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Triple/quad Booting Windows 10, El Capitan 10.11.6, and Ubuntu + Kali

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Joined
Nov 9, 2013
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Motherboard
Asus Maximus VII
CPU
i7-4790K
Graphics
GTX 980
Mobile Phone
  1. Android
Hi all!

I'm wanting to get all OS's to boot properly, but I'm having trouble trying to get Mac and Linux to boot properly. Before I go into detail, this is what I have as the core of my rig:

Processor: Intel i7-4790K
Mobo: Asus Maximus VII (Z97)
Graphics: GTX 980

As for my hard drives:

250GB SSD Samsung 850 EVO: Windows 10
1TB WD Blue: Mac OS X ("Mac drive")
2TB Seagate Barracuda: Linux (both Ubuntu and Kali)
3TB Seagate Barracuda: Storage for Windows 10 only

The windows 10 drive boots perfectly fine with either booting from the drive correctly or from either BIOS or Grub2 (off of Linux). Through past experiences, I don't prefer booting it off of clover. That, however, is the least of my issues.

When I try to use grub2 to attempt to boot into Mac, I get a list of about 10 different "boot" files that grub finds off of clover AND off of the Mac drive. Neither of the files listed in grub, though, are able to boot either clover OR boot straight into OS X.

Clover, on the other hand, sees the Linux drive, but refuses to boot into any of the distro's I have installed. Another issue with this is even if I alter the boot priority, Clover will sometimes be the one to boot first. So if I need to boot into Windows, either A) I get kicked back into the BIOS or B) I have to unplug the SATA cables from my Mac drive, THEN select to boot into Windows.

The last issue is that in the BIOS, I get multiple listings for OS X with different names with the size listed. The sizes are the same for every listing with the name, though.

My questions are:
1) Is there a way that, like with the windows drive, if I select the drive, the proper boot loader FOR the drive is loaded and no other boot loader is loaded?
2) If I create a separate partition as the "Boot" partition for the Mac and Linux drives, would that help out in identifying and properly loading the boot loader correctly?
3) If neither isn't possible and/or will not work, what would be the best way to go about this?

Any helpful answers will be appreciated. Thanks in advance! :)
 
Do you have an empty optical drive bay? Do what I did - get a hotswap tray and install it in the ODD bay - https://www.amazon.com/dp/B00P2PNOOM/?tag=tonymacx86com-20

They make different versions - just find one to fit your needs. Only the drive you are booting right now in in a tray.
No worries about problems with booting the wrong drive or one OS messing up the other drives for the other OS's.
 
Bump

So I guess there's no solution to my problem? Tried multiple ways and reinstall, but still can't get this to work.
Are all of your OSs installed in UEFI mode?
 
I know that windows is as well as OSX (I believe...), but Linux isn't because every time I try to install it in UEFI, it gives me a warning message if I want to continue in UEFI it might not install (or something like that) and it fails when its in the process of installing.
 
I know that windows is as well as OSX (I believe...), but Linux isn't because every time I try to install it in UEFI, it gives me a warning message if I want to continue in UEFI it might not install (or something like that) and it fails when its in the process of installing.
Ubuntu I know installs UEFI with no problems.
What you may wind up doing is to install Ubuntu UEFI and use the Ubuntu bootloader to chain boot the Kali OS instead of having a separate Kali boot loader.
 
Ubuntu I know installs UEFI with no problems.
What you may wind up doing is to install Ubuntu UEFI and use the Ubuntu bootloader to chain boot the Kali OS instead of having a separate Kali boot loader.

Not trying to sound like an idot, but for me to chain Kali via Ubuntu, what would I have to do? Just install grub to Ubuntu only?
 
Not trying to sound like an idot, but for me to chain Kali via Ubuntu, what would I have to do? Just install grub to Ubuntu only?
You choose the Ubuntu icon at the Clover screen, then at the Grub boot screen you would choose either Ubuntu or Kali, same as you would if all you had was Ubuntu and Kali installed.
 
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