mattandbenny
1 Copper

Power adaptor not recognised

So i've had my Dell Inspiron 7000 series for over a year and everything has been fine. All of a sudden today i have started getting the following message: 

"The AC power adaptor is not recognised. System performance will be impacted. Please connect the correct Dell AC power adaptor for best system operation."

Not sure why it has started saying this as i am using the same charger i have used for the past year. When i have it plugged in then i don't lose battery but i don't gain any - i will be on the same percentage an hour later if i have it plugged in. Soon as i unplug it i start losing what little battery i have left. 

Just wondered if there is a way to fix this, and if it was a problem with the laptop or the power adaptor. 

Any help is appreciated. 

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