Installed Ubuntu and now can't boot to Windows [closed]

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I've looked at a lot of related issues, but to no effect. Full disclosure, this is the first time I've dual-booted in 10 years, and I'm out of practice with linux anyway.



First off, my boot-repair log: http://paste.ubuntu.com/p/Z2hsPvxHSw/



I have had Windows 10 for some time, but I have 4 drives in my comp. One has Windows, one I emptied and installed Ubuntu 18 on, the last 2 are a Raid 0 array.



Ubuntu install went fine, booted up great, but I got no GRUB, and no way to select my windows install to boot. I tried to boot to my other disks and found out that BIOS is a thing of the past and now I'm actually using UEFI, but I know almost nothing about that. So when I try to boot directly to the drive I get "BOOTMGR NOT FOUND" and have to restart.



I've tried boot-repair, obviously, to no avail, and I've tried switching back to legacy grub, but I'm not positive I succeeded in that, as I was doing a lot of copypasta.
What am I missing here? I'm getting desperate.




boot grub uefi




share|improve this question











closed as off-topic by jasonwryan, Rui F Ribeiro, sebasth, schily, Jeff Schaller Jul 29 at 13:16



  • This question does not appear to be about Unix or Linux within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.








  • 2




    I'm voting to close this question as off-topic because this is a Windows problem.
    – Rui F Ribeiro
    Jul 29 at 1:52










  • I won't argue too hard, since I'm not intimately familiar with where this StackExchange draws domains, but since Ubuntu ought to have overridden the Windows Bootloader with GRUB, and GRUB is not being offered, it seems more like a 'nix question than a windows question
    – RedVillain
    Jul 30 at 19:06
















up vote
-1
down vote

favorite












I've looked at a lot of related issues, but to no effect. Full disclosure, this is the first time I've dual-booted in 10 years, and I'm out of practice with linux anyway.



First off, my boot-repair log: http://paste.ubuntu.com/p/Z2hsPvxHSw/



I have had Windows 10 for some time, but I have 4 drives in my comp. One has Windows, one I emptied and installed Ubuntu 18 on, the last 2 are a Raid 0 array.



Ubuntu install went fine, booted up great, but I got no GRUB, and no way to select my windows install to boot. I tried to boot to my other disks and found out that BIOS is a thing of the past and now I'm actually using UEFI, but I know almost nothing about that. So when I try to boot directly to the drive I get "BOOTMGR NOT FOUND" and have to restart.



I've tried boot-repair, obviously, to no avail, and I've tried switching back to legacy grub, but I'm not positive I succeeded in that, as I was doing a lot of copypasta.
What am I missing here? I'm getting desperate.




boot grub uefi




share|improve this question











closed as off-topic by jasonwryan, Rui F Ribeiro, sebasth, schily, Jeff Schaller Jul 29 at 13:16



  • This question does not appear to be about Unix or Linux within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.








  • 2




    I'm voting to close this question as off-topic because this is a Windows problem.
    – Rui F Ribeiro
    Jul 29 at 1:52










  • I won't argue too hard, since I'm not intimately familiar with where this StackExchange draws domains, but since Ubuntu ought to have overridden the Windows Bootloader with GRUB, and GRUB is not being offered, it seems more like a 'nix question than a windows question
    – RedVillain
    Jul 30 at 19:06












up vote
-1
down vote

favorite









up vote
-1
down vote

favorite











I've looked at a lot of related issues, but to no effect. Full disclosure, this is the first time I've dual-booted in 10 years, and I'm out of practice with linux anyway.



First off, my boot-repair log: http://paste.ubuntu.com/p/Z2hsPvxHSw/



I have had Windows 10 for some time, but I have 4 drives in my comp. One has Windows, one I emptied and installed Ubuntu 18 on, the last 2 are a Raid 0 array.



Ubuntu install went fine, booted up great, but I got no GRUB, and no way to select my windows install to boot. I tried to boot to my other disks and found out that BIOS is a thing of the past and now I'm actually using UEFI, but I know almost nothing about that. So when I try to boot directly to the drive I get "BOOTMGR NOT FOUND" and have to restart.



I've tried boot-repair, obviously, to no avail, and I've tried switching back to legacy grub, but I'm not positive I succeeded in that, as I was doing a lot of copypasta.
What am I missing here? I'm getting desperate.




boot grub uefi




share|improve this question











I've looked at a lot of related issues, but to no effect. Full disclosure, this is the first time I've dual-booted in 10 years, and I'm out of practice with linux anyway.



First off, my boot-repair log: http://paste.ubuntu.com/p/Z2hsPvxHSw/



I have had Windows 10 for some time, but I have 4 drives in my comp. One has Windows, one I emptied and installed Ubuntu 18 on, the last 2 are a Raid 0 array.



Ubuntu install went fine, booted up great, but I got no GRUB, and no way to select my windows install to boot. I tried to boot to my other disks and found out that BIOS is a thing of the past and now I'm actually using UEFI, but I know almost nothing about that. So when I try to boot directly to the drive I get "BOOTMGR NOT FOUND" and have to restart.



I've tried boot-repair, obviously, to no avail, and I've tried switching back to legacy grub, but I'm not positive I succeeded in that, as I was doing a lot of copypasta.
What am I missing here? I'm getting desperate.





boot grub uefi





share|improve this question










share|improve this question




share|improve this question









asked Jul 29 at 1:23









RedVillain

1




1




closed as off-topic by jasonwryan, Rui F Ribeiro, sebasth, schily, Jeff Schaller Jul 29 at 13:16



  • This question does not appear to be about Unix or Linux within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.




closed as off-topic by jasonwryan, Rui F Ribeiro, sebasth, schily, Jeff Schaller Jul 29 at 13:16



  • This question does not appear to be about Unix or Linux within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.







  • 2




    I'm voting to close this question as off-topic because this is a Windows problem.
    – Rui F Ribeiro
    Jul 29 at 1:52










  • I won't argue too hard, since I'm not intimately familiar with where this StackExchange draws domains, but since Ubuntu ought to have overridden the Windows Bootloader with GRUB, and GRUB is not being offered, it seems more like a 'nix question than a windows question
    – RedVillain
    Jul 30 at 19:06












  • 2




    I'm voting to close this question as off-topic because this is a Windows problem.
    – Rui F Ribeiro
    Jul 29 at 1:52










  • I won't argue too hard, since I'm not intimately familiar with where this StackExchange draws domains, but since Ubuntu ought to have overridden the Windows Bootloader with GRUB, and GRUB is not being offered, it seems more like a 'nix question than a windows question
    – RedVillain
    Jul 30 at 19:06







2




2




I'm voting to close this question as off-topic because this is a Windows problem.
– Rui F Ribeiro
Jul 29 at 1:52




I'm voting to close this question as off-topic because this is a Windows problem.
– Rui F Ribeiro
Jul 29 at 1:52












I won't argue too hard, since I'm not intimately familiar with where this StackExchange draws domains, but since Ubuntu ought to have overridden the Windows Bootloader with GRUB, and GRUB is not being offered, it seems more like a 'nix question than a windows question
– RedVillain
Jul 30 at 19:06




I won't argue too hard, since I'm not intimately familiar with where this StackExchange draws domains, but since Ubuntu ought to have overridden the Windows Bootloader with GRUB, and GRUB is not being offered, it seems more like a 'nix question than a windows question
– RedVillain
Jul 30 at 19:06















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