Ubuntu 21.04. new installation black screen

I used Ubuntu for a while and after last "apt upgrade" the system won't boot. I tried to make clean install, which works OK, but once a perform update, the system won't boot again.

I get the GRUB menu and select Ubuntu, then I see computer logo for a while, then display turns black (No cursor, can't change TTY, nothing..). If I chose Ubuntu recovery mode, it's OK. System boots OK.

I think it's some graphics driver problem, but I don't know what to try. I have everything in default as it is new installation.

Does anyone have experienced same problem recently?

I have HP Omen laptop. Intel + Nvidia 1050M

I only tried to change Additional driver to Nvidia 460 from nouveau-xorg

I'm running on Ubuntu 21.04 with GeForce GTX 570 and I had the same problem: After update I was stuck on black screen after graphical boot loading, but fortunately I could change to TTY3. In order to access system I had to run on recovery mode, but in order to do that I had to go to root terminal, then type startx and then type exit and select resume.

The issue is with driver graphic card. I have a version 390.143 and my solution was to download in apt drivers and lately to run installer downloaded from Nvidia website:

• Nvidia Drivers for 390: https://www.nvidia.com/Download/driverResults.aspx/173111/en-us
• Page for other drivers: https://www.nvidia.com/Download/index.aspx

Before installing make sure you have installed in system, package called nvidia-driver-390, if not and you don't have a repository, type

# add-apt-repository ppa:graphics-drivers/ppa
# apt update
# apt install nvidia-driver-390

Next, in recovery mode enable network then open root terminal. If you have package nvidia-driver-390 installed, then find a place, where you'll download in terminal another file. By default downloaded files are stored in /root directory. To download installer from Nvidia website in terminal type:

# wget https://us.download.nvidia.com/XFree86/Linux-x86_64/390.143/NVIDIA-Linux-x86_64-390.143.run

If you have a different version of driver, you can change that link for example for 418.113 drivers, the link is:

https://us.download.nvidia.com/XFree86/Linux-x86_64/418.113/NVIDIA-Linux-x86_64-418.113.run

As a template, the link looks like this:

https://*country*.download.nvidia.com/XFree86/*architecture*/*version*/NVIDIA-*architecture*-*version*.run

When you successfully downloaded this file, then you need to give permission in order to run installer, type:

# chmod +x NVIDIA-Linux-x86_64-390.143.run
# ./NVIDIA-Linux-x86_64-390.143.run

Next, the window will appear, that'll looks like this: Start of NVIDIA installation process

Select Continue installation

If you'll get an information about driver that is already installed, select Continue installation. Next if it'll ask you about DKMS, choose default option, that is No and select to install 32-bit libraries (Yes). After successful install select marked options on the next pages, but in NVIDIA X configuration section, choose Yes and then reboot system. There may be some problems in configuring DKMS during installing process.

And now after rebooting, you should have a functioning system. This is my solution for repairing boot problem that worked for me.