I can't log in. I'm running nvidia 970 with 4 monitors (2 4k and 2 1080). Symptoms: The screen becomes 100% blank (no backlight or indication that the LEDs or CRT phosphors are lit up), or black (the monitor is on and displaying video, it's just 100% pure black), at some point between the BIOS screen and the login page (GDM) being displayed. Kubuntu news, articles, tools and discussion. Press question mark to learn the rest of the keyboard shortcuts, https://bugs.launchpad.net/sddm-kcm/+bug/1454004. That would solve it most of the other times. But seems like a lot of issues for people are coming from nVidia drivers. After spending a few hours trying various fixes all the way from reinstalling the kubuntu-desktop package to reconfiguring which desktop manager was in use to reinstalling various packages and drivers, I finally tried something quite a bit simpler and met with success. Your solution worked the first try. If these didn't work then I'd reinstalled the nvidia drivers by using ssh from a remote terminal. After some searching online I found that this had become a common problem. Learn how your comment data is processed. I see in the past others had this same problem posted on level1techs, but nothing about or near the version of ubuntu I’m dealing with, Ubuntu 18.04 mate,. Removing the appearnace configuration worked for me. Obviously the graphical components were working, but the desktop was not loading correctly. I can live with it. I changed my login screen. Any idea on how to really fix this problem? Maybe that’s related? I noticed there was also a change in coloring in Unity that shouldn’t be there. Ran great until 1/14/14 after installing updates I booted to a black screen no cursor. I’ll walk you through the process in the following mini-guide. Kubuntu is an official derivative of the Ubuntu operating system, which uses the KDE Plasma Desktop. The black/blank screen never goes a Adding nomodeset to my startup line does not have any effect. The problem used to be everywhere. Type the following: You’ll need to enter your password again for this first command using the sudo prefix. The upgrade went smoothly enough, but after rebooting I ran into issues. 1) Once you log in and get to the black screen with a mouse pointer you’ll be at a stand still. I'm not able to switch to a different TTY. It seems like many other people are having this issue after a more recent update. Recently I upgraded my Kubuntu 12.10 install to Kubuntu 13.04. I can open the tty1 panel with Ctrl+Alt+F3 and I can login, but I don't want to do that every time I close the lid. I reached the LightDM login screen with no issues and logged in as normal. It wasn’t necessarily due to the upgrade either. I m coming from future at the end of 2019:) That problem killed my 8 hours. I also noticed problems with my trash bin which I had to fix by changing permissions. This setup worked fine with 15.10. You save me from formating the machine! I get the log in screen, hdd icons load, kde etc.. the screen just has a movable cursor, and chrome opens which is what I am using right now. After doing nothing much, I rebooted to Ubuntu and was greeted with a black screen with a mouse cursor. Black screen after login I am using Kubuntu 14.04 32bit. I wonder if a fresh install of Kubuntu without it being alongside Unity would fix this? 2) Lets try the least invasive approach first, removing just the configuration files that concern the KDE appearance settings. The big problem that many experienced from introduction of Plasma 5 still exist in Kubuntu 16.04. I am unable to access anything on my computer besides task manager. Good stuff! On January 6 I installed a daily build of Kubuntu 14.04. Recently I upgraded my Kubuntu 12.10 install to Kubuntu 13.04. You need to get to a text shell instead of the GUI. A few days ago, for no reason, I couldn't see the login screen on my Ubuntu 12.04. nor do anything but reboot using CTRL+ALT+DEL. Everything was working and I installed all my work packages and everything was working fine. Just so everyone else knows if it is important to them. I use the latest & up2date Kubuntu 18.10 (lowlatency) after an update yesterday and the day before the desktop turns black (blackscreen) after login. SDDM seemed to have crashed. This is … I figured I might as well try that and see what happened even though none of the information I’d come across concerning the particular problem I was having mentioned this as a possible fix. Thanks for the post. After reading some suggestions and experimenting, this is what I got so far: If I go to the recovery mode and then choose "resume normal boot" I can see the boot up text, and it stops at "Checking battery state". The first solution worked for me. I'm only running 1 screen in my VM. I had Ubuntu Studio originally and they forked away from the desktop they were using when I did the 13.04 upgrade. But then after a reboot got the infamous black screen after login. This problem is caused by an update that didn’t install cleanly and left the graphical desktop environment in a broken state. This site uses Akismet to reduce spam. But I will update if I find something better. After creating VMware machine, I run this VM. but that's not really a solution. Thanks again! After upgrading a computer from Ubuntu 16.04 LTS to Ubuntu 18.04 LTS or Ubuntu 18.04 LTS to Ubuntu 20.04 LTS, during boot the screen goes blank (turns black), all HD disk activity halts, and the system becomes frozen. My problem is that for some reason after I close my laptop's lid and then open it, the screen is just black. How to solve it.thanks. Return to the command line with Ctrl+Alt+F2 again and type the following command: This command will rename the directory containing your configuration files. I got the pretty Kubuntu splash screen with all the pretty icons. You’ll then be at a command line. I have just wasted the last 7 hours of my day trying to fix this problem. I want to start Kubuntu 21.04 install process,but it always appears black screen.Black all the time. Tried the following solution, still blank screen. Thank you man! Thank you very much, I’ve spent two days searching for a solution, and yours worked!!! The USB installer process worked perfectly, but after rebooting, I´m getting a black screen right after the grub, with no text, and selecting recovery mode gets stuck on "loading initial ramdisk". In 16.04 I haven't had the issue once, even with upgrades from 15.10 to 16.04. On a fresh install of Plasma 5.2 on Kubuntu 14.10, I'm getting a black screen on login. It turned out to be the fix for me though. I´ve just installed 20.04 on my laptop, replacing 19.10. I found a rather unpleasant workaround for the problem: Boot up with only one monitor hooked up and only then plug in the rest. To restore the files you would type the following commands: 6) Once again reboot the machine with the following command and login to see if it worked. as I don't want to lose my settings everytime. Before this started, plasmashell would crash randomly. I had been told this was a fairly smooth upgrade and since I waited a couple of months after the release to do the upgrade, I figured I was in pretty good shape. I got Blank screen while login with correct id and password. However, I still seem to get the black screen anytime I make changes to the task manager panel (at the bottom of the screen) and reboot. 5) If the above did not work then you can try removing the entire set of KDE configuration files. This command should have deleted the configuration files involving the KDE appearance settings. I installed the KDE desktop afterwards and it cleared up most of my problems except for this one. Yeah, I have this issue. This resulted in a black screen after the boot screen. When completed and there were no more messages about issues and those commands resulted in a command prompt only then would I reboot. I can see the mousepointer but nothing else. However but there is no desktop? I shut down the computer and restarted to a boot menu and booted into recovery mode and chose the latest kernel and ran whatever fixes I …
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