“When being used as an external display, can the touch screen inputs be forwarded to the attached device? Can I use this as an external touchscreen for another device?”

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• The Lenovo IdeaCentre A540-24 All-In-One System has an HDMI-In port for connecting an external video source to the IdeaCentre A540-24 AIO and using the IdeaCentre A540's screen to display content from that compatible external video source. The touchscreen functionality would still be operable on the IdeaCentre A540-24 AIOs screen.

  Answered by Lenovo Product Expert 4 years ago

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