grub rescue problems - deleted partition -reinstalling Ubuntu

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I am having grub rescue problems, trying to reinstall a deleted Ubuntu instance.



I used the "ls" command and have 4 partitions. I went through all 4 of them doing "set root" and "set prefix, boot/grub" and for all 4 of them I got error:unknowfile system



but all I have to do is turn off legacy and Windows boots up.



I can boot windows in UEFI mode (non legacy mode) in my bios, but I installed Ubuntu with a Windows partition using a boot drive on a usb stick and it's the first time a usb boot ever worked for me, had a hard time on my mac, could only boot from dvd's.



I got Ubuntu installed but my grub menu wouldn't appear, actually made it appear once and windows wasn't on the list, since I partition on windows using my Dell laptop, windows was installed first, I went through the instructions on a YouTube video and made my boot usb and went into legacy mode and installed, but I had the option to INSTALL WITH WINDOWS but I went the OTHER route and thought that is why the grub menu wasn't working.



so I deleted the partition thinking I could reinstall UBUNTU WITH WINDOWS so my grub menu would work



Could I reinstall Windows than make another go at Ubuntu partition or is my bios grub menu messed up permanently?



How do you suggest I fix grub rescue with the information I gave?










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  • Could you please run Boot-Info and edit your question to include a link to its resulting info log? Thanks.
    – David Foerster
    Mar 21 at 17:24














up vote
0
down vote

favorite












I am having grub rescue problems, trying to reinstall a deleted Ubuntu instance.



I used the "ls" command and have 4 partitions. I went through all 4 of them doing "set root" and "set prefix, boot/grub" and for all 4 of them I got error:unknowfile system



but all I have to do is turn off legacy and Windows boots up.



I can boot windows in UEFI mode (non legacy mode) in my bios, but I installed Ubuntu with a Windows partition using a boot drive on a usb stick and it's the first time a usb boot ever worked for me, had a hard time on my mac, could only boot from dvd's.



I got Ubuntu installed but my grub menu wouldn't appear, actually made it appear once and windows wasn't on the list, since I partition on windows using my Dell laptop, windows was installed first, I went through the instructions on a YouTube video and made my boot usb and went into legacy mode and installed, but I had the option to INSTALL WITH WINDOWS but I went the OTHER route and thought that is why the grub menu wasn't working.



so I deleted the partition thinking I could reinstall UBUNTU WITH WINDOWS so my grub menu would work



Could I reinstall Windows than make another go at Ubuntu partition or is my bios grub menu messed up permanently?



How do you suggest I fix grub rescue with the information I gave?










share|improve this question























  • Could you please run Boot-Info and edit your question to include a link to its resulting info log? Thanks.
    – David Foerster
    Mar 21 at 17:24












up vote
0
down vote

favorite









up vote
0
down vote

favorite











I am having grub rescue problems, trying to reinstall a deleted Ubuntu instance.



I used the "ls" command and have 4 partitions. I went through all 4 of them doing "set root" and "set prefix, boot/grub" and for all 4 of them I got error:unknowfile system



but all I have to do is turn off legacy and Windows boots up.



I can boot windows in UEFI mode (non legacy mode) in my bios, but I installed Ubuntu with a Windows partition using a boot drive on a usb stick and it's the first time a usb boot ever worked for me, had a hard time on my mac, could only boot from dvd's.



I got Ubuntu installed but my grub menu wouldn't appear, actually made it appear once and windows wasn't on the list, since I partition on windows using my Dell laptop, windows was installed first, I went through the instructions on a YouTube video and made my boot usb and went into legacy mode and installed, but I had the option to INSTALL WITH WINDOWS but I went the OTHER route and thought that is why the grub menu wasn't working.



so I deleted the partition thinking I could reinstall UBUNTU WITH WINDOWS so my grub menu would work



Could I reinstall Windows than make another go at Ubuntu partition or is my bios grub menu messed up permanently?



How do you suggest I fix grub rescue with the information I gave?










share|improve this question















I am having grub rescue problems, trying to reinstall a deleted Ubuntu instance.



I used the "ls" command and have 4 partitions. I went through all 4 of them doing "set root" and "set prefix, boot/grub" and for all 4 of them I got error:unknowfile system



but all I have to do is turn off legacy and Windows boots up.



I can boot windows in UEFI mode (non legacy mode) in my bios, but I installed Ubuntu with a Windows partition using a boot drive on a usb stick and it's the first time a usb boot ever worked for me, had a hard time on my mac, could only boot from dvd's.



I got Ubuntu installed but my grub menu wouldn't appear, actually made it appear once and windows wasn't on the list, since I partition on windows using my Dell laptop, windows was installed first, I went through the instructions on a YouTube video and made my boot usb and went into legacy mode and installed, but I had the option to INSTALL WITH WINDOWS but I went the OTHER route and thought that is why the grub menu wasn't working.



so I deleted the partition thinking I could reinstall UBUNTU WITH WINDOWS so my grub menu would work



Could I reinstall Windows than make another go at Ubuntu partition or is my bios grub menu messed up permanently?



How do you suggest I fix grub rescue with the information I gave?







dual-boot grub2 partitioning grubrescue






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share|improve this question













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edited Mar 21 at 17:18









Jason Aller

44758




44758










asked Mar 21 at 15:53









justbrian

11




11











  • Could you please run Boot-Info and edit your question to include a link to its resulting info log? Thanks.
    – David Foerster
    Mar 21 at 17:24
















  • Could you please run Boot-Info and edit your question to include a link to its resulting info log? Thanks.
    – David Foerster
    Mar 21 at 17:24















Could you please run Boot-Info and edit your question to include a link to its resulting info log? Thanks.
– David Foerster
Mar 21 at 17:24




Could you please run Boot-Info and edit your question to include a link to its resulting info log? Thanks.
– David Foerster
Mar 21 at 17:24















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