Tablets have touch screens and due to electrical network touch screen can get touch by itself. When I supply power from UPS there is not any problem but when I connect to electrical network touch screen detect touch without anybody touching.We need a much better explanation than just "Ghost Touch". So tell us what specificly happens and under what conditions it happens.
Are you getting resposes like you would expect from a touch pad? Or is it switching on and off with nobody near? Tablets have touch screens and those are quite static sensitive. Is it that sort of symptom?
I tried it but it didn't solved the problem. The problem cause from electrical network but I dont know how to filter it. I am using adapter which as input 220 Vac and output 12Vdc/1A.OK, then the solution is to clean the touch screen completely, get all the fingerprints and smears off and make it look clean. An easy solution for the problem.
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