How can I reboot my S4 when the screen is black?

[Cmkersey]

I give up now :/

Samsung Galaxy S4
Model: SGH-M919
So today my battery wasn't working but I got it to work now my screen is completely black I can't get into it. Now it won't even start up I just to reboot it but, how am i suppose to do that when my screen is black. I've tried home key + Power key+ Volume up nothing seem to work I have a minor crack it but that's it. My phone never fell in liquid I brought a brand new charger and everything it just won't work. Please help me

 

[Rukbat]

Re: I give up now :/

1) The battery may be dead. (There are things between the charging port and the battery - if one of them is bad, the battery won't charge.)

2) The screen may be dead.

3. The shock that broke the screen may have broken something on the motherboard.

It has to do into a shop for diagnosis.

 

[Cmkersey]

Re: I give up now :/

What do you mean by the screen may be dead my LED light turn on perfectly fine