My laptop does this thing where it's at 100% i have charger plugged in and all of a sudden it starts beeping and the charger light starts flashing. after that i have to unplug the charger and wait till it goes down to 10% to plug it back in. normally that wouldn't be that big of a deal but my laptop lags until I unplug the charger and plug it back in but until it reaches 100% it will just start the beeping again and i have to wait till 10% again. Please help!