How to Unbox and Connect Your Dell 55-inch, 75-inch and 86-inch?

Connect your computer to the display using two cables. One USB cable and one HDMI/Display Port cable. The USB cable enables the display to send touch to the computer.

Side Port View

	Dell 75 4K Interactive Touch Monitor - C7520QT HDMI 1 (1A) must be paired with USB 3.0 Upstream 1 (6A) HDMI 2 (1B) must be paired with USB 3.0 Upstream 2 (6B) HDMI 3 (1C), DisplayPort (2), and VGA (3) must be paired with USB 3.0 Upstream 3 (6C) We recommend using DisplayPort (2) with USB 3.0 Upstream 3 (6C)
	Dell 86 4K Interactive Touch Monitor - C8621QT HDMI 1 (1A) must be paired with USB 3.0 Upstream 1 (5A) HDMI 2 (1B) must be paired with USB 3.0 Upstream 2 (5B) HDMI 3 (1C), HDMI 4 (1D), and DisplayPort (2) must be paired with USB 3.0 Upstream 3 (5C) We recommend using DisplayPort (2) with USB 3.0 Upstream 3 (5C)