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reynhout / chrx

Chromebook Unix
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AMD Ryzen-based Lenovo C13 Yoga problems #136

Open dgfitch opened 2 years ago

dgfitch commented 2 years ago

On a Lenovo C13 Yoga gen 1, base chrx results in a black screen after TianoBoot, and the keyboard doesn't work in the TianoBoot menu.

I swapped to the rwl-efi-boot branch and passed -b grub-efi-amd64 to chrx, and was able to get a grub screen. However, the keyboard still doesn't work in the TianoBoot or grub menus.

I am not a UEFI understander, so I probably won't make much progress trying to debug this issue, but I'll post what I find here and hope that someone smarter can contribute some ideas for newer Ryzen-based chromebooks.

(At this point, I'd be fine with a single-OS solution that erases ChromeOS, if it works.)

dragon788 commented 1 year ago

I'm hoping to get my hands on a Ryzen Chromebook at some point to further improve and validate the UEFI install steps because I've seen some issues with the dual boot misbehaving, ie ChromeOS won't boot, but as long as the AltFW is in place you can boot Ubuntu even if it gives you the rescue menu and doesn't go right to grub.