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Unable to boot live usb

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Unable to boot live usb

Sun Feb 02, 2020 6:21 pm
I am having quite a bit of a trouble with booting the Live USB of KDE Neon User edition, that I've created. I will try to provide you with as much info as I can, by starting that the distro is based on the latest LTS release of ubuntu (18.04).

I have created the live usb by using dd, just like I did for all other distributions for the past few years, like this:

Code: Select all
dd if=<path to the iso file> of=<path to the usb stick> status=progress bs=4M && sync

This is the output of tree -L 1 containing the files:

Code: Select all

├── boot
├── casper
├── dists
├── EFI
├── isolinux
└── pool

6 directories, 0 files

Under Boot I have the following configurations, which in my understanding should help to boot the distro in either Legacy or UEFI mode.

Code: Select all

/media/neon user 20200123-11:31/EFI/BOOT/
├── BOOTx64.EFI
└── grubx64.efi

0 directories, 2 files

I have 2 laptops, both Acer, one running in Legacy mode and one running in UEFI only. I have managed to install KDE Neon on the old one, using Legacy mode with no problems whatsoever.

On the second one, I am not able to even boot into the Live version of the distro, let alone install it. The moment I select from the boot menu to start up the Live USB, I get a blank screen and that's it. No output /quiet mode I guess/, no blinking cursor, nothing.

I have tried to disable Secure Boot option from the bios - same result. Also there is no option available under the Boot section to select either Legacy or UEFI mode.

I have read quite a lot of topics here and other sources as to how to solve this one, but I always end up with the blank screen, so any ideas will be greatly appreciated.

I will list some of the most basic info about my problematic ultrabook here, in case it's actually relevant.

  • Model - Acer Swift 3
  • Processor - Intel Core i5 - 8th generation
  • RAM - 20GB
  • Graphics: nVidia MX250
  • BIOS Type - InsydeH20

I should also point out that I managed to successfully boot and install two distributions on that machine:

  • Ubuntu Gnome 18.04 LTS
  • Ubuntu Mate 18.04 LTS

Lastly, if it matters, I am not interested in having dual boot or anything of the sort, I simply want to know why I am having such troubles with one distribution, while with others it works as expected.

I am sorry if this is not to appropriate category to post this topic. If needed, feel free to move it to more appropriate one.
Thank you.

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