No display output from thunderbolt usb hub

So my motherboard only has a DP IN and the only way I can get video signal out the integrated graphics is through a Thunderbolt hub which has HDMI output. System boots fine, I can see grub menu and enter bios, but when I boot up OpenWRT, I lose signal. System is responsive as I can ctrl+alt+delete. Any reason why I cannot get video signal out the hub? Many thanks.

Try adding the nomodeset kernel param in grub.

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Thanks, that got me to somewhere. It does not switch the display off but now I get an error usb 1-13: can't set config #1, error -110. But I get to the command line anyway, so thanks for the help!

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