Monitor problem There is a small black rectangular box that goes on and off in about 7 second intervals with a message in white letters that says Menu Locked on one interval and Menu Unlocked on the next. This happens continuesly and has been going on for quite some time. In addition, periodicaly another black box will appear that has the the icons for the brightness controls and etc.

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William Miller

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9,179 Answers

Odd. The manual doesn't mention anything about that. It almost sounds like one or more control buttons is partially shorted or leaky. That can happen if a foreign substance got in it or it was stored in an unheated garage or shed for a long time, etc.

Posted on Jan 22, 2007

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