Why is the keyboard and mouse not working when powered on?
MacBook Pro 13 " Unibody Mid 2012 keyboard... and mouse do not work after powered on.
The only key that works is the shut down/Power on key. When turned on, the screen shows, mouse arrow in upper left corner not moving, and no keys work. The cursor is blinking in the password box. How can anything be fixed with no keyboard or mouse?
Is this a good question?
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Has it had a liquid spill or impact damage?
by mayer