Ubuntu 18.04 Live CD – ‘Try Ubuntu’ Crashes in 18.04 Live CD

18.04bootubiquity

I'm trying to run a live version of Ubuntu 18.04 but as soon as I click on "Try Ubuntu" the mouse' cursor disappears and the system gets stuck.

I tryed to click install and then exit, I was able to move the window and I saw a standard "ubuntu has experienced an internal error", but as I click continue another popup appears, telling me a live desktop would be launched and then the system gets stuck like before.

My clevo P640RE laptop:

i7-6700HQ
8GB ram
Nvidia GeForce GTX 970M
Intel Wireless 8260

Best Answer

I solved this issue thanks to @sudodus.
For others with the same problem, while booting Ubuntu 18.04 press F6. A menu will appear with different options, pressing F6 and e you could edit the boot options, just add nomodeset before quiet splash and press enter.

Once installed you can install proprietary drivers to use the dedicated graphic card.

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Fix Ubuntu Installer Crash – Ubuntu 18.04 Installer Crashes on Dell XPS 15 9560

You are experiencing Bug #1751252.

There are two options to remedy this:

Option 1: Install a newer fixed version of ubiquity

Boot your 18.04 Live ISO
Select Try Ubuntu
Before you start the Ubiquity installer, open a Terminal window (CTRL-ALT-T)

Execute the following command in the Terminal to see which version of ubiquity you have

dpkg -l ubiquity

||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
ii  ubiquity       18.04.14     amd64        Ubuntu live CD installer

If the version is 18.04.14, execute the following to update ubiquity
```
sudo apt update
sudo apt install ubiquity
```

Verify that ubiquity has been upgraded to version 18.04.14.1 (note the .1 at the end)

dpkg -l ubiquity

||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
ii  ubiquity       18.04.14.1   amd64        Ubuntu live CD installer

Start the installer by clicking on the Ubiquity icon, and it should now allow you to proceed through the installation

Option 2: Apply a patch to ubiquity

Boot your 18.04 Live ISO
Select Try Ubuntu
Before you start the Ubiquity installer, open a Terminal window (CTRL-ALT-T)

Execute the following commands in the Terminal to download and apply the patch

cd ~/Downloads

wget https://code.launchpad.net/~azzar1/ubiquity/+git/ubiquity/+merge/345056/+preview-diff/831305/+files/preview.diff --output-document ubiquity.patch

sudo cp /usr/lib/ubiquity/ubiquity/misc.py /usr/lib/ubiquity/ubiquity/misc.py.original

sudo patch /usr/lib/ubiquity/ubiquity/misc.py ubiquity.patch

Start the installer by clicking on the Ubiquity icon, and it should now allow you to proceed through the installation

NVIDIA Drivers – Ubuntu 18.04 Stopped Working with NVIDIA Drivers

You might need to have Direct Rendering Manager Kernel Mode Setting enabled on system boot.
NVIDIA driver's PRIME Synchronization support relies on DRM-KMS, which is disabled by default.
Find more comprehensive information in the discussion on the NVIDIA GPU Unix Graphics forum.

Execute sudo nano /etc/default/grub and add the parameter nvidia-drm.modeset=1 to the line GRUB_CMDLINE_LINUX_DEFAULT. Save the change you've made and run sudo update-grub.
Restart the Ubuntu operating system, and now everything should work properly, right as expected.

Best Answer

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NVIDIA Drivers – Ubuntu 18.04 Stopped Working with NVIDIA Drivers

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