Installed dual-boot ubuntu with windows 11, none work anymore

[mahesh]

[[[SOLVED]]]
Update 6/9/22:
Thanks for everyone who replied! I tried everyone's suggestions but to no avail. At some point I even opened up my laptop to make sure that my SSD was not disconnected. In the end I decided to use a Boot-Repair with a live USB to uninstall Ubuntu through the terminal. Afterwards I used another live USB to reinstall Windows 11 to the laptop-- successfully! After trying to reboot my laptop a couple times to make sure, everything is going smoothly so far. (fingers crossed) Looks like I'll put off dual-booting for now. Hope you all take care.


Hello everyone,

I am very new to ubuntu so please go easy on me. Recently, I wanted to take up learning to code and tried following a guide to install an ubuntu dual-boot to my Dell XPS 13 (2021). For reference, this laptop already had the Windows 11 OS already installed. At first, I successfully installed it and my Ubuntu OS ran just fine. Just once, that is. When I tried to boot the computer again and reboot with Windows 11, the laptop has not been able to boot the Ubuntu OS or Windows 11 OS at all. I also know that Windows 11 is fairly knew and has reported multiple problems in all aspects.

So far, I have tried using a Live Boot Repair USB and was able to obtain the following about my current situation:

https://pastebin.ubuntu.com/p/XmFNh74vwb/

For reference, I also have tried going to my boot configurations and choosing a boot file from my partitions, using the GRUB to choose a file to boot from, and using the Windows recovery settings to reset my PC. All were to no avail. I incredibly apologize to any jargon I may have mixed, or if anything doesn't make any sense. I would be more than happy to answer more questions that can help or clearing things up that I may have missed. I appreciate anything that you guys may advise.