Hi my name is ***** ***** I will be the expert working with you today to help and resolve the problem you have posted.
I am sorry to hear that you are having such trouble. I will try my best to help you out and resolve the problem as quick as possible.
Unplug the ac adapter and then wait for 30 seconds now push and hold down the power button on the computer for 45 seconds and release the button. Wait for 3 mins and the connect the power cable and power it on. Please do follow the sequence.