Dear ethan.hsieh I update kernel and test again. The display will not show login frame if boot without HDMI and plugin after boot. Then I execute command in console # systemctl restart gdm
The HDMI display will show login frame. BR Sam -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to webbrowser-app in Ubuntu. https://bugs.launchpad.net/bugs/2044664 Title: HDMI plugin after boot, but display can't work Status in webbrowser-app package in Ubuntu: New Bug description: [Summary] HDMI plugin but display can't work after boot under HDMI only display [Reproduce] 1. Set display configuration as single HDMI only 2. Boot into the system without plugging HDMI cable 3. Ensure system is booted (check it by debug console), then plug HDMI cable 4. Check the image on HDMI monitor [Expected result] Ubuntu desktop should be shown on HDMI monitor [Actual result] Ubuntu desktop was not shown on HDMI monitor [Fail Rate] 100% [Additional information] Platform: Mediatek Genio1200 EVK Ubuntu Version: 22.04.2 LTS Image: baoshan-classic-desktop-2204-x01-20231005-133.tar.xz To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/webbrowser-app/+bug/2044664/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp