Go into Settings > Devices > Displays and configure your monitors the way you want for your login screen (in your case, internal laptop display disabled). How could my characters be tricked into thinking they are on Mars? What happens if you score more than 99 points in volleyball? The result should be nomodeset quiet splash, then press ctrl+x to load the OS. Ctrl + Alt + F5. How does the Chameleon's Arcane/Divine focus interact with magic item crafting? Thank you for your suggestion. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Type in passwd username. Does it matter I'm using Gnome 3.28.2 and Wayland? by replacing value 'true' to 'false'. picture to cartoon 5. 261 words (estimated 2 minutes to read) In this post, I'm going to share how to hide the user list on the login screen for Ubuntu 16.04. Log into the full-screen terminal with your regular user again, and move some of the common configuration files out of the way: If display settings have been corrupted or modified incorrectly, it's good to remove the xorg.conf. When Ubuntu boots, click "Try Ubuntu" to get a usable desktop environment. There's a bug in the 4.15.0-24 kernel that's soon to be fixed, but in the meantime you could try: Hey thanks man, I tried all those things and it didn't help. Follow these simple steps to disable the Intel drivers which stop the Desktop to load properly : 1. And in the /etc/gdm3/custom.conf uncomment It only takes a minute to sign up. Ready to optimize your JavaScript with Rust? It only takes a minute to sign up. Can a prospective pilot be negated their certification because of too big/small hands? Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? 18.04 Turned off display in Settings-Devices-Screen Display ON/OFF, how to turn on again? Obtain closed paths using Tikz random decoration on circles. A few seconds later Ubuntu shows the log in screen. When connecting to the Login screen of an Ubuntu 18.04 or 18.10 machine, the user is presented with a blank screen. Can virent/viret mean "green" in an adjectival sense? After installing ubuntu 18.04 I have now a noisy background when being on the login screen, there is not a nice image anymore and the login experience feels a little screwed up (tap on touchpad doesn't work either for example). Most likely it is #1. Is it appropriate to ignore emails from a student asking obvious questions? I haven't made any changes recently, I don't have a lot of experience with Ubuntu so any help would be appreciated. Next, you need to tell lightdm desktop manager which greeter to choose on boot. between TTYs fairly regularly and GDM never showed anything. Browse other questions tagged. Login using your username and password. Copy your user's monitors.xml file into the home folder for gdm user. cp: cannot create regular file '/var/lib/gdm/.config': No such file or directory; cp: cannot create regular file '/var/lib/gdm3/.config': No such file or directory; cp: cannot create regular file '~gdm/.config': No such file or directory; Great. How many transistors at minimum do you need to build a general-purpose computer? I want to be able to quit Finder but can't edit Finder's Info.plist after disabling SIP, Penrose diagram of hypothetical astrophysical white hole. Option 2: Use a graphical tool to configure login screen. Does the collective noun "parliament of owls" originate in "parliament of fowls"? The gdm login list lists any Ubuntu login user with a UID >=1000. However, when I actually logged in, I only got a black screen and had to recovery-mode to undo the. It worked for me. It took me two times in order to get it to stick. Ubuntu and Canonical are registered trademarks of Canonical Ltd. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, To anyone affected by this bug: please comment on or upvote the. For instance, or sudo apt-get install lightdm-kde-greeter. In most cases, you can switch to a full-screen terminal (called a TTY) to log in and fix the issue. The current workaround appears to be: To copy the monitors.xml file, open a terminal and perform the following: Then, reboot and see if your changes persist. Press Ctrl + Alt + F7 to return to your normal login screen. Also the login screen does not follow my cursor as in 16.04. Help us identify new roles for community members, Updating Cinnamon causes Grub to freeze before the login screen, Ubuntu 15.10 stucks before login screen on VM Workstation, After Upgrade from 14.04 to 16.04 login screen runs in a loop while console login works, Graphical Login wont show up after installing GTK+ 3.0 ( The GUI creation software ). Edit the user by click on properties, go to advanced, then change the "User ID" to a different number. Help us identify new roles for community members. I've encountered such issue with Fedora 20, where default gdm greeter would distort the login screen badly, and the persons on this post also said changing greeter (as suggested by myself) helped. Just press Ctrl + Alt + F2 and then switch back to TTY 1 Ctrl + Alt + F1 will fix take you back to tty1 and login screen will appear. To learn more, see our tips on writing great answers. Upon logging in to the TTY virtual console, move on to one of the methods . ^ is equal to Ctrl button and ^O for instance , refers to Ctrl+O, which is equivalent to "Save file". Asking for help, clarification, or responding to other answers. I was also able to reboot with my external display disconnected and it switched back to my internal laptop display. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This and the currently accepted answer (. Is it appropriate to ignore emails from a student asking obvious questions? To select different default desktop environment you can edit /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf file. Follow these easy steps: Step 1. Better way to check if an element only exists in one array. Got through all of the steps to begin an unRAID install and then discovered Dell will not permit me to passthrough the GPU (IOMMU disabled without a bios option to re-enable). last edited at 12/1/2022 open synaptic. How do I tell if this single climbing rope is still safe for use? Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! You can change the ownership by running the chown command with sudo. Did the apostolic or early church fathers acknowledge Papal infallibility? If it boots all the way up to right before the login screen should show, you might have the same issue I had. Are there conservative socialists in the US? If you can get to the login screen doing that, that's the easiest way. So, in this way, you will be able to find rectify the issue of a broken server that does not display a login screen at the time of booting. Go into Settings > Devices > Displays and configure your monitors the way you want for your login screen (in your case, internal laptop display disabled). rev2022.12.9.43105. At the login screen, press Ctrl+Alt+F5 to switch to a TTY. sudo apt-get install lubuntu-desktop^ Xubuntu users will want to type: sudo apt-get install xubuntu-desktop^ Likewise sudo apt-get install kubuntu-desktop^ works for those running KDE Plasma through Kubuntu and sudo apt-get install ubuntu-mate-core^ will work for those using Ubuntu-MATE. Can virent/viret mean "green" in an adjectival sense? Why is the federal judiciary of the United States divided into circuits. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to set correct displays setting at login screen before login (Ubuntu 20.04)? The amdgpu driver that comes with the kernel does however. Try manually start lightdm from command-line Ctrl + Alt + F1, log in and. If your username and password are both correct, then something else is blocking the login. Again, you can do it using nano text editor. Ctrl+X (^X) is "Exit with saving/ without saving". There are several causes for login loops: . /var/lib/gdm3 is ~gdm , its gdm's home directory. On Ubuntu 18.04, I have connected my laptop to an external display and I am able to set the external display as primary and external display only mode. Reinstall Unity desktop or install different desktop. This hasn't solved the issue for me, I've been switching between TTYs fairly regularly and GDM never showed anything. DO NOT DO THIS!!! $ sudo rm ~/.Xauthority. rev2022.12.9.43105. Ubuntu 18.04 doesn't make it to login screen -- video issue? To do that, type. One way to fix this is by disabling auto-login from the command prompt: From the login screen hit Ctrl + Alt + F4 Login through the command prompt input: sudo nano /etc/gdm3/custom.conf Line number 5 and 6 of custom.conf should be: AutomaticLoginEnable=true AutomaticLogin= [username] where, [username] is the name of the user for auto-login. Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. What kinds of desktop environments and shells are available? Not sure if it was just me or something she sent to the whole team. I had to uncomment WaylandEnable=false. If entering a password into display manager like gdm or lightdm and desktop is not loaded, but you get redirected back to login screen, delete file .Xauthority in your home folder and try again. It should be noted that in my case installing linux-generic actually installed a new kernel and the reinstall of the driver then caused the relevant module to be built for that kernel (not the running one), but the reboot meant that it came up on the newer kernel in any case. I use Ubuntu 20.04. Asking for help, clarification, or responding to other answers. If you're not able to log in, the reason could be: The easiest way to confirm your username is by booting into recovery mode, entering a chroot, and running ls in the /home directory, as outlined in the Password Reset article. Click "Next" and follow the on-screen instructions to complete the troubleshooting process. This issue is somewhat beyond my level of knowledge right now, but I can point you to this post on Ubuntu Help page. Are you greeted with a black screen or terminal prompt? I want to be able to quit Finder but can't edit Finder's Info.plist after disabling SIP, Penrose diagram of hypothetical astrophysical white hole. @Agent47DarkSoul Thank you, my friend ! Ready to optimize your JavaScript with Rust? After entering the username and password, the screen will go blank with the Mouse Cursor still working. I didn't install a custom driver for the tablet but it works fine. Among other problems, it could be your desktop environment. There's a new configuration tool, gdm-settings, under development for Ubuntu, Debian, Fedora, Arch and other Linux using GNOME Desktop. Create a new server, choosing Ubuntu 20. Making statements based on opinion; back them up with references or personal experience. With over 10 pre-installed distros to choose from, the worry-free installation life is here! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This solution worked on my Ubuntu 20.04 computer, with 3 DisplayPort screens. Ubuntu not showing login screen.I recently did a system cleanup by using Ubuntu cleaner app After I restarted my PC it shows the Ubuntu loading screen and shows blank black instead of the user menu. To determine whether configuration in your home directory is causing the issue, you can create a new user account for testing purposes: If you're able to log in with the test user, the issue is somewhere in your regular user's home folder. You'll then be prompted for your password. If it does, do a clean install. Is there any reason on passenger airliners not to have a physical lock between throttles? I work with Blender 3.2.1 and a Wacom graphic tablet. But when I turn on my laptop or log out from my session the display login screen is displayed only on my(internal) laptop screen. sudo chown username:username .Xauthority. If only a black screen -> enter the grub menu and highlight the Ubuntu option. Your shutdown command has a missing 's'. I too have an external monitor. In order to change your login screen, follow these steps: The first thing we need to do is modify the ubuntu.css file located under /usr/share/gnome-shell/theme. A lot of people with this issue have found that pushing/holding the shift key or moving the mouse around while booting prevents the system from hanging. Login screen appears upon successful login. Copy your user's monitors.xml file into the home folder for gdm user. Remember to replace username with your own username. By default, X11 config files are instead stored here: xorg.conf files saved in /etc/X11 can cause displays issues on boot, and should be avoided wherever possible. Where does the idea of selling dragon parts come from? sudo apt-add-repository ppa:yannubuntu/boot-repair sudo apt update sudo apt install -y boot-repair boot-repair If you try logging in and you just see a black screen, or Ubuntu brings you back to the login screen, you're experiencing a login loop. Ctrl + Alt + F6. use startx to launch my desktop. At the login prompt, enter your username and press Enter. here's how: System -> Administration -> Users and Groups. Now, this time when you try to login Ubuntu 20.04, you will be able to, successfully. To change a greeter, access tty console (by pressing Ctrl+Alt +F*, where F* is any F1 - F6 key), login, and download a greeter that you would like to have. Can you access tty console by pressing Ctrl+Alt+F1 or F2 ? The best answers are voted up and rise to the top, Not the answer you're looking for? Browse other questions tagged. Press the 'e' key and add the text nomodeset before quiet splash. Nano's key's are all listed in the lower part of the screen. If your system is equipped with NVIDIA graphics, a recent update might be causing the login issues. We have a few more things to try. How can I prevent my NVidia Jetson TK1 from automatically booting the GUI (black screen after a software-update crash), and bring it back to normal? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Try booting the machine with a boot disc/USB and see if it runs OK that way. Where has the folder moved in Ubuntu 18.04.1 LTS? I tried the other answers and they didn't work, but this one works. That should go off without a hitch, so you're ready to try logging in again. Refer to the table below to determine if your system contains NVIDIA graphics: To remove the NVIDIA driver, run the following: After the NVIDIA driver has been removed, add it back using the following commands: After the installation has completed, type sudo systemctl reboot and try logging in again. WaylandEnable=false. How can I use a VPN to access a Russian website that is banned in the EU? One was snapd I think? After logging in, you'll be presented with a prompt showing your username, hostname, and a tilde (~) representing your home directory. My machine was working completely fine till I restarted it, and now I cant reach the login screen. What happens if you score more than 99 points in volleyball? This time, boot ran and launched the login screen. Note that you can always return to the graphical login screen by pressing Ctrl+Alt+F1, or by typing sudo systemctl restart gdm. Article was To undo the changes, simply re-run the commands in step 2.) CGAC2022 Day 10: Help Santa sort presents! Updated to 18.04, PC freezes before the login screen (Ubuntu logo), Blank screen on TTY7 after upgrading from 14.04 to 14.10, First Time Installing Ubuntu Server. Counterexamples to differentiation under integral sign, revisited. What happens if you score more than 99 points in volleyball? Ubuntu 18.04 on Asus TP200SA: black logon screen, Ubuntu 18.04 Login Screen Blank Unless External Monitor Plugged In, Gnome login screen only displays on LED TV. Personally , I keep both of these on my machine. Ubuntu and Canonical are registered trademarks of Canonical Ltd. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. Ubuntu 18.04 with gnome-flashback. mv /etc/X11/xorg.conf /etc/X11/xorg.conf.old, sudo apt install --reinstall gdm3 ubuntu-desktop gnome-shell, Move old configuration files out of the way, Configuration files in your home directory are not compatible with new versions of software, The display/login manager is not working correctly, The NVIDIA driver has been updated and is causing an issue, The AMD radeon driver is being loaded and causing issues. Is it correct to say "The glue on the back of the sticker is dying down so I can not stick the sticker to the wall"? If this does work you may have a different problem, maybe installing the display manager again will fix any errors. If this doesn't work, try going through the whole process again. After moving those files and rebooting, try logging in again. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? Ready to optimize your JavaScript with Rust? Is it appropriate to ignore emails from a student asking obvious questions? This is the only answer that made the login screen appear on my external monitor. However, if there is a login screen problem before any of these stages, then the user may have to use a rescue disc such as Knoppix. After gaining access to the TTY virtual console on your Linux PC, find the "login" section, and write your PC's username to log into the command-line terminal. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. My display configuration now even works with a multi-computer KVM switch. Posted 13 minutes ago. did anything serious ever run on the speccy? Are there breakers which can be triggered by an external signal and have to be reset by hand? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. For more information on lightdm display manager configurations, you can read the following sources, as well as man page for lightdm (man lightdm): 2. I have also tried out different kernel versions but that doesn't help unfortunately.l. Press question mark to learn the rest of the keyboard shortcuts Wrong username: your username may not be the same as your display name. To install it type sudo apt-get install lightdm. In this condition, press these three keys on keyboard together : Ctrl + Alt + F1 . Should I give a brutally honest feedback on course evaluations? Problem. This means that I didn't executed the second part from the Aravind answer. Intel NUC D34010WYK (4th gen, "Wilson Canyon") with Core-i3 processor (integrated graphics), https://ubuntuforums.org/showthread.0#post13781140, Documentation and Community Wiki Discussions, Europe, Middle East, and African (EMEA) LoCo Teams, Creative Commons Attribution Share Alike 4.0 International License. For instance, sudo apt-get install lightdm-gtk-greeter or sudo apt-get install lightdm-kde-greeter Personally , I keep both of these on my machine. Enter your Ubuntu user name along with the password which you are using so far. did a power-off, shutdown, restart. You can reinstall GNOME Display Manager (which handles the login screen), along with the desktop environment by running the below commands in : After reinstalling those packages and rebooting, try logging in again. Now, simply first update and then run upgrade command: sudo apt update. Ubuntu switching between monitor settings while booting, Ubuntu 20.04 login screen doesn't appear on the primary screen, How do i apply settings for the login screen, 22.04 second monitor lost on login or wake, How to make login screen display on second Monitor, Switch from Dual Monitor Display to Single Display Permanently, Kubuntu 16.04 no primary screen on laptop when external screen is unplugged. by To install it type sudo apt-get install lightdm. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? If this does fix your problem then at least you know it may be a video driver problem. How is this answer different from Damian T.'s answer? To me the terminal statements were enough to fix the issue. I've listed bellow possible issues. Sometimes when I plug it out and in again, while Blender is running, Blender stops reacting to it. Thanks for contributing an answer to Ask Ubuntu! Why is this usage of "I've to work" so awkward? greeter-session=lightdm-gtk-greeter. Identifying a problem is the key to solving it successfully. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. (There may be files you need to move other than the common ones listed above.). Connect and share knowledge within a single location that is structured and easy to search. Install Remote Mouse for desktop on computer. When I boot (or reboot) Ubuntu 20.04, the screen is totally black, only a small underscore in the upper left Press J to jump to the feed. Why would Henry want to close the breach? Is there to make the login screen appear on the external display in 18.04? Appropriate translation of "puer territus pedes nudos aspicit"? [SOLVED] Ubuntu 18.04 doesn't make it to login screen -- video issue? Where does the idea of selling dragon parts come from? I updated my Ubuntu Version to 14.10 and cannot boot anymore. Ask Ubuntu is a question and answer site for Ubuntu users and developers. you will loose ability to login (blank screen and kick back to login) until you undo changes in /etc/gdm3/custom.conf. Click the "Save" button when done. If so, that is probably your problem: I would do a clean install. Need Some Help. Connecting three parallel LED strips to the same power supply. For some reason its not sticking to the external display on boot up, tried about 4 times. If you do get to a prompt (try 'ctrl+alt+F1' or 'ctrl+alt+F2', the GUI is usually on ctrl+alt+F7) you could try and start the login screen with sudo service lightdm start. The best answers are voted up and rise to the top, Not the answer you're looking for? Ask Ubuntu is a question and answer site for Ubuntu users and developers. How do I tell if this single climbing rope is still safe for use? rev2022.12.9.43105. I did check some other posts but none seemed helpful $ sudo lightdm. It is often your first name all lowercase, first and last name all lowercase, or first . Go to Ubuntu Login Screen Not Showing page via official link below. This solution worked for me, the accepted one did not. Received a 'behavior reminder' from manager. In my case (Ubuntu 20.04) that really helped. Then run: Contact Support! Finally, reboot the system with: reboot. Ctrl + Alt + F4. You could also try switching to one of the other virtual terminals when it hangs by pressing Ctrl+Alt+F2 or Ctrl+Alt+F3, etc. How to Change the Ubuntu Login screen. Notes: Replace username with the name of the user account you wish to change the password for. If you still can't access Ubuntu Login Screen Not Showing then see Troublshooting options here. This is a difficult issue to troubleshoot, and you might want to consider backing up your files from a live disk and Reinstalling Ubuntu or contacting Support for more assistance. Moses Cage is a new contributor to this site. Set your password. Again, the name after = sign should be the name of the desktop environment you've installed, and it should boot by default. Step 3. Most likely, this config file will be blank, so you would need to add the following lines: [SeatDefaults] Thanks for contributing an answer to Ask Ubuntu! Sometimes after an upgrade, your system might not bring you to the desktop after logging in. If I want to log in again, Ubuntu tells me there is a . As such, you can usually recover your desktop using the command line interface! Add a new light switch in line with another switch? If this does work you may have a different problem, maybe installing the display manager again will fix any errors. After going through each procedure remember to reboot with sudo shutdown -r now command. Sed based on 2 words, then replace whole line with variable. If you try logging in and you just see a black screen, or Ubuntu brings you back to the login screen, you're experiencing a login loop. Are the S&P 500 and Dow Jones Industrial Average securities? It only takes a minute to sign up. If you are using an AMD graphics card, the radeon driver might be causing issues as it does not support newer versions of Ubuntu. Browse other questions tagged. Ctrl + Alt + F3. Would salt mines, lakes or flats be reasonably found in high, snowy elevations? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. You'll be prompted to enter a login. Pressing these three keys together will load the recovery . Why would Henry want to close the breach? Log in to Ubuntu! where lightdm-gtk-greeter , would be the name of the greeter you installed. Enter the following command to open the css file in gedit. To blacklist the radeon driver and ensure amdgpu is loaded: Open /etc/modprobe.d/blacklist.conf for editing and add blacklist radeon to the file. Click the "Save" button when done. Help us identify new roles for community members, The lock screen does not appear on the main screen, Change default monitor on user selection screen. +1 Thank you - with Ubuntu 20.04 I found this solution to work. Making statements based on opinion; back them up with references or personal experience. CGAC2022 Day 10: Help Santa sort presents! Occasionally, the default greeter (aka login screen ) won't work properly. This is a known and reported bug with gdm3. Open the Terminal application through Ubuntu Dash or by pressing Ctrl+Alt+T. Since 18.04 was working, it should work again. marked 'lightdm' for install and applied that change. My system is a ASUS UX32LN and I run it in dual boot with Windows 8. Should teachers encourage good students to help weaker ones? @ahoneybun. Are there breakers which can be triggered by an external signal and have to be reset by hand? Reboot and see if you can login normally. I had just this problem post-upgrade to 14.10 from 14.04 and in my case I tracked this down to the fact that somehow during the upgrade my kernel headers and hence the source needed for my (Nvidia) graphics card driver to build had gone missing. I rebooted again and reconnected it and it switches back to my external monitor. Will wait for the bug to be resolved. My computer boots to a black screen, what options do I have to fix it? Connect and share knowledge within a single location that is structured and easy to search. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. After turning ON the machine I can reach the GRUB where I select Ubuntu, after which I get a black screen, where I expect a login screen to appear. To use the Remote Desktop Connection dialog, click the Display tab and set the Display configuration to Full Screen. In the Site Setup dialog box, select the Servers category and do one of the following: Click the Add New Server button to add . countries. The best answers are voted up and rise to the top, Not the answer you're looking for? In any of these cases, you just need the one single command and then wait. Open a Terminal window from the Dash and run the following commands: This will install and launch Boot Repair to scan your system. sudo apt upgrade. Thanks Damian. Bellow is the screen shot of my lightdm.conf file. You will not see your password as you are typing it; just type it and press "Enter.". (Usually, NVIDIA driver issues will prevent the login screen from loading at all; however, it's still worth reinstalling if you are unable to log in after the above steps.) There are a significant number of processes and files required for your graphical desktop environment to be loaded, and much fewer for the terminal login. To change a greeter, access tty console (by pressing Ctrl+Alt +F*, where F* is any F1 - F6 key), login, and download a greeter that you would like to have. This was the only answer that worked for me on Ubuntu 18 this folder actually exists unlike. If you do get to a prompt (try 'ctrl+alt+F1' or 'ctrl+alt+F2', the GUI is usually on ctrl+alt+F7) you could try and start the login screen with sudo service lightdm start. The information here isn't necessarily new or ground-breaking; however, in searching for the solution myself I found a lot of conflicting information as to . Should teachers encourage good students to help weaker ones? Did you upgrade 16.04 to 18.04? Effect of coal and natural gas burning on particulate matter pollution, Connecting three parallel LED strips to the same power supply, What is this fallacy: Perfection is impossible, therefore imperfection should be overlooked. The "root" account also works too. Take care in asking for clarification, commenting, and answering. Connect and share knowledge within a single location that is structured and easy to search. This worked for me: Set your display mode as desired using Settings > Devices > Displays. Why is it so much harder to run on a treadmill when not holding the handlebars? Why is apparent power not measured in Watts? To copy the monitors.xml file, open a terminal and perform the following: To learn more, see our tips on writing great answers. Thanks a lot. The other booting options like secure mode also does not work. Thanks for the answer. good catch, Ubuntu 14.10 booting problems - no login screen. Nano is a command-line text editor, IMHO simplest to use. To reinstall Ubuntu's default desktop, do the following in tty: To install a different desktop environment, you can refer to this post. But once I login the display switches to external only and my laptop screen turns off as expected. If starting the lightdm does not work you could try a more basic debugging option by typing startx at the prompt, perhaps this will help you shed some light on the problem. In a typical setup and installation once the displays have been setup in the order of preference the login screen would normally be displayed in screen 1. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Still I don't get WHY this isn't resolved by Ubuntu itself after so many years. Intel Corporation or its subsidiaries in the U.S. and/or other The Ubuntu loading screen still appears but afterwards I just get the cursor in the upper left and the rest of the window is totally black. How to smoothen the round border of a created buffer to make it look more natural? Ask Ubuntu is a question and answer site for Ubuntu users and developers. Open a terminal window by pressing CtrlAltT and then type: sudo cp ~/.config/monitors.xml /var/lib/gdm3/.config. Services user accounts don't usually get home directories in /home . ; Step 2. Appropriate translation of "puer territus pedes nudos aspicit"? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. marked 'lightdm' for removal and applied that change. no graphical login screen after boot into Ubuntu, Problems with graphics while booting UBUNTU, Stuck at black screen after boot from fresh install, Ubuntu 18.10. Ubuntu and Canonical are registered trademarks of Canonical Ltd. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Ubuntu 16.04 does not show the login screen on booting. This is due to the fact that Ubuntu 18.04 and 18.10's Login screen is rendered using Wayland's display server while the Java Robot, that we use to capture the screen, works correctly only if X11 is used as the default display server. after a failed boot, I used CTRL+ALT+F1 to open a console. The tool provides an elegant user interface specifically for configuring the GDM login screen . login with my username. You only need to hold the Shift key if the GRUB menu does not normally appear when you boot your computer. Is this an at-all realistic configuration for a DHC-2 Beaver? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I don't know what Ctrl+Alt+F2/F3 whatever is supposed to do, it was just iterating between two commands that seemed to not be getting anything done. This means as long as you get a login set to use a UID <1000 it will NOT show up in the gdm login list. Is there a way I can make the login screen appear only on the external screen on bootup or on logout as in 16.04? There are several causes for login loops: Each cause has a different solution, and certain items (such as NVIDIA) might not be applicable to your system. Intel, the Intel Logo, Intel Core, Iris, and Xeon are trademarks of However, for some reason this was not the case in Ubuntu 20.04, and it would sometimes cause one of my monitors to stay on the bootsplach menu of my manufacturers motherboard. 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