Engadget has published a step-by-step guide for Switch 2 owners who get a black screen when docking. The guide starts with the basics: power down the TV, disconnect all cables from the dock, wait 30 seconds, and reconnect the AC adapter to both the dock and a working wall outlet. It also warns that frayed cables or a dead outlet can prevent a connection.
The guide emphasizes that the Switch 2 is not a drop-in replacement for the original Switch. It requires an AC adapter delivering at least 54W for a continuous TV connection, and it needs an Ultra High Speed HDMI cable that supports HDMI 2.1. The cable included with the first Switch won't work. Nintendo sells compatible AC adapters for $35 on its website.
For business readers, the guide illustrates how the new console's higher technical requirements could create friction for consumers and additional support load for Nintendo. The troubleshooting steps also include checking TV settings like ALLM and Input Signal Plus, updating the console's software, and toggling Match TV Power State. If none of that works, Nintendo may ask customers to mail in the dock and console for repair.