Flagged as discussion because I'm hoping to have one haha. Admittedly, I might be a little bit more of a noob than a nerd... Anyways... So I have a Thinkpad x9 that I bought with windows. I need dual boot. I installed Ubuntu 25.04 on it last year, and have since upgraded it through 25.10, and I'm now on 26.04. Because I dual booted it, apparently,...