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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Linux won't boot, looking for help (sh.itjust.works)

submitted 4 days ago* (last edited 3 days ago) by [email protected] to c/[email protected]

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Hey there. I’m totally new to Linux. I’m not the most tech savvy, but I’m fed up with windows and want to go elsewhere. For the time being I figured I’d dual boot, and got everything set up on a usb. I plugged it in, booted up Linux Mint, and it worked smoothly. I ended the session, powered off my pc, removed the usb, booted up windows 11, freed up some disc space and did some other stuff on my computer, then turned it off for a bit. When I went to boot it up again, I got this message:

Failed to open \EFI\B00T\mmx64.efi - Not Found Failed to load image ??: Not Found Failed to start MokManager: Not Found
Something has gone seriously wrong: import mok-state() failed: Not Found

and then the computer powered off. I tried disabling fast start or whatever it’s called, as well as secure boot, and it’s still giving me that. Windows still boots up just fine. Does anyone have any advice? Like I said I don’t have much technical knowledge so a dumbed down response would be really appreciated. I’ve looked up a few forums and nothing gave me much.

Oh also, when I try to boot it and it gives me the error and turns off, if I turn it back on but boot up windows, I get a message saying something was blocked due to a security system I have to disable, but doesn’t tell me what that security system is or how to disable it. It’s getting a little frustrating. I don’t know why it worked once but not anymore.

Update: I got it working. Thanks everyone for the help.

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[–] [email protected] 9 points 4 days ago* (last edited 4 days ago) (4 children)

Did you try re-doing that?

The EFI partition is something that exists on the storage device being booted, so if something is wrong with that, then the problem is something on the USB.

Since windows still works, the EFI partition on your computer must be fine.

You can also give Ventoy a go. It replaces the need for Balena Etcher/Rufus.

After you install Ventoy on the usb, it will continue to work like a normal usb drive. Now you just put the .iso file you want on the usb. Or multiple at a time, even. And you can continue using it as a usb drive without removing Ventoy or the isos. It wont care if there are other files on it.

When you go to boot from it, Ventoy will show you a menu of the isos on the usb, and let you pick one to boot. Makes it really easy to try a bunch of different distros if you want.

And it works with windows isos, too.

[–] [email protected] 1 points 4 days ago (2 children)

Okay update, part way through the installation process (before it actually started downloading, when it’s still asking questions about languages and location and password and all that) it said it failed and lost connection to the drive or something, then froze. When I tried to re-boot it, it started saying “invalid magic number, load kernel first” or something around those lines. It’s getting late here, so I’ll try it again tomorrow. If you know of anything I can try, I’ll attempt it when I get the chance.

[–] [email protected] 9 points 4 days ago* (last edited 4 days ago) (1 children)

It sounds like maybe the usb drive is a bit crappy.

I've had trouble with cheap ones crapping out partway through being used, but be fine once you re-write the files to them. Twice now, yours worked, but then stopped working suddenly for seemingly no reason.

The drive might also be getting too hot. That happens with the Kingston DataTraveler drives I have. If I try to read or write continuously for too long, they shut down for thermal protection, and I have to let them sit for a bit before they work again.

[–] [email protected] 2 points 3 days ago

I managed to get it running last night and installed on my system. Thank you for your help. I appreciate it.

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