@Alberto, I switched back to Ubuntu 18.04 and now everything is working. Now I can switch to Intel with low power consumption and no external monitor how it was ever, and when I switch back to Nvidia, I can use external monitor normally.
Next weekend I`ll try again with Lightdm and tell you, ok? -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. https://bugs.launchpad.net/bugs/1778011 Title: SRU: PRIME Power Saving mode draws too much power To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1778011/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
