After I followed some blog to turn on/off some settings ( turn off secure boot, change RAID to AHCI, etc), finally when I select ubuntu to boot, it shows a blank screen. There is nothing wrong with my usb as it works in other laptop to boot ubuntu.
I can't figure out why I am not able to install ubuntu
Unfortunately, your system shipped with Windows 10 and not Ubuntu. I would suggest reaching out to the Ubuntu community or try going to
https://dell.to/3a7yUBc Forums
speedstep
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Posted November 5th, 2020 09:00
There is support for this but its not free.
https://www.dell.com/support/article/en-us/sln151664/how-to-install-ubuntu-linux-on-your-dell-pc?lang=en