my phone screen won't do anything. I've tried shutting down, but the message comes up, slide down to shut off, but it won't let me?

[Randybev1]

myWindows phone screen won't do anything. I've tried shutting down, but the message comes up, slide down to shut off, but it won't let me?

[primortal]

Little hard to help without knowing what phone you have

If its a Lumia device hold the power and volume down button for about 10 seconds till it vibrates and reboots.