I reached out to the company to see if they have some support - and they replied: It doesn't work on the dock I picked up ( JSAUX Docking Station Compatible with Steam Deck, 6-in-1 Steam Deck Dock with HDMI 2.0 Gigabit Ethernet, 3 USB-A 3.0 and Full Speed Charging) when plugging into any of the ports in the back. I have the MobilePixel Trio screen that I use on my laptop now and again. As of now, no official pricing or release date information has been made public by Valve, though we will keep this space updated when such news becomes available.Looking for some help on a dock question. The Steam Deck Dock is sold separately from the handheld.

6' USB-C captive cable with low profile 90° connector.The specs of the Steam Deck Dock are as follows (and subject to change between now and final release): The Dock provides charging power to the Steam Deck via a captive USB Type-C cable with a 90-degree adapter. The Official Dock also offers three additional USB ports for peripherals, webcams, controllers, and much more. Ethernet functionality is also possible for more stable online gaming and data transfer speeds. By connecting to the USB Type-C port on the Steam Deck, the Dock is able to offer video output to TVs, monitors, or other display devices. The Dock can hold up the Steam Deck for tabletop use as well as offer increased connectivity.

The Official Dock for the Steam Deck will allow users to get even more functionality from their device.

Much like Nintendo’s Switch handheld console, the Steam Deck will be able to interface with an official dock, though Valve has confirmed that it will not arrive until sometime after the Steam Deck ships.

Mixing powerful internal hardware with integrated analog and touchpad controls, the Steam Deck aims to separate PC gaming from the grip of the desktop. The folks over at Valve made some big headlines earlier today with the reveal of the Steam Deck handheld PC gaming system.

Steamdeck dock