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Thunderbolt 3 eGPU and USB-C-to-HDMI-converter troubleshooting and recommendations
Since I carry a PC to client meetings, I wanted to try using it with an eGPU. I picked up an HP Spectre x360 Convertible and a Gigabyte AORUS 2070 Gaming Box. On first plug in, it worked flawlessly! The Thunderbolt Software picked up that a new device had been plugged in, I got the relevant dialog boxes, and then my monitor came up right away.
Sadly, the USB ports on the AORUS were so intermittent that I couldn't use the mouse or keyboard for more than a few seconds. I figured it couldn't hurt to update the Thunderbolt drivers. It did. Now, the eGPU still charges my laptop, but the PC no longer recognizes being connected to a Thunderbolt device. I also checked the "Attached Devices Chains" in the Thunderbolt Software, and it doesn't even list my ports, let alone the AORUS!
So now I'm in this situation where my laptop doesn't even know it has Thunderbolt ports. However, when I connect this USB-C to HDMI adapter
for the Switch, it connects to the monitor correctly. This leaves me with a few troubleshooting questions:
- Is the Switch adapter TB or just HDMI over USB-C?
- Assuming the latter, that means the TB3 port retains its USB-C functionality. If so, does that imply that the TB hardware is also still intact?
- Is there a way to test the ports for TB hardware health, as distinct from the TB software that is failing to list them?
- If it is intact, how can I reset the Thunderbolt software to list those ports again?
As for recommendation questions:
- Are there any new firmware or driver updates that could alleviate the USB-A issues on my AORUS eGPU?
- Should I even pursue trying to get the AORUS USB ports to work? I've read that eGPUs that have only a single TB controller are plagued with USB-A issues.
- Otherwise, what eGPU should I look for if I want a one cable solution? Is the whole one cable dream a dead end?