Sometimes, my computer doesn’t seem able to read or recognise screens through the dock (this often happens when I get the peripheral crash discussed above).
In a chat with a tech, they told me how to reset the dock (I don’t see this anywhere obvious on the Dell site):
Looked through the Dell troubleshooting guide and found nothing.
This afternoon I came back from a meeting and my computer was hibernating and the dock was dead: no power light, no light on the Thunderbolt cable, no response to commands, and no screen, sound, or internet pass through. But I use it quite often to reset the USB for peripherals (I have a real problem adding tablets ( WASCOM or Remarkable) or phones (Android) via USB via the dock: it somehow seems to kill the dock’s ability to work with peripherals and then I use this to reset it (while rebooting the computer)).
This one I discovered when the dock was “bricked” (i.e.
