How can a screen sense touch? A basic understanding
2018-2-13 · Never touch the connectors directly with your fingers or any metal device. Open the front panel. Detach the front panel from the main unit. Using a cotton swab lightly dipped, not soaked, in alcohol, clean the connectors on the front of the main unit and on the back of the front panel. Wait approximately 2 minutes before reattaching the front ...
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