Cannot boot on any OS

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I have windows 7, then I installed ubuntu 18.04 LTS, and have grub to choose my os I want.



When I'd boot my computer to an eSata, and then restart and choose windows 7 on my computer I had an error 0xc000000f Info: An error occurred while attempting to read the boot configuration data



When I tried some command to fix it, I also lost grub, so now I couldn't connect neither to Windows 7 nor Ubuntu.



I know that my data are not lost yet, I tried unplug/plug the hard drive but nothing.




ubuntu boot windows




share|improve this question















  • 1




    Check out Super Grub Disk. This will allow you to boot into any valid OS. Then you can boot into your linux and fix grub.
    – jc__
    Jun 26 at 13:21










  • @jc__ I have a similar issue except: I installed Ubuntu on a dedicated drive, and left Windoze on its original drive. All was well until Windoze did an automatic update. I apparently lost Grub, I did lose the ability to boot into Ubuntu, but can still boot into Windoze.
    – Seamus
    Jun 26 at 14:51






  • 1




    @Seamus Its common for windows to 're-install' the boot loader overwriting grub. Basically a reinstall of grub will fix it. Boot into linux (via a live disk like Super Grub Disk) and 're-install' grub. There are many variables here that prevents a simple answer. MBR vs. GPT; BIOS vs. UEFI ...
    – jc__
    Jun 26 at 15:31










  • @jc__ : Will try that at next opportunity :)
    – Seamus
    Jun 26 at 16:14










  • @jc__ Super Grub Disk worked thanks a lot, but please now how could I fix grub on ubuntu once I'm on it.
    – SWahi
    Jun 26 at 19:51














up vote
0
down vote

favorite












I have windows 7, then I installed ubuntu 18.04 LTS, and have grub to choose my os I want.



When I'd boot my computer to an eSata, and then restart and choose windows 7 on my computer I had an error 0xc000000f Info: An error occurred while attempting to read the boot configuration data



When I tried some command to fix it, I also lost grub, so now I couldn't connect neither to Windows 7 nor Ubuntu.



I know that my data are not lost yet, I tried unplug/plug the hard drive but nothing.




ubuntu boot windows




share|improve this question















  • 1




    Check out Super Grub Disk. This will allow you to boot into any valid OS. Then you can boot into your linux and fix grub.
    – jc__
    Jun 26 at 13:21










  • @jc__ I have a similar issue except: I installed Ubuntu on a dedicated drive, and left Windoze on its original drive. All was well until Windoze did an automatic update. I apparently lost Grub, I did lose the ability to boot into Ubuntu, but can still boot into Windoze.
    – Seamus
    Jun 26 at 14:51






  • 1




    @Seamus Its common for windows to 're-install' the boot loader overwriting grub. Basically a reinstall of grub will fix it. Boot into linux (via a live disk like Super Grub Disk) and 're-install' grub. There are many variables here that prevents a simple answer. MBR vs. GPT; BIOS vs. UEFI ...
    – jc__
    Jun 26 at 15:31










  • @jc__ : Will try that at next opportunity :)
    – Seamus
    Jun 26 at 16:14










  • @jc__ Super Grub Disk worked thanks a lot, but please now how could I fix grub on ubuntu once I'm on it.
    – SWahi
    Jun 26 at 19:51












up vote
0
down vote

favorite









up vote
0
down vote

favorite











I have windows 7, then I installed ubuntu 18.04 LTS, and have grub to choose my os I want.



When I'd boot my computer to an eSata, and then restart and choose windows 7 on my computer I had an error 0xc000000f Info: An error occurred while attempting to read the boot configuration data



When I tried some command to fix it, I also lost grub, so now I couldn't connect neither to Windows 7 nor Ubuntu.



I know that my data are not lost yet, I tried unplug/plug the hard drive but nothing.




ubuntu boot windows




share|improve this question











I have windows 7, then I installed ubuntu 18.04 LTS, and have grub to choose my os I want.



When I'd boot my computer to an eSata, and then restart and choose windows 7 on my computer I had an error 0xc000000f Info: An error occurred while attempting to read the boot configuration data



When I tried some command to fix it, I also lost grub, so now I couldn't connect neither to Windows 7 nor Ubuntu.



I know that my data are not lost yet, I tried unplug/plug the hard drive but nothing.





ubuntu boot windows





share|improve this question










share|improve this question




share|improve this question









asked Jun 26 at 13:10









SWahi

1




1







  • 1




    Check out Super Grub Disk. This will allow you to boot into any valid OS. Then you can boot into your linux and fix grub.
    – jc__
    Jun 26 at 13:21










  • @jc__ I have a similar issue except: I installed Ubuntu on a dedicated drive, and left Windoze on its original drive. All was well until Windoze did an automatic update. I apparently lost Grub, I did lose the ability to boot into Ubuntu, but can still boot into Windoze.
    – Seamus
    Jun 26 at 14:51






  • 1




    @Seamus Its common for windows to 're-install' the boot loader overwriting grub. Basically a reinstall of grub will fix it. Boot into linux (via a live disk like Super Grub Disk) and 're-install' grub. There are many variables here that prevents a simple answer. MBR vs. GPT; BIOS vs. UEFI ...
    – jc__
    Jun 26 at 15:31










  • @jc__ : Will try that at next opportunity :)
    – Seamus
    Jun 26 at 16:14










  • @jc__ Super Grub Disk worked thanks a lot, but please now how could I fix grub on ubuntu once I'm on it.
    – SWahi
    Jun 26 at 19:51












  • 1




    Check out Super Grub Disk. This will allow you to boot into any valid OS. Then you can boot into your linux and fix grub.
    – jc__
    Jun 26 at 13:21










  • @jc__ I have a similar issue except: I installed Ubuntu on a dedicated drive, and left Windoze on its original drive. All was well until Windoze did an automatic update. I apparently lost Grub, I did lose the ability to boot into Ubuntu, but can still boot into Windoze.
    – Seamus
    Jun 26 at 14:51






  • 1




    @Seamus Its common for windows to 're-install' the boot loader overwriting grub. Basically a reinstall of grub will fix it. Boot into linux (via a live disk like Super Grub Disk) and 're-install' grub. There are many variables here that prevents a simple answer. MBR vs. GPT; BIOS vs. UEFI ...
    – jc__
    Jun 26 at 15:31










  • @jc__ : Will try that at next opportunity :)
    – Seamus
    Jun 26 at 16:14










  • @jc__ Super Grub Disk worked thanks a lot, but please now how could I fix grub on ubuntu once I'm on it.
    – SWahi
    Jun 26 at 19:51







1




1




Check out Super Grub Disk. This will allow you to boot into any valid OS. Then you can boot into your linux and fix grub.
– jc__
Jun 26 at 13:21




Check out Super Grub Disk. This will allow you to boot into any valid OS. Then you can boot into your linux and fix grub.
– jc__
Jun 26 at 13:21












@jc__ I have a similar issue except: I installed Ubuntu on a dedicated drive, and left Windoze on its original drive. All was well until Windoze did an automatic update. I apparently lost Grub, I did lose the ability to boot into Ubuntu, but can still boot into Windoze.
– Seamus
Jun 26 at 14:51




@jc__ I have a similar issue except: I installed Ubuntu on a dedicated drive, and left Windoze on its original drive. All was well until Windoze did an automatic update. I apparently lost Grub, I did lose the ability to boot into Ubuntu, but can still boot into Windoze.
– Seamus
Jun 26 at 14:51




1




1




@Seamus Its common for windows to 're-install' the boot loader overwriting grub. Basically a reinstall of grub will fix it. Boot into linux (via a live disk like Super Grub Disk) and 're-install' grub. There are many variables here that prevents a simple answer. MBR vs. GPT; BIOS vs. UEFI ...
– jc__
Jun 26 at 15:31




@Seamus Its common for windows to 're-install' the boot loader overwriting grub. Basically a reinstall of grub will fix it. Boot into linux (via a live disk like Super Grub Disk) and 're-install' grub. There are many variables here that prevents a simple answer. MBR vs. GPT; BIOS vs. UEFI ...
– jc__
Jun 26 at 15:31












@jc__ : Will try that at next opportunity :)
– Seamus
Jun 26 at 16:14




@jc__ : Will try that at next opportunity :)
– Seamus
Jun 26 at 16:14












@jc__ Super Grub Disk worked thanks a lot, but please now how could I fix grub on ubuntu once I'm on it.
– SWahi
Jun 26 at 19:51




@jc__ Super Grub Disk worked thanks a lot, but please now how could I fix grub on ubuntu once I'm on it.
– SWahi
Jun 26 at 19:51















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