I m using my laptop with direct AC power,,,,i use battery no more. When AC pwer is interupted,,it is sure that my laptop shut off immediately,,will it harms my laptop???? WIll there will be any problem in my laptop?

From the hardware perspective, you really shouldnt run into any issues. From an OS perspective, this type of power cut-off could potentially cause an issue. think about a scenario where you are in the middle of a write operation and you cut the power.

Another option is to purchase an inexpensive battery backup so that it the power fluctuates, your computer doesnt shut off.

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