Turn the ignition off, wait 15 minutes. See if you can unplug all the cables including the power from the unit. Wait 30 Minutes then plug everything back in. Computer equiptment is crazy stuff and sometime denying them resources make them reboot.

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….