Given that I know the working variant, I double-checked the newer ones. I can confirm both +1 and +2 versions give me the black screen on builtin display.
+1 0a30da2f4dcab4d976c7fa561e3c560d35c1ed36095fb4e8174008767a5db4e6 /lib/firmware/updates/amdgpu/yellow_carp_dmcub.bin +2 f11512fa94a76e2cbe8aa1ef6befe265ab3ad99bee9444dddaf3f090f1df68c0 /lib/firmware/updates/amdgpu/yellow_carp_dmcub.bin ** Attachment added: "Знімок екрана з 2026-04-05 00-28-09.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2144530/+attachment/5958676/+files/%D0%97%D0%BD%D1%96%D0%BC%D0%BE%D0%BA%20%D0%B5%D0%BA%D1%80%D0%B0%D0%BD%D0%B0%20%D0%B7%202026-04-05%2000-28-09.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2144530 Title: Regression on Acer Nitro AN17-41: amdgpu DC/DMUB fails to light up internal eDP and Radeon-routed USB-C/DP outputs on Ubuntu 26.04 / kernel 6.19, while Ubuntu 24.04.4 live works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2144530/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
