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Installation problems with GRUB, can only install by reinstalling Windows in legacy mode but need to keep in UEFI mode



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Kubuntu UEFI Dual Boot with Windows 7 failed at installing Grub-efiMixing Legacy and UEFI boot - WIndows 7 and Ubuntu 13.10How to install grub on this systemInstall Windows 7 with Ubuntu in GPT UEFI modeHow to boot Windows 8 installed in legacy mode using GRUB in EFI mode?Ubuntu 14.04.3 LTS with Windows 10 UEFI GUID custom installationGRUB menu not showing with dual-boot UEFI mode installationDual boot Ubuntu and Windows 8: UEFI vs Legacy modeCan't install Ubuntu alongisde Windows 10 , Should i convert to GPTCan I install Windows after installing Ubuntu on UEFI?





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}







0















I've been trying to install Kubuntu 18.04 and I keep running into the same problem of the installer getting to the point where it needs to install grub and fails with the message:




Can't install grub on sda




After many hours of troubleshooting, I realized that I can get it to install if I reinstall Windows in non-EFI mode, however, this was causing some weird problems with my motherboard so it's no longer an option. I came to this conclusion via checking Disk Management on Windows. As seen in this image...



Disk Management



there is an efi partition. Whenever Kubuntu would install, there wouldn't be an efi partition. So I'm assuming my current Windows install is an UEFI based one. Also, when Windows is installed in UEFI mode, Disk Management initializes the other drives as GPT instead of MBR.



So my question would be what do I need to do (if it's possible) to install Kubuntu while keeping windows in UEFI mode?



Let me know if there is any more information that you need.










share|improve this question




















  • 2





    If you install Windows in UEFI mode, you will have to install Kubuntu also in UEFI mode. You should select the boot from "UEFI something USB" or "USB something UEFI" when you boot from the Live USB to install Kubuntu. Also make sure Fast Boot is disabled in Windows.

    – user68186
    12 hours ago






  • 1





    For better results disable any CSM/Legacy in UEFI settings. This assures you'll be booting and consequently installing in the correct UEFI mode.

    – GabrielaGarcia
    12 hours ago











  • Thanks, I have seen the UEFI USB option in the boot menu, so I will give that a try.

    – Ledus
    11 hours ago


















0















I've been trying to install Kubuntu 18.04 and I keep running into the same problem of the installer getting to the point where it needs to install grub and fails with the message:




Can't install grub on sda




After many hours of troubleshooting, I realized that I can get it to install if I reinstall Windows in non-EFI mode, however, this was causing some weird problems with my motherboard so it's no longer an option. I came to this conclusion via checking Disk Management on Windows. As seen in this image...



Disk Management



there is an efi partition. Whenever Kubuntu would install, there wouldn't be an efi partition. So I'm assuming my current Windows install is an UEFI based one. Also, when Windows is installed in UEFI mode, Disk Management initializes the other drives as GPT instead of MBR.



So my question would be what do I need to do (if it's possible) to install Kubuntu while keeping windows in UEFI mode?



Let me know if there is any more information that you need.










share|improve this question




















  • 2





    If you install Windows in UEFI mode, you will have to install Kubuntu also in UEFI mode. You should select the boot from "UEFI something USB" or "USB something UEFI" when you boot from the Live USB to install Kubuntu. Also make sure Fast Boot is disabled in Windows.

    – user68186
    12 hours ago






  • 1





    For better results disable any CSM/Legacy in UEFI settings. This assures you'll be booting and consequently installing in the correct UEFI mode.

    – GabrielaGarcia
    12 hours ago











  • Thanks, I have seen the UEFI USB option in the boot menu, so I will give that a try.

    – Ledus
    11 hours ago














0












0








0


1






I've been trying to install Kubuntu 18.04 and I keep running into the same problem of the installer getting to the point where it needs to install grub and fails with the message:




Can't install grub on sda




After many hours of troubleshooting, I realized that I can get it to install if I reinstall Windows in non-EFI mode, however, this was causing some weird problems with my motherboard so it's no longer an option. I came to this conclusion via checking Disk Management on Windows. As seen in this image...



Disk Management



there is an efi partition. Whenever Kubuntu would install, there wouldn't be an efi partition. So I'm assuming my current Windows install is an UEFI based one. Also, when Windows is installed in UEFI mode, Disk Management initializes the other drives as GPT instead of MBR.



So my question would be what do I need to do (if it's possible) to install Kubuntu while keeping windows in UEFI mode?



Let me know if there is any more information that you need.










share|improve this question
















I've been trying to install Kubuntu 18.04 and I keep running into the same problem of the installer getting to the point where it needs to install grub and fails with the message:




Can't install grub on sda




After many hours of troubleshooting, I realized that I can get it to install if I reinstall Windows in non-EFI mode, however, this was causing some weird problems with my motherboard so it's no longer an option. I came to this conclusion via checking Disk Management on Windows. As seen in this image...



Disk Management



there is an efi partition. Whenever Kubuntu would install, there wouldn't be an efi partition. So I'm assuming my current Windows install is an UEFI based one. Also, when Windows is installed in UEFI mode, Disk Management initializes the other drives as GPT instead of MBR.



So my question would be what do I need to do (if it's possible) to install Kubuntu while keeping windows in UEFI mode?



Let me know if there is any more information that you need.







dual-boot grub2 partitioning system-installation uefi






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 17 mins ago









Zanna

51.4k13140243




51.4k13140243










asked 13 hours ago









LedusLedus

11




11








  • 2





    If you install Windows in UEFI mode, you will have to install Kubuntu also in UEFI mode. You should select the boot from "UEFI something USB" or "USB something UEFI" when you boot from the Live USB to install Kubuntu. Also make sure Fast Boot is disabled in Windows.

    – user68186
    12 hours ago






  • 1





    For better results disable any CSM/Legacy in UEFI settings. This assures you'll be booting and consequently installing in the correct UEFI mode.

    – GabrielaGarcia
    12 hours ago











  • Thanks, I have seen the UEFI USB option in the boot menu, so I will give that a try.

    – Ledus
    11 hours ago














  • 2





    If you install Windows in UEFI mode, you will have to install Kubuntu also in UEFI mode. You should select the boot from "UEFI something USB" or "USB something UEFI" when you boot from the Live USB to install Kubuntu. Also make sure Fast Boot is disabled in Windows.

    – user68186
    12 hours ago






  • 1





    For better results disable any CSM/Legacy in UEFI settings. This assures you'll be booting and consequently installing in the correct UEFI mode.

    – GabrielaGarcia
    12 hours ago











  • Thanks, I have seen the UEFI USB option in the boot menu, so I will give that a try.

    – Ledus
    11 hours ago








2




2





If you install Windows in UEFI mode, you will have to install Kubuntu also in UEFI mode. You should select the boot from "UEFI something USB" or "USB something UEFI" when you boot from the Live USB to install Kubuntu. Also make sure Fast Boot is disabled in Windows.

– user68186
12 hours ago





If you install Windows in UEFI mode, you will have to install Kubuntu also in UEFI mode. You should select the boot from "UEFI something USB" or "USB something UEFI" when you boot from the Live USB to install Kubuntu. Also make sure Fast Boot is disabled in Windows.

– user68186
12 hours ago




1




1





For better results disable any CSM/Legacy in UEFI settings. This assures you'll be booting and consequently installing in the correct UEFI mode.

– GabrielaGarcia
12 hours ago





For better results disable any CSM/Legacy in UEFI settings. This assures you'll be booting and consequently installing in the correct UEFI mode.

– GabrielaGarcia
12 hours ago













Thanks, I have seen the UEFI USB option in the boot menu, so I will give that a try.

– Ledus
11 hours ago





Thanks, I have seen the UEFI USB option in the boot menu, so I will give that a try.

– Ledus
11 hours ago










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