How do I do a reboot on my galaxy s6

[AC Question]

I'm trying to charge my phone but when I connect the USB cable it keeps coming up with the dock is connected

 

[bksalt]

With the phone off hold done the volume up button, the open button and the bottom button all at the same time when you get the opening screen let the bottom button go still holding the other two down. This will give you an Android Menu and reboot from there.