When I was shopping for a laptop recently, I was told that to order one with Ubuntu pre-installed I needed to call sales during business hours. Ultimately, I went with a Dell Precision T7510, left Windows 10 in place, added an NVME ssd, and installed Ubuntu on that (Dell Precisions also offer Ubuntu pre-installed and at a discount).
http://www.thinkwiki.org/wiki/Category:X1_Carbon_(3rd_Gen)
Ubuntu in particular:
https://certification.ubuntu.com/certification/make/Lenovo/?...
When I was shopping for a laptop recently, I was told that to order one with Ubuntu pre-installed I needed to call sales during business hours. Ultimately, I went with a Dell Precision T7510, left Windows 10 in place, added an NVME ssd, and installed Ubuntu on that (Dell Precisions also offer Ubuntu pre-installed and at a discount).