Which file should Ubuntu use to boot?











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Recently I had my motherboard replaced by a Dell technician. I was dual booting Windows 10 and Ubuntu prior to the replacement, however since the replacement it no longer boots Ubuntu (as I've lost my BIOS settings).



In the UEFI boot manager I can choose a file to boot from, however I'm unsure which one I choose, I assume I am meant to use the entire folder containing these files but unfortunately that isn't an option.



Are any of these files used to boot Ubuntu:



 - fwupx64.efi
- grubx64.efi
- grub.cfg
- shimx64.efi
- mmx64.efi
- BOOTX64.CSV


I've tried grubx64.efi, however it doesn't seem to be working.










share|improve this question






















  • If you have access to a usb drive and another computer, you could try using the usb drive as a Ubuntu Live USB and reinstall grub through it. That should work if there is not problem with your hard drive itself
    – akabhirav
    2 days ago










  • Will all the data stored within Ubuntu be wiped?
    – Explorex
    2 days ago










  • No, it will just reinstall grub on the system which will write the boot sector in your hdd with the correct entries. Please tell me if this works
    – akabhirav
    2 days ago










  • Will give it an attempt, thankyou, will let you know how it goes.
    – Explorex
    2 days ago















up vote
0
down vote

favorite












Recently I had my motherboard replaced by a Dell technician. I was dual booting Windows 10 and Ubuntu prior to the replacement, however since the replacement it no longer boots Ubuntu (as I've lost my BIOS settings).



In the UEFI boot manager I can choose a file to boot from, however I'm unsure which one I choose, I assume I am meant to use the entire folder containing these files but unfortunately that isn't an option.



Are any of these files used to boot Ubuntu:



 - fwupx64.efi
- grubx64.efi
- grub.cfg
- shimx64.efi
- mmx64.efi
- BOOTX64.CSV


I've tried grubx64.efi, however it doesn't seem to be working.










share|improve this question






















  • If you have access to a usb drive and another computer, you could try using the usb drive as a Ubuntu Live USB and reinstall grub through it. That should work if there is not problem with your hard drive itself
    – akabhirav
    2 days ago










  • Will all the data stored within Ubuntu be wiped?
    – Explorex
    2 days ago










  • No, it will just reinstall grub on the system which will write the boot sector in your hdd with the correct entries. Please tell me if this works
    – akabhirav
    2 days ago










  • Will give it an attempt, thankyou, will let you know how it goes.
    – Explorex
    2 days ago













up vote
0
down vote

favorite









up vote
0
down vote

favorite











Recently I had my motherboard replaced by a Dell technician. I was dual booting Windows 10 and Ubuntu prior to the replacement, however since the replacement it no longer boots Ubuntu (as I've lost my BIOS settings).



In the UEFI boot manager I can choose a file to boot from, however I'm unsure which one I choose, I assume I am meant to use the entire folder containing these files but unfortunately that isn't an option.



Are any of these files used to boot Ubuntu:



 - fwupx64.efi
- grubx64.efi
- grub.cfg
- shimx64.efi
- mmx64.efi
- BOOTX64.CSV


I've tried grubx64.efi, however it doesn't seem to be working.










share|improve this question













Recently I had my motherboard replaced by a Dell technician. I was dual booting Windows 10 and Ubuntu prior to the replacement, however since the replacement it no longer boots Ubuntu (as I've lost my BIOS settings).



In the UEFI boot manager I can choose a file to boot from, however I'm unsure which one I choose, I assume I am meant to use the entire folder containing these files but unfortunately that isn't an option.



Are any of these files used to boot Ubuntu:



 - fwupx64.efi
- grubx64.efi
- grub.cfg
- shimx64.efi
- mmx64.efi
- BOOTX64.CSV


I've tried grubx64.efi, however it doesn't seem to be working.







dual-boot uefi bios






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 2 days ago









Explorex

11




11












  • If you have access to a usb drive and another computer, you could try using the usb drive as a Ubuntu Live USB and reinstall grub through it. That should work if there is not problem with your hard drive itself
    – akabhirav
    2 days ago










  • Will all the data stored within Ubuntu be wiped?
    – Explorex
    2 days ago










  • No, it will just reinstall grub on the system which will write the boot sector in your hdd with the correct entries. Please tell me if this works
    – akabhirav
    2 days ago










  • Will give it an attempt, thankyou, will let you know how it goes.
    – Explorex
    2 days ago


















  • If you have access to a usb drive and another computer, you could try using the usb drive as a Ubuntu Live USB and reinstall grub through it. That should work if there is not problem with your hard drive itself
    – akabhirav
    2 days ago










  • Will all the data stored within Ubuntu be wiped?
    – Explorex
    2 days ago










  • No, it will just reinstall grub on the system which will write the boot sector in your hdd with the correct entries. Please tell me if this works
    – akabhirav
    2 days ago










  • Will give it an attempt, thankyou, will let you know how it goes.
    – Explorex
    2 days ago
















If you have access to a usb drive and another computer, you could try using the usb drive as a Ubuntu Live USB and reinstall grub through it. That should work if there is not problem with your hard drive itself
– akabhirav
2 days ago




If you have access to a usb drive and another computer, you could try using the usb drive as a Ubuntu Live USB and reinstall grub through it. That should work if there is not problem with your hard drive itself
– akabhirav
2 days ago












Will all the data stored within Ubuntu be wiped?
– Explorex
2 days ago




Will all the data stored within Ubuntu be wiped?
– Explorex
2 days ago












No, it will just reinstall grub on the system which will write the boot sector in your hdd with the correct entries. Please tell me if this works
– akabhirav
2 days ago




No, it will just reinstall grub on the system which will write the boot sector in your hdd with the correct entries. Please tell me if this works
– akabhirav
2 days ago












Will give it an attempt, thankyou, will let you know how it goes.
– Explorex
2 days ago




Will give it an attempt, thankyou, will let you know how it goes.
– Explorex
2 days ago















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