Power button doesn't wake up, volume buttons freezes phone, then reboots

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http://forums.androidcentral.com – I am now banging my head on my desk after several hours of trying to resolve this issue. Bought phone used a few weeks ago. Every thing has been working fine. Yesterday the phone froze up while answering a call. Now the phone's power button stopped waking up the phone. It will wake up if I plug it into the charger. If I press the volume button, they will move and then the volume control screen freezes onto the screen and the volume control no longer works. I can still navigate (with the volume control frozen on upper portion of the scree) around the phone for a little while, then the phone wi (HowTos)