Default [Q] Frozen On Splash Screen

I rebooted after installing a mod and my phone is now frozen on the splash screen. I have held the power button down for 5 minutes. adb does not see the phone. Any ideas any one?

NM...figured it out
Current Device:

HTC One (M8)

Former Devices:

HTC One (M7) Verizon
Samsung Galaxy S4
HTC One (M7) Sprint
HTC EVO LTE
HTC EVO 3D
HTC EVO 4G