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Monitor control lock problem

\015 My SAMTRON 56v monitor is having a problem. The Monitor's menu appears by itself. It was discussed in a previous description but not resolved. It shows the control lock window and will fluctuate between locked and unlocked without activation of the menu button on the monitor itself.\015\012\015\012The control lock window is switching between the CONTROL LOCK and UNLOCKED mode every each 5 seconds and is smack in the middle of the screen.\015\012\015\012When unlocked I can press the exit button and it will change to the blue - access function window but the up down buttons do not work. It will then go back to the red locked window and continue through the rotation.\015\012\015\012Please advise\015\012I have a Samtron 76E and have exactly the same problem as Thiru. The Control Lock screen only appears when I turn the computer and screen on and goes through the same sequence as Thiru explained, right in the middle of the screen. After a few minutes it just turns itself off and there are no more problems till the next time I turn the computer on.\015

Answers :

Replace the small 78L05 regulator 5V supply to micro.
How to solve the problem of this type. please send the solution.
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