Thunderbolt 4 Only Will Not Recognize eGPU

[ACAdkison]

The Omen laptop has a discrete 4080 GPU. But, due to heating and other issues under load, I prefer to use an eGPU.

The laptop is currently hooked to an Anker 778 TB4 hub and works flawlessly. The TB Control Center "sees" it and lists it as ANKER 778 12-in-1 Docking Station TB4. Every port and every device connected to the Anker hub works. At present, I am using it to send the video to my monitors via HDMI (1) and DisplayPort (1). 

However, I purchased a Sonnet Breakaway Box 850 T5 and after a week of troubleshooting with Sonnet, I returned it. The HP refuses to recognize it and Sonnet has no workaround for HP's configuration issues. The Thunderbolt Control Center doesn't even recognize a TB4 device attached. If I plug the Anker back in, it's picked up instantly.

I purchased a Peladin TB 4 eGPU setup and connected it to the laptop. THE EXACT SAME REACTION. The fans on the GPU spin up, but there is no activity on the laptop, it does not show up in Device Manager, and the Omen Gaming Hub Overlay will not allow switching, because it says there is no device. I've tried this with the discrete GPU enabled and disabled. The results are the same. The Thunderbolt Control Center doesn't "see" it either.

Note: both eGPU enclosures have additional ports (Ethernet, USB, etc.) None of them communicate with the laptop. It is as if the laptop recognizes the attached device, then immediately shuts down or blocks any signals to/from the device.

All BIOS and drivers are updated. The Windows Build is 26200. Nothing in the BIOS or Omen Gaming Hub allows access to anything Thunderbolt related.

Please advise.