You likely can correct the model number, get the manual to check for any resets.
I'm using LG 19M45A LED Monitor for My PC. Last Couple of days when I start my Pc then the monitor Go automatically in "Reader Mode". If I try to set it normal mode..Then any of the button where I click it response same and Auto fit The Video size.. if I try to stop and start it again then its again behave the same..Except Power button any of the buttons not working. its always working abnormally by its own..

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