May be Your Power Button damaged for usiging many days. you can open the casing and check the button link which connect to your monitor circuit. if any leckage or not connected with circuit then wash the button by thinner( not use other chemical like petrol). if not work in spite of do this then change your button.
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May be Your Power Button damaged for usiging many days. you can open the casing and check the button link which connect to your monitor circuit. if any leckage or not connected with circuit then wash the button by thinner( not use other chemical like petrol). if not work in spite of do this then change your button.