It started working this morning. Here is what I've done: * reinstall Ubuntu 18.04 from scratch * use a second monitor directly from the first (top left) thunderbolt port with a USB C to HDMI (+ power) adapter * just this morning, tried to plug the eGPU (GTX 1080 in a Razer Core) on the 2nd (bottom left) thunderbolt port : after the boot, the eGPU was not detected (same error as my 1st post) * reboot with the eGPU connected to the 1st (top left) thunderbolt port * eGPU is detected, and the monitor is also detected * install the nvidia-390 drivers directly from the Ubuntu "Additional drivers" tab * reboot * eGPU and screens are detected...   I have no idea what I did different from my 1st install/try. Maybe because the whole install has been performed with secure boot disabled.
Hi,   I'm trying to use the XPS 13 9380 with Ubuntu 18.04 and an external Nvidia GPU in a Razer Core. I've tried the driver version 390 and 430. I've tried the 4.15, 4.18 and 5.1.1 kernels. But I still have the same error in `dmesg` :   Based on my research, it might be a BIOS related issue.   [URL]#5325456   [URL]#5315092
XPA 13-9380 Ubuntu Nvidia drivers not loading