Touch Screen has stopped working
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We have many ViewSonic IFP7550 viewboards in our school district and a few of them have lost their touchscreen functionality. I have checked connections, reseated the cable and tried the reset using the volume up-->settings--> home buttons, but we have been unable to restore the the functionality. What am I missing?
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Hi,
Thanks for your message. According to the information about the machines, it may have some issues about hardware. Kindly contact our region support team. Our engineer will help you to fix the problem, thank you again. -
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