I dropped my phone and digitizer came off

Ok, what basically happened to my iphone was i forcefully threw it because i was really mad, then i saw my IPhone 5 the phone itself and the Digitizer was detached but the ribbon cable was still attatched i could see that when i click the internal home button not the one on the screen theres this white light on the LCD screen but the Digitizer was just pitch black i looked at a few videos to put the screen back into the IPhone si saw a solution i was told to put the screen in the IPhone put my IPhone face down to its back and then i put force on the back, before i did that i turn my IPhone 5 off by holding the IPhones power button the the home button for over 8 seconds it was turned off no light on the LCD, after i done the solution the top right of the screen was not fully in the IPhone, after that, i tried turning the phone on but, no sign of light on the LCD screen, i didn't know what to do i was clueless and when i tried using the vibration toggle i felt no vibration, but, when i tried connecting it to Itunes it detechted my device but it said to connect to (Devices Name) please respond to the device, but i didn't know what to do, my phone had to no passcode so i just thought of clicking the home button to unlock the iPhone but still, asked me to respond..... please help me :(