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  1. #1
    Where is Metla these days Chilling_Silence's Avatar
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    Red face Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    Hey all,

    Long story short, I replaced the HDD on a 2011 iMac (21.5" model). Decent little unit, and it's much better now there's a SSD in there.
    I installed Windows 10 on it initially, but, can't get the drivers to play nice for the GPU (nVidia 9400M) and the basic windows driver means Windows hammers the CPU all the time there's anything doing GPU calls .... So I wanna try and pop Linux on there.
    Don't really care what, Ubuntu, Mint, whatever!
    My issue is that I can't get the damn thing to boot from USB, because I don't have Bootcamp installed, nor do I have the original Mac keyboard.

    Holding Alt will give me the "Choose your boot device", but the USB drive doesn't come up for me because it wants to "EFI Boot", and it's not happy with me putting Mint or Ubuntu onto the USB drive, presumably because they're not UEFI-compatible or whatever

    I can't clear the partition table from within Windows, diskpart warns me I can't do it from the currently active OS.
    I can't use WUBI, it drops its nuts when trying to reboot into it

    Open to any suggestions on how I can get outta this pickle

    Cheers


    Chill.
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

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  2. #2
    Computer Technician wainuitech's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    Years ago they had these round generally silver things called CD's or DVD's - does it give a optical drive option in the boot menu ?

  3. #3
    amateur expert dugimodo's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    Linux can boot EFI on current versions so that shouldn't be it. A lot of people use virtual machines to mount the Linux ISO but I don't quite see how that works for replacing the OS exactly.
    Some instructions here starting from OS X, maybe you can adapt the method http://www.macworld.co.uk/how-to/mac...n-mac-3637265/
    Ryzen 2700X, 16Gb DDR4RAM, 512GB M.2 NVME SSD, MSI GTX1070

  4. #4
    Where is Metla these days Chilling_Silence's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    Ugh, so, burning that same Ubuntu ISO to a DVD works and boots happily.
    Had to go up the road and buy a DVD, first time I've burned one in YEARS now!

    Such a fail, works from DVD but not USB... But I'm in! Thanks guys
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

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  5. #5
    Senior Member 1101's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    Quote Originally Posted by Chilling_Silence View Post

    Such a fail, works from DVD but not USB... But I'm in! Thanks guys
    had a Win10 laptop here with the same issue, boots from DVD , not from USB stick (USB was bootable on other PC's)
    just love machines where they dont test the most basic things before selling em

  6. #6
    Where is Metla these days Chilling_Silence's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    Quote Originally Posted by 1101 View Post
    just love machines where they dont test the most basic things before selling em
    Yay for Macs :P
    On the plus side though it's now running Mint like a freakin' champ!
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

    Before you ask a question here, or before you get upset by a response, see here:
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  7. #7
    amateur expert dugimodo's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    too late then but I meant to say, Rufus has 2 different options for creating a bootable image from an ISO, maybe the one it doesn't default to might have been worth a try, if you are even using Rufus.

    As an unsolicited side note, Rufus will quite happily make a bootable USB installer from a windows Vista ISO Saved me dragging out my DVD's last time. I just keep a couple of RW ones handy.
    Ryzen 2700X, 16Gb DDR4RAM, 512GB M.2 NVME SSD, MSI GTX1070

  8. #8
    Where is Metla these days Chilling_Silence's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    The Windows ISO to USB download tool whatever that Microsoft made back in the day does just fine of making Windows bootable on a USB from the ISO you can get from them too
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

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  9. #9
    amateur expert dugimodo's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    How's the GPU working? I recently found that Chrome and FF often disable a lot of hardware acceleration in Linux so that browser scrolling is not smooth and Video playback uses a lot of CPU.
    For me this is with older intel graphics but it was easy to find guides for forcing hardware acceleration on and it made a fairly nice difference.

    Mint XFCE on a 3Ghz C2D, 4GB of RAM, and intel Q45 integrated graphics is really very responsive and light on resources.
    Ryzen 2700X, 16Gb DDR4RAM, 512GB M.2 NVME SSD, MSI GTX1070

  10. #10
    Where is Metla these days Chilling_Silence's Avatar
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    Default Re: Install Linux on 2011 21.5" iMac from within Windows 10 (No Bootcamp)

    So far it's going brilliantly! Browser scrolling is no issues.
    Drivers installed no worries, tried the nouveau one, rebooted, fine. Then thought I'd live dangerously and the official nVidia one, zero issues
    glxgears is now giving me ~2700fps? I have nothing to compare vs, but, cool

    Seems this is also a 3Ghz C2D, 8G RAM, nVidia 9400M. So nice to have a full bash environment again, haven't yet done the Creators Edition update whatever for Win10 on my main work laptop and have just been using cygwin for the last several years for the most part. Fun times!

    How'd you end up forcing the hardware acceleration? Was that just inside your browser, or, something overall?
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

    Before you ask a question here, or before you get upset by a response, see here:
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