I had updated the bios of Lenovo Thinkpad T440P. It is my friend laptop. It was having a bit problem with performance. The drive was slow and there was blue screen error. I thought first this is a driver issue and updated all. But it did not helped. Later on I found a solution on Lenovo forums to update the bios. I did that. After that a new problem started. The system is turning off automatically. There is no specific time interval.
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