WD19TB not working after failed Firmware update

Hey everyone,

I'm having issues with my Dell WD19TB Thunderbolt dock after trying to update its firmware. I came across this official Dell article that has that exact error:
🔗 https://www.dell.com/support/kbdoc/de-en/000184585/ec-firmware-of-dell-dock-station-wd19x-updated-failed-on-generation-8-platforms-with-windows-10-20h1-or-higher

Unfortunately, the workaround mentioned there didn't help in my case. Support ran out on both devices years ago.

Here's what's happening:

• The dock is not being detected by my XPS 15 7590.

• The USB-C LED on the cable is not lighting up.

• USB passthrough is working (I can use connected peripherals like a mouse/keyboard).

• The dock button works (it powers the laptop on).

• HDMI, DisplayPort, and Ethernet are NOT working.

• Already tried switching drivers, no success.

• Suspecting a Thunderbolt issue, seems like a common pain point with recent XPS models.

So far, no real progress on a fix. Not sure if there's a way to force a reflash of the dock or revive it via another system, open to any suggestions or tools I could try. Running Win 11 and thunderbolt 3 drivers seem to be junky for now.

If you're facing the same issue or about to update your dock, maybe hold off for now until Dell provides a more solid fix.
Posting this both as a call for help and a heads-up for others. Will update if i come across a fix.

Cheers.