and found my computer almost melt in my computer case. This is the case for most of our Lenovo laptops that I tested it with, not only W540. It's inrellevant if im in the docking station or not.

It is a 'feature' of windows 8. By default, the close button actually closes all your programs and then Hibernate the OS kernel so that it starts faster. The power button flashing, this is what is transferred to RAM disk (I'll assume HDD because it takes 20 seconds).

To resolve this, open a prompt (run as administrator) and type the following command:

powercfg -h off

This will disable hibernation in Windows (it is not really necessary - W540 battery lasts forever in sleep, and it starts very quickly if you want to make a full stop), so kill the QuickStart.

Tags: ThinkPad Notebooks

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