No matter of changing or resizing the window. . A common class of kernel or video driver bug is a blank or black screen on boot. However today it went wrong :(I rebooted my system to go in to windoze 10 without any problems, as I have done before. This problem occurs on my dell machine ubuntu 16.04.This is time when my machine is giving me notifications that upgrade to Ubuntu 18.04. Black screen with blinking cursor is what happens in BIOS based system tries to boot a partition that is not bootable. Or is this a brand new install of Ubuntu? Did you install Ubuntu in Bios mode or UEFI? It has been running fine until I did some updates today. Cursor Blinking Screen Today we are going to do a main site post on how to fix an issue whereby the Ubuntu installer finishes but upon reboot only a blinking cursor and black screen is seen. Preface: I have a Lenovo Z50, 4GB RAM. I ignored many times. That took away the text dump walls, however, brought me back to the Blank-screen-blinking-cursor. Tell us more about this so we can help you. I am running 12.04 64 bit on an AMD system. When I restarted I can see only a black screen only mouse pointer visible and a notification from checkgmail that new email has come (on top of this black screen). 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,. Problem: The first time I installed, the installation went perfect (I had chosen to install additional extras), and I chose "try OS for some time" over "reboot now" option. After approx. I can move the cursor around but that is all. I tried installing KDE Neon 5.15.4 (based on Ubuntu 18.04) on it, but I am getting problems. 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. I can get to a terminal (Cntrl-Alt-F1) and I tried doing an apt-get update and upgrade again and then reboot again but no change. Ubuntu mate noob here I can’t find a folder called " gdm3" anywhere in my system nor wayland - either one seem to be the popular troubleshooting paths to take My system auto boots to a black screen. 15-25sec, it goes to the blank-screen-blinking-cursor. The black/blank screen never goes a 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. Now it comes up to the login screen, but after I login, all I get is a black screen with the cursor on it. But again - successful install followed by black screen after boot of the machine. What I did try, was to remove the USB WiFi adapter that I have. Today I did some updates, installed programs and some theme customization for gtk apps. I am a noob, so question may be over-descriptive. Was this a working under Ubuntu and then this happened? I created new VM for the latest Linux Mint 19.3 which was installed successfully but after reboot the screen was black. - The initial "purple splash" screen with keyboard logo = (person) on the bottom of the screen does show up. I decided to install the older working version and see if the problem is solved. After doing nothing much, I rebooted to Ubuntu and was greeted with a black screen with a mouse cursor. (Or the boot code got corrupted. Since I installed Kubuntu 18.04, it's been working fine.

kubuntu black screen with cursor

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