SteamVR

SteamVR

Can't get SteamVR to work with Valve Index
Using a newer HP Pavilion laptop, Windows 10, & a second-hand Valve Index. Index is plugged into a power source, & connected to laptop via USB & DisplayPort (via Display to USB-C adapter). On startup, SteamVR displays this error:
Laptop: Headset Display Disconneted (213)