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no luck with factory reset and assembling back
unfortunately it still doesn't work even when assembled.
By the way, what's the IR? Infrared? According to wikipedia infrared touchscreens have an array of IR LEDs and detectors on the perimeter of screen, and I don't see any. Just a screen with some protective glass covering it. Case is just an empty plastic box. Although front cover has some black plastic layer from inside which is bent towards the screen on the perimeter. But looks like it just for dust protection.
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