SERGE MANN

My iPhone 5 keep beeping when charging after screen replacement. Phone can't be turn on either. I have tried to hold power+home button to wake the phone up and also did few exercise as mentioned below. -Elevated the screen -Removed the shield that connects the batter to the main board -Disconnected battery -Held down the power button at the top of the phone to remove and remaining power -Reconnected battery -Placed shield back -Reconnected screen to the phone but no result, its still beeping on charging and screen is blank. Please help me to wake this phone. Thanks