Trying to install another OS on my pc

[Luis Vercetti]

i have a lenovo laptop currently running windows 10. usually when i have a problem like this i would ask somewhere else but most answers i get are "lol that makes no sense". I have tried not only on this pc but on my other amd Computer to install Ubuntu on either one. i have tried MANY MANY MANY methods on youtube like dual booting, partition making etc but all failed. on this laptop my pc originally ran windows 10 S mode (which pretty much means i cant download anything). I have de-activated S Mode and had the og windows 10 for a few months. one day i tried to install windows 7 on my windows 10 pc but that wouldnt work. i realized that my windows 10 version is kinda messed up because my pc had Lenovo as "Admin". i tried to make a new admin account but it wouldn't let me. long story short i did a new installation of windows 10. that STILL didnt solve my Admin problem but a few other issues i had were fixed. I tried to recently install ubuntu but everything had failed. first i tried making a new partition and trying to dual boot install using EasyBCD. i end up getting an error in the boot manager saying "your operating system setup is missing important files please insert a DVD and try again" i know that isnt true because this happened when i tried to install windows 7 on my pc. i THEN found out i am using a UEFI pc which meant i cant switch OS's. of course there is always methods around this all of the methods ive tried failed. I cant use a dvd because my laptop doesnt have a dvd slot which is stupid. none of the local stores near me sell USB's that have more than 20 f*cking MB of storage. my question is that is there a way to install ubuntu on a lenovo laptop with a UEFI system without a cd or dvd. there are tutorials on youtube that claim this but of course they never work for me.
 

[sivispacem]

You tried this method? https://opensource.com/article/19/5/dual-booting-windows-linux-uefi

 

I've dual booted numerous systems, almost all of them being UEFI and never ran into issues before. IIRC the process us vastly easier if you run Windows as the host system and then install Linux as the secondary.

 

You'll have the most success from s clean formatted drive with no host OS.

[Luis Vercetti]

16 hours ago, sivispacem said:

You tried this method? https://opensource.com/article/19/5/dual-booting-windows-linux-uefi

 

I've dual booted numerous systems, almost all of them being UEFI and never ran into issues before. IIRC the process us vastly easier if you run Windows as the host system and then install Linux as the secondary.

 

You'll have the most success from s clean formatted drive with no host OS.

i tried this method now and unfortunately that has failed aswell. ive tried a lot of methods at this point but like i said its almost like my pc refuses to use any OS besides windows 10..

[Presidential]

On my motherboard (an ASUS), I had to change the Secure Boot settings to Other OS before I attempted to install Arch. Maybe try looking into your BIOS settings.

 

You should really look into some documentation on your motherboard and all that, though. No matter what distro I'm installing, I start with the documentation beforehand. I've learned not reading through everything can really bite you in the long run.