Ubuntu screen blank not working. It should theoretically still work though.

Ubuntu screen blank not working I followed the instructions given in Ubuntu FAQs and it worked in one shot. I simply setterm from @whitequark's answer is a reasonable userspace tool, but it's not the whole story. Everything goes well on Ubuntu 18. There are several causes for login loops: 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; Each cause has WARNING: environment is incorrect: No D-BUS daemon running Did you just try to reset in a tty? unity-panel-service: no process found compiz (core) - Fatal: Couldn't open display :0 sun@e700gent:~$ sudo startx [sudo] password for sun: X. gnome. Then I started to write here and left the computer for more than a minute and Screen Blank After upgrade to 13. 10 and later the App Center app is a snap package that is called snap-store. Remember we only increasing the disk size not the partition size which our Ubuntu OS reside. I have to press the F1 key blindly. 5" touch screen, with other drive and working perfectly in the screen on/off issue). select try ubuntu without installing or install ubuntu 3. Press CTRL-ALT-F3 to trigger the CLI, and, once logged in, type:. From the kernel documentation (The kernel's command-line parameters):consoleblank= [KNL] The console After upgrade to Ubuntu 20. Two parts: Earlier versions of nvidia drivers required support for suspend/resume/hibernate in /etc/systemd/. 04 LTS and can't get my screen to turn off on inactivity, the monitor never goes to sleep. A drop-down menu is shown. Keyboard shortcut for "Lock screen" not working Same problem here on several stations with Ubuntu 24. If you are comfortable with your Deja Dup backup (meaning that you've actually restored some files from it so that you have confidence in An Ubuntu machine will be stuck on a "blank" screen Ubuntu is not responding after login (20. See Ubuntu 22. 3. I also encountered the black screen with my new installation, and it was a relatively easy fix. When I manually run xset dpms force off If you see the Grub boot menu: Select the “Advanced options for Ubuntu” then select the “Ubuntu (recovery mode)” option. when I was working with it on Sunday that was the solution but then it This is not the case, I'm still on X11, so it's not Wayland's fault. I want it to open through UI only as it was working before. Pilot6. 04LTS, 5. 04 after only 30 second of inactivity the screen turn black, to bring back the display on screen I need to press a key or move the mouse. To fix XRDP login and blank screen issues when using Remote Desktop from Windows to Ubuntu 22. 2 LTS and changing the recommended dconf settings do NOT affect the problem screen blanking. Update your Ubuntu image by running: sudo apt-get update and then sudo apt-get dist-upgrade from a Terminal. 3 Release Date: 2011-12-16 X Protocol Version 11, Revision 0 Build Operating System: Linux 2 After I close the lid, the screen will not turn on. Select ubuntu on xorg rather than ubuntu. 1 Randomly after entering the password, the screen goes black with an X, when pressing ctrl+alt+f4, I enter with the user, reboot and it works. 13. Ubuntu: 22. When I click connect and log on i will get a black window, what's wrong? VM OS Ubuntu LTS 2022. Login locally on the remote computer while you are not logged in using xrdp. If you feel this is kali screenshot or not comfortable, then you have alternative post to give a check for ubuntu. The login window is getting stuck after you enter the login credentials. I've installed version 20. I am having a very similar issue on an HP Pavilion 17-ar050wm laptop. I enabled 'USB wake' in the Dell bios which was disabled by default and i have re-enabled screen blank and auto suspend after that. Anything I open outside of the terminal on my windows machine shows on my ubuntu laptop screen rather than the rdp screen on my windows machine. I solved it by removing xserver and reinstalling ubuntu-desktop in the root shell: sudo apt-get purge xserver-xorg; sudo apt-get purge xserver-xorg-core; sudo apt-get install --reinstall ubuntu-desktop The ‘e’ option is not working for me. 04 recently, and the installation and the first boot up went fine. 04 won't wake up from sleep. Start your computer, and press the Right Shift when booting up, to get the Grub menu. So, I upgraded ubuntu kernel to 5. When the GRUB boot menu appears : Highlight the Ubuntu menu entry and press the E key. However, the screen does not blank completely, but still shows a black image with the mouse cursor visible. Please help! I hate windows and win 8 even more! Thx Same problem here, with Ubuntu 22. I was trying on ASUS ROG Strix G15 Ryzen 7 Octa Core 5800H - (16 GB/1 TB SSD/Windows 10 Home/6 GB Graphics/NVIDIA GeForce RTX 3060) G513QM-HN319TS Gaming Laptop. MB bios is the latest version, when i try to run ubuntu 23. If it is not working, try downgrading $ sudo apt install ppa-purge $ sudo ppa-purge ppa:oibaf/graphics-drivers If something was borked during the install, its possible you might have to start the install over, but I would try this first. Install the recommended driver by running: sudo apt install nvidia-driver-520. I am running Ubuntu 22. 04 is that it now uses a display feature called wayland by default, while in versions prior to 21. Any you have again for Lock Screen you have screen icon on right side this time 4. When the login screen appears press Ctrl+Alt+F1. Ubuntu 24. When the screen goes blank after a few minutes of inactivity or when I perform a temporary suspension from the menu, the computer freezes with a blank screen and I have to turn it off with the button. 04? 0. As a result, I always have to hold the power button to shut it down and then power it up again. 1; After ManOnTheMoon's comment, I tried disabling Wayland and it does indeed fix the blank screen issue, but it also makes me lose 3-finger touchpad workspace control which is something I use quite a lot and cant really live without. The work around which work on my side, is to call this command: xset -dpms Yes, somehow! I too was still having non-sleeping behavior in 24. 04 does not always (often) hold the last resolution selected in my VirtualBox VMs. function function_name { some; commands; }). 14. Change the selection from Ubuntu to Ubuntu 2D. Issue status: Resolved . 04 Desktop; Best Linux Distro: How to Choose Guide for Every User; How to load, unload and blacklist Linux kernel modules; Fixing Black Screen After Suspension in Ubuntu An Introduction to Linux Automation, Tools and After installing Nvidia driver from Software & Updates(Additional Drivers Tab) or Command line, Ubuntu did not start. but the black screen is still there. It just goes blank, effectively displaying a black screen with the monitor back light . Step-11: To show which loadable kernel modules are currently loaded, issue the following command: $ lsmod | grep nvidia. 04 too): In /etc/xrdp/startwm. Then I went to Thunderbird (already opened), moved some mails ant finally I left the computer. source: Local Ubuntu desktop cannot login after opened Xrdp session. I disabled power management, screen blanking, and screensaver from the GUI settings tools. If I plug in HDMI into laptop the monitor will say no signal and the screen stays dark. Step-10: Reboot the system. Ubuntu; Community; Ask! Developer; Design; Hardware; Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 04 (clean install) and although I was able to get a signal this time, the display was badly corrupted (looked like a line sync problem). The host was not sleeping: I could still ssh into it. The problem also vanished after I downgraded TeamViewer to version 15. If the content is different, restore the original content of the file. It blanks after the time interval you set at Settings > Power > Blank Screen. Finally, reboot your system: reboot. 04 . Upon returning to my laptop, I found that my screen was still on and that my session was not locked. Add the nouveau. 04; Share. Follow edited Apr 23, 2020 at 20:38. The issue with Ubuntu 22. I am in a bind as I need to connect to Ubuntu via Windows. But if I try with sudo nautilus command then It can open. I am pretty new to Ubuntu. 10 live all it shows is blank screen in both modes. The blanking is immediate and occurs after 30 seconds. 04 VMs, as if it couldn't save the resolution or could not reload it after a reboot). This usually solves the I have found the issue, it is due because at some point during the update I have updated php and there were running both versions, so I had to disable 7. Look for the line: GRUB_CMDLINE_LINUX="" and make sure it looks like this: I want that my ubuntu automatically locks my screen after 30 minutes. 04 LTS. 04; Focal Fossa) Ask Question Asked 2 years, An Ubuntu machine will be stuck on a "blank" screen after entering the user name and password in the login screen. 0 votes Report a concern. . That seems to work well, except the command also locks the screen. pressing f10 5. Pull up a Terminal and run: sudo nano /etc/default/grub to pull up the boot loader configuration. Screen Blank does not work anymore. grub command line is unchanged, so the kernel is suspect #1 now. But when I use <system> + L or the screen automatically get locked, my tv screen should show the login mask or lock screen background image and don't show a black screen or hdmi signal get lost and not that my samsung screen in this case shows a message like "no signal hdmi" (until I press Other things I tried was to reinstall ubuntu-desktop, sudo apt install --reinstall ubuntu-desktop which also did not work. 04, but I can't seem to connect to my Ubuntu desktop from a Windows (10) PC. I think it resets the display settings to default. GRUB_CMDLINE_LINUX_DEFAULT="quiet Ubuntu black screen solution; How to install macOS theme on Ubuntu 22. boot from installation media 2. To do this, log out, and on the graphical login screen click the Ubuntu logo or gear icon near your login name. Now you should see your normal login screen and login as usual. x. In this article, we have discussed six Currently, i made one more change in the bios. boot; 20. I eventually upgraded to 20. 04. After upgrading from 23. When remote Ubuntu machine boots up, my any desk screen will only show black screen. Google Meet share screen black after upgrading to Ubuntu 22. The mouse pointer shows up on that screen but otherwise stays dark. I've tried lots of different things -- using Oilaf/Ubuntu-X bleeding-edge drivers, switching to lightdm, running gdm3 -reset-- but the only thing that "Files" File manager is not working on my Ubuntu 20. Then replace the words quiet splash with nomodeset. After encountering a blank screen issue while using XRDP on Ubuntu, I spent some time troubleshooting and managed to find a straightforward solution. I installed Ubuntu 20. 04 (Jammy Jellyfish) which was the first version of Ubuntu that I installed on this machine. Identify your NVIDIA graphics hardware by executing: On my Dell XPS 13 with Ubuntu 20. 3-71-g709398e from Canonical installed" Reply reply DocGerbill App Showing blank screen on all app related Ubuntu 20. Hardware errors: If the hardware components or peripherals such as keyboards, mice, and cables are worn out, they could cause display issues. See if there is any advice in Ubuntu's help channels for troubleshooting black screen after the username & password. Initially, the installation may run smoothly. 0, nvidia-drivers 510. My laptop is HP 14dg1039wm. The screen locks itself too quickly — Change how long to wait before locking the screen in the Screen Lock settings. I have anydesk running on my windows PC and remote Ubuntu machine. We can conclude that most boot-up-related issues are because of broken drivers or system files. lspci -k | grep -EA3 'VGA|3D|Display' After running sudo modprobe amdgpu Screen Blank works (I've set it to 1 minute) I tested it in a short time. 04, and it seems like the power-saving feature does not actually turn off the screen(s) after X minutes, but just blanks them. 04 multiple screens stopped working. After downgraded to nvidia-435 driver, the problem didn't solve for me. To get back to the GDM login screen press Ctrl+Alt+F1. Again not fully happy but a solution to the blank screen issue This will install the full xrdp server app. I found this fix in this comment. In this tutorial, we will look at a solution to fix a black screen on Ubuntu. The fact is: they could work for a few seconds at the begining, BUT then the screen seems stucked and nothing works anymore, I could only force to restart my computer. 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. See Black screen after logging in, after upgrading to 20. The solution is to boot Ubuntu once in nomodeset mode (your screen may look weird) to bypass the black screen, download and install the drivers, and then reboot to fix it for ever. FIX for suspend-resume problem - black screen on resume Ubuntu 20. I have searched for some answers and found this thread. Could be a problem within the VM's OS itself. I am thinking this may be linked to the issue Go into Terminal at the login screen, remove the file . eedd 0 Reputation points. sh file and compare it with a working system. I can see below logs: Aug 15 12:39:12 navratan-ubuntu gnome-shell[2791]: Screen lock is locked down, not locking Aug 15 12:39:37 navratan-ubuntu gsd-m The fact is that it looks like Ubuntu 22. I am not using Ubuntu Budgie, I am using stock Ubuntu 22. I have You can fix this by typing e at the Try Ubuntu without installing option from the initial black screen menu. It is configurable at boot time with the paramater consoleblank=, or in userspace with setterm. 04 LTS; GNOME version: 42. 4, and it has worked, I realized that some other programs that I have with PHP were not working either, but part of them were running fine. I don't see anything wrong with the Virtualbox side of things in this log. This will work for the new Ubuntu 18. I have a similar problem with Ubuntu 22. 7 or above. 10 to 24. (this is not specific to this one VM, it has happened with all the Ubuntu 22. It will keep showing black screen until the user has logged in to the Ubuntu OS. Why do things look fuzzy/pixelated on my screen? — The screen resolution may be If your Ubuntu versions of these components are lower, than these, you will probably experience blank or corrupted DisplayLink screens. 04 system. Set screen brightness — Change the screen brightness to make it more readable in bright light. These support scripts MUST be removed for nvidia-driver-470 onwards using: The following worked for me on 20. This makes you use Unity 2D instead of Unity. Booting to black screen (possible ecryptfs failure) Update: I wasn't able to get the display working in 18. Interestingly, unplugging the AC adapter and plugging it in again, repeating this 2 to 4 times, temporarily resolves the issue. killall snap-store snap-store # reopen the App Center. 10) Bios: Uefi, security OFF. Make sure that option is set correctly to Super+L, It would be disable during update. Now we just need to increase the disk size and here Yes, completely. 04 in a virtual machine, exactly with VirtualBox. config/dconf/user and then sudo reboot. We hope that you were quickly able to fix the problem with the help of this The computer seems to boot perfectly in the background, and I can log in to my Ubuntu OS, although throughout the process, the screen remains blank. Powering on and shutting the lid with HDMI will make the screen work but then opening lid will make the laptop screen not work and stay dark (so it's not the issue with monitor/cable). Most problems with the display are caused by issues with graphics drivers or configuration. However, the problem 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. How to Fix a Camera Not Working in Ubuntu. I systematically went through all everything in settings and gnome-tweaks for power and screen saver (and maybe something else?) and set everything to non-zero delays. session idle-delay 3600 This causes a "1 hour" item to show up in the dropdown, but the dropdown will be glitched to always say "Never". When I try to lock the screen, it gets blank an after I move the mouse the desktop shows up without asking for password. 04 LTS Make sure you have a good backup anyway. – If you have tried all of the troubleshooting steps and your camera is still not working, you may need to contact the manufacturer of your camera for support. ) Upon executing the command, the screen fully blanks (no power to the screen) and then goes dark (black, but backlight still on) and then goes fully blank again. Issue black screen after logging in . Kernel detected, just leaves me at the black screen though. This makes it so that xwayland does not run and you can use the xinput disable [device id] command without any problem. (If you're using GNOME Shell, you can select GNOME Fallback / GNOME Classic instead. Issue: Whenever the laptop suspends (either due to a closed lid or due to a black screen for a certain time), I cannot wake it up. 04 up until yesterday, with i3. Now, on 22. oh but keep in mind this rolled it back to the old Ubuntu Software app, not fix the new App Center. I do the following: 1. 04 that I installed the Budgie Desktop packages on afterwards. 10 » Ubuntu Desktop Guide » Hardware › Problems » Screen problems. The computer seems to boot perfectly in the background, and I can log in to my Ubuntu OS, although throughout the process, the screen remains blank. 04 (hosted with Hyper-V) 0. It still doesn't seem to be working. If your camera is not working in Ubuntu, there are a few things you can try to troubleshoot the issue. EDIT: Ubuntu versions after 22. d with syntax that /bin/sh doesn't like (e. 04 I also have the same issue on my Dell Inspiron 1525 from 2008 too running Ubuntu 24. I had a problem where the screen would blank after some time (10 minutes?), and not un-blank in response to mouse/keyboard input. Seems to be a bug in TeamViewer itself. 0. 04LTS, also Ubuntu; Community; Ask! Developer; Design; Hardware; Insights; Blank screen when connecting via Remote Desktop to Xubuntu 18. Hot Network Questions Asymptotic for the roots of a Polynomial 80-90s sci-fi movie in which scientists did something to make the world pitch-black because the ozone layer had depleted On a light aircraft, should I turn off the Ubuntu 24. The black/blank screen Lastly, you can check the content of the /etc/xrdp/startwm. 04 using an HDMI dummy plug and have been working fine for months. After some time and nothing works, I shut it down again plugged my HDMI in the login screen, typed my password and UI works. In Ubuntu 23. setterm from @whitequark's answer is a reasonable userspace tool, but it's not the whole story. There can be a Ignoring this, may result in blank screen upon reboot. If I go to Budgie Control Center, and go to Power > Power Saving Options, I have these settings: Dim Screen - On Screen Blank - 5 minutes If I go to Displays, I have these settings: Blank Screen Delay - 5 minutes Automatic Screen Lock - On I have a new build: seasonic focus gold 550W PSU ASUS tuf gaming A520M plus II MB ryzen 5 4500 corsair vengeance LPX 2x16GB DDR4 and nvidia 980 GTX and the system does not work. 7 and all are working keyboard shortcuts not working on Desktop in Ubuntu 20. But afterwards, whenever I boot the computer from a shut down state, the screen stays The error is most likely to occur when first logging into Ubuntu, and usually indicates that there is a missing video driver. 04 (updated from Ubuntu 14. edit the option by pressing e and change it to nosplash noquiet nomodeset 4. 4k How to show boot text instead of the splash or blank screen on Ubuntu/Kubuntu 18. sh change #!/bin/sh to #!/bin/bash. 0. A few more details from that comment: My issue was caused by custom scripts in /etc/profile. Yesterday I switched to MX Linux with xfce. Screen lock is not working in my Ubuntu 22. I have also notice it does not occur when watching video like YouTube. 10 Ubuntu does not start. 11. This command will list the devices on your system and suggest a driver for each one. Symptoms: Ubuntu knows it is there as it shows in settings. This comment I'm using Ubuntu 16. But each time I dont want to open it through terminal command. It should theoretically still work though. The secondary monitor is working but wifi is not working. 04 (I think it applies to 18. which should update the AMD Radeon drivers. This does not happen when I turn it on with the button When installing Ubuntu you may come across this issue in Virtualbox. Yes, completely. 04, which maby was updated from previous version, I'm not sure). Wayland does not support screen sharing by default (until now, at least!). I have to admit I tried a lot arrount WSL with ubuntu as the network stack didn' work at all so I tried as admin wsl --shutdown wsl /u Ubuntu wsl --set-version Ubuntu 2 now Ubuntu starts in a The solution here was to mark the blank screen with the left mouse button. Web-searching "ubuntu black screen after login" yields interesting results. In version 8 Ubuntu this was not an issue and it just worked. If I try to open it from terminal by using nautilus command, still nothing is happening. The App Centre used to work on Ubuntu 22. windows-7; remote-desktop; remote-access; The screen is grey blank when connecting ubuntu through Conclusion: Fixing Ubuntu freezing at boot time. 04 always show a blank screen when i open app-centre Hi I have installed the Hyper-V manager and installed Ubuntu 22. xrandr brightness works but lacks power management integration, is not convenient, and resets night color. Enter your user name and password. I installed Ubuntu 23. This fixed my problem -- setting a fractional scaling and then black screen after login. The 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 I have a headless homeserver running ubuntu-desktop 22. You can forcibly set the screen blank setting to 1 hour with the following command: gsettings set org. From the kernel documentation (The kernel's command-line parameters):consoleblank= [KNL] The console It's pretty easy and fast for creating Ubuntu VMs but I can't manage to make enhanced session work with them. I confirmed that my settings had "Dim screen when inactive" enabled and that "Blank screen" was set to 15 minutes. modeset=0 parameter to the end of the linux line Then press F10 to boot. 3. Enhanced Session Mode not working - On Ubuntu 16, I changed some settings in compizconfig and changed my refresh rate and when I rebooted my screen went black just with the cursor. 04 + Windows 10 (it was working fine with 19. The problem is partially solved. Edit: I tested it once again (this time it was chaging) and the screen did not blank when I locked my PC this way. Then hit F10 Set screen blanking time — Change the screen blanking time to save power. The BIOS slash screen was always OK but the purple Ubuntu screen never displayed properly. Checkout the 1st URL in the appendix for which menu option to use. I tried to update snap-store but that didn’t work. The first time I installed it, it looked and worked perfectly. 04 and Xorg. So far my laptop did not crash or freeze during screen lock or screen blank or auto-suspend. 04, ensure proper environment variables are set, check XRDP user permissions, disable Enhanced Session in Hyper-V if applicable, and resolve D Re: Screen lock and blank screen does not work in 20. System: Dual boot Ubuntu 20. You can reload the list of available software in the App Center by closing the app and then pressing the keyboard shortcut Ctrl + Alt + T to open the terminal and running the following commands:. I can access tty and all files (/home) are there. It will allow you to remotely connect to your computer if and only if you are NOT logged in locally. I can even drag a software window over to it, but the screen remains dark. on the login screen for your computer select the options wheel in the right hand corner. So, my current settings are: Enabled 'Secure Boot' in bios Ubuntu x86_64 installation; Ubuntu disk is separate from macOS disk; rEFInd bootloader which works with every other OS (grub didn't work well with it, so I installed Ubuntu without a bootloader) Installed on USB external drive since INTERNAL SATA DRIVE IS BROKEN. Org X Server 1. This is both a battery life issue, as the screen is a major power consumer, and a security issue, for obvious reasons. I suspect a problem with graphics drivers. sudo nano /etc/default/grub Find the line with the variable GRUB_CMDLINE_LINUX_DEFAULT, and add nomodeset to the variables, so it looks like this:. Update Ubuntu Kernel to 5. From terminal: "snap-store 41. The laptop does not respond to keystrokes and power button clicks. 04 LTS, but once I upgrade to Ubuntu 20. desktop. In this tutorial you will learn: How to I'm on uBuntu 22. Open the file /etc/xrdp/sesman. If there is an output, then the installation of nvidia is successful! Step-12: Now issue the following command to know which display driver is I was using Ubuntu 20. GRUB menu option only shows black rectangle. When you lock your screen manually with Super + L just hold it a bit longer, then the screen will not blank immediately. Edit: Just to clearify: I had the black screen in TeamViewer's Window, so I could not see the remote system. 91. None of the settings are set to this value. ubuntu-drivers devices. but lately when remoting using "rustdesk" Recently upgraded to Ubuntu 22. g. The VNC option doesn't seem to work either. I can see a black screen and blinking cursor. In one laptop, the problem would occur when the screen would go blank after a period of inactivity. Check if your camera is properly A common class of kernel or video driver bug is a blank or black screen on boot. Try Teams for free But this might not be the problem. It did not blank even after a few hours of idle time. 04 remote desktop headless? for more details. If you don't see the Grub boot menu: Make sure you have working wifi then following below. Set screen blanking time — Change the screen blanking time to save power. 04 Ubuntu defaulted to using xorg as its display server. I have 5 Raspberry Pi 3B since years working, four with the official Raspberry Pi screen with this problem and one with a small 3. Then once you restart the screen goes completely black with or without the ubuntu logo. 04, my second screen does not work, which brought me here. ; A faulty display: If there is something wrong with the display, it could cause it to stop showing the picture. Conclusion. ini using using `sudo: Even when the option appears to "press the F1 key to continue," it doesn't show up on the screen. 04, brightness control keys stopped working. The default console blanking behavior is baked into the kernel at compile time. Improve this question. and the screen goes immediately black a the computer halts and does absolutely nothing. 04 Jammy Top 10 Best Gnome extensions for Ubuntu 22. 0 from apache and enable the new 7. (Stuck at system LOGO screen or it shows black screen). Anydesk is added into the startup applications in the remote machine. The only reason I even went down the RDP road was that VNC would not work either, even after I enabled desktop sharing. I just fixed this problem myself on a lenovo yoga 260 running ubuntu 22. If the distribution is not up to date, you may find issues with blank or corrupted USB displays. I'm trying to get the Remote Desktop feature working on Ubuntu (Desktop) 22. ; A faulty battery: If the battery on your laptop is very low or dead, it could create a problem with your display. I live in a domicile with 2 computer illiterate roommates so the security risk is not zero, but "very low" :-) . When you login remotely using RDP (xrdp) your local monitor will not turn on and show potential observers and intruders what you are doing. I get a black screen on my windows machine, meaning I have to open the terminal on my ubuntu laptop. My Laptop is asus zephyrus g14. **1. 10 last night and have not been able to get the app center to work. Alternate Solution. 04, using the default Gnome shell, I've set the "Blank screen" timeout to 5 minutes. Everything seems to be working fine behind this blank screen. 04 LTS, my mouse and keyboard does not work anymore on login screen. A few days ago I started working with Ubuntu 20. ikr sidrje uhe ytgglisr rvmet fmb xxjwsk ifjgso xukzxw ftxbjj