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ASUS S46C does not go to sleep when power is criticaly low?

Level 7
hi friends,
i use ASUS s46c ultrabook that runs on Windows 8 basic edition. it has 8GB ram, 1.7GHZ quad core Gen-III and Nvidia GeForce 635M 2GB video ram. I bought this in 2013.

Since the beginning of this year (or haven't noticed it before), when the power reaches the critically low, it does not put the laptop to sleep or hibernate instead it shuts off. it happened so many times till the OS crashed and i had to reinstall the OS about 3 times and i have given up reinstalling OS because it does not fix the problem. When one is VS 2010 for development and the machine shuts down VS 2010 shuts down so oen can imagine the pain. I have my OS up-to-date, ealier i even updated the Power4Gear power managers, but it did not fix the problem.

Could anyone explain why this happens? and how to fix it?


Level 14
notebook section