Hi, Friends I have a touch unit, when i press a key to operate the device, and closes very quickly, and I hear the sound connectors and working and then separated I have a problem and I need help in resolving
Hi, Charles Yes, the switsh type is membrane . I mean that when you press the ON key to operate the unit and then close quickly after one second . All screens in keyboard is working during this second, screen KV only do not work .