Grub problem with windows 10, boot-repair and manual reinstall not working











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So I've been having problems with my grub now and at this point I've read all the previous posts I could find.

after installing ubuntu 18 my grub can't find Windows 10, this is usually resolved by a simple update grub. but this time this did not help at all. next I tried installing grub-customizer which did not help. then I installed boot-repair and ran into this problem. it asks me to run a command to uninstall the grub but the output on terminal would print




no matches found: grub*-common




and I could not go to the next level on boot-repair. I tried manually reinstalling the grub by running sudo grub-install /dev/sda --root-directory=/mnt
but I got




grub-install: error: cannot find EFI directory.




can anyone point me to a direction on how can I fix my grub?

thanks in advance and any help appreciated.










share|improve this question






















  • May be best to see details, use ppa version with your live installer or any working install, not older Boot-Repair ISO: Please attach link to the summary report, the auto fix sometimes can create more issues. help.ubuntu.com/community/Boot-Repair
    – oldfred
    Nov 15 at 21:13










  • @oldfred I tried doing boot repair according to the link you provided. there is still no difference. and the repair never finishes so there is no repair.
    – Bahman Rouhani
    Nov 17 at 18:35












  • Do not run repair, just run report, or are you not able to run report? Are you connected to Internet?
    – oldfred
    Nov 17 at 19:34










  • @oldfred I can't seem to only run report. I should mention that I'm running this from a working install (I can access my linux, I can't access my windows). should I try this with a live usb?
    – Bahman Rouhani
    Nov 19 at 12:12










  • Boot-Info Summary Report sourceforge.net/p/boot-repair/home/Home You can run from Ubuntu live installer.
    – oldfred
    Nov 19 at 13:15















up vote
0
down vote

favorite












So I've been having problems with my grub now and at this point I've read all the previous posts I could find.

after installing ubuntu 18 my grub can't find Windows 10, this is usually resolved by a simple update grub. but this time this did not help at all. next I tried installing grub-customizer which did not help. then I installed boot-repair and ran into this problem. it asks me to run a command to uninstall the grub but the output on terminal would print




no matches found: grub*-common




and I could not go to the next level on boot-repair. I tried manually reinstalling the grub by running sudo grub-install /dev/sda --root-directory=/mnt
but I got




grub-install: error: cannot find EFI directory.




can anyone point me to a direction on how can I fix my grub?

thanks in advance and any help appreciated.










share|improve this question






















  • May be best to see details, use ppa version with your live installer or any working install, not older Boot-Repair ISO: Please attach link to the summary report, the auto fix sometimes can create more issues. help.ubuntu.com/community/Boot-Repair
    – oldfred
    Nov 15 at 21:13










  • @oldfred I tried doing boot repair according to the link you provided. there is still no difference. and the repair never finishes so there is no repair.
    – Bahman Rouhani
    Nov 17 at 18:35












  • Do not run repair, just run report, or are you not able to run report? Are you connected to Internet?
    – oldfred
    Nov 17 at 19:34










  • @oldfred I can't seem to only run report. I should mention that I'm running this from a working install (I can access my linux, I can't access my windows). should I try this with a live usb?
    – Bahman Rouhani
    Nov 19 at 12:12










  • Boot-Info Summary Report sourceforge.net/p/boot-repair/home/Home You can run from Ubuntu live installer.
    – oldfred
    Nov 19 at 13:15













up vote
0
down vote

favorite









up vote
0
down vote

favorite











So I've been having problems with my grub now and at this point I've read all the previous posts I could find.

after installing ubuntu 18 my grub can't find Windows 10, this is usually resolved by a simple update grub. but this time this did not help at all. next I tried installing grub-customizer which did not help. then I installed boot-repair and ran into this problem. it asks me to run a command to uninstall the grub but the output on terminal would print




no matches found: grub*-common




and I could not go to the next level on boot-repair. I tried manually reinstalling the grub by running sudo grub-install /dev/sda --root-directory=/mnt
but I got




grub-install: error: cannot find EFI directory.




can anyone point me to a direction on how can I fix my grub?

thanks in advance and any help appreciated.










share|improve this question













So I've been having problems with my grub now and at this point I've read all the previous posts I could find.

after installing ubuntu 18 my grub can't find Windows 10, this is usually resolved by a simple update grub. but this time this did not help at all. next I tried installing grub-customizer which did not help. then I installed boot-repair and ran into this problem. it asks me to run a command to uninstall the grub but the output on terminal would print




no matches found: grub*-common




and I could not go to the next level on boot-repair. I tried manually reinstalling the grub by running sudo grub-install /dev/sda --root-directory=/mnt
but I got




grub-install: error: cannot find EFI directory.




can anyone point me to a direction on how can I fix my grub?

thanks in advance and any help appreciated.







boot dual-boot grub2 uefi windows-10






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share|improve this question











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share|improve this question










asked Nov 15 at 20:02









Bahman Rouhani

33




33












  • May be best to see details, use ppa version with your live installer or any working install, not older Boot-Repair ISO: Please attach link to the summary report, the auto fix sometimes can create more issues. help.ubuntu.com/community/Boot-Repair
    – oldfred
    Nov 15 at 21:13










  • @oldfred I tried doing boot repair according to the link you provided. there is still no difference. and the repair never finishes so there is no repair.
    – Bahman Rouhani
    Nov 17 at 18:35












  • Do not run repair, just run report, or are you not able to run report? Are you connected to Internet?
    – oldfred
    Nov 17 at 19:34










  • @oldfred I can't seem to only run report. I should mention that I'm running this from a working install (I can access my linux, I can't access my windows). should I try this with a live usb?
    – Bahman Rouhani
    Nov 19 at 12:12










  • Boot-Info Summary Report sourceforge.net/p/boot-repair/home/Home You can run from Ubuntu live installer.
    – oldfred
    Nov 19 at 13:15


















  • May be best to see details, use ppa version with your live installer or any working install, not older Boot-Repair ISO: Please attach link to the summary report, the auto fix sometimes can create more issues. help.ubuntu.com/community/Boot-Repair
    – oldfred
    Nov 15 at 21:13










  • @oldfred I tried doing boot repair according to the link you provided. there is still no difference. and the repair never finishes so there is no repair.
    – Bahman Rouhani
    Nov 17 at 18:35












  • Do not run repair, just run report, or are you not able to run report? Are you connected to Internet?
    – oldfred
    Nov 17 at 19:34










  • @oldfred I can't seem to only run report. I should mention that I'm running this from a working install (I can access my linux, I can't access my windows). should I try this with a live usb?
    – Bahman Rouhani
    Nov 19 at 12:12










  • Boot-Info Summary Report sourceforge.net/p/boot-repair/home/Home You can run from Ubuntu live installer.
    – oldfred
    Nov 19 at 13:15
















May be best to see details, use ppa version with your live installer or any working install, not older Boot-Repair ISO: Please attach link to the summary report, the auto fix sometimes can create more issues. help.ubuntu.com/community/Boot-Repair
– oldfred
Nov 15 at 21:13




May be best to see details, use ppa version with your live installer or any working install, not older Boot-Repair ISO: Please attach link to the summary report, the auto fix sometimes can create more issues. help.ubuntu.com/community/Boot-Repair
– oldfred
Nov 15 at 21:13












@oldfred I tried doing boot repair according to the link you provided. there is still no difference. and the repair never finishes so there is no repair.
– Bahman Rouhani
Nov 17 at 18:35






@oldfred I tried doing boot repair according to the link you provided. there is still no difference. and the repair never finishes so there is no repair.
– Bahman Rouhani
Nov 17 at 18:35














Do not run repair, just run report, or are you not able to run report? Are you connected to Internet?
– oldfred
Nov 17 at 19:34




Do not run repair, just run report, or are you not able to run report? Are you connected to Internet?
– oldfred
Nov 17 at 19:34












@oldfred I can't seem to only run report. I should mention that I'm running this from a working install (I can access my linux, I can't access my windows). should I try this with a live usb?
– Bahman Rouhani
Nov 19 at 12:12




@oldfred I can't seem to only run report. I should mention that I'm running this from a working install (I can access my linux, I can't access my windows). should I try this with a live usb?
– Bahman Rouhani
Nov 19 at 12:12












Boot-Info Summary Report sourceforge.net/p/boot-repair/home/Home You can run from Ubuntu live installer.
– oldfred
Nov 19 at 13:15




Boot-Info Summary Report sourceforge.net/p/boot-repair/home/Home You can run from Ubuntu live installer.
– oldfred
Nov 19 at 13:15















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