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Bios can't find my debian partition
The Next CEO of Stack OverflowGrub doesn't find windows 8Deleted grub partition from windows. Cannot enter BIOS, only shows grub terminalNo bootable medium after installing grub on laptop Acer AspireAssuming drive cacheLinux Mint fails to install grub-efi-amd64 packageGRUB menu does not show up after installing linux mint 18 alongside Windows 10 during bootCan't boot into Debian 9 from Windows boot managerWindows 10 Ubuntu Dual Boot Issues (I know)System skips grub and loads to Windows (UEFI)Microsoft's Windows kills Debian grub after each start
I have windows 10 installed on my tower pc, an Acer Aspire GX-281.
I wanted to install debian in a dual boot fashion.
So I created a bootable usb flash for debian, using Rufus. I installed it but when rebooting, I found no grub (this is a common problem).
I disable secure boot, and turned off fast startup, did the bcdedit trick (bcdedit /set bootmgr path EFIdebiangrubx64.efi) with success (according to the Windows terminal), but still, Grub isn't working. My bios can't even find the debian partition (when trying to change boot order in boot setup menu).
disk priority
What should I do now ?
Do I have to re-install debian ?
[![this may help][2]][2]
[2]: https://i.stack.imgur.com/BwfKC.png
dual-boot grub bios
asked 2 days ago
A AA A
61
New contributor
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I have windows 10 installed on my tower pc, an Acer Aspire GX-281.
I wanted to install debian in a dual boot fashion.
So I created a bootable usb flash for debian, using Rufus. I installed it but when rebooting, I found no grub (this is a common problem).
I disable secure boot, and turned off fast startup, did the bcdedit trick (bcdedit /set bootmgr path EFIdebiangrubx64.efi) with success (according to the Windows terminal), but still, Grub isn't working. My bios can't even find the debian partition (when trying to change boot order in boot setup menu).
disk priority
What should I do now ?
Do I have to re-install debian ?
[![this may help][2]][2]
[2]: https://i.stack.imgur.com/BwfKC.png
dual-boot grub bios
asked 2 days ago
A AA A
61
New contributor
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Did you try live booting into Debian and reinstalling grub under achroot?
– bu5hman
2 days ago
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub.. however i've already installed windows..
– A A
2 days ago
I've tried to install ubuntu beaver ... and the outcome is that i have the same problem. Uefi can't see my partition
– A A
2 days ago
add a comment |
I have windows 10 installed on my tower pc, an Acer Aspire GX-281.
I wanted to install debian in a dual boot fashion.
So I created a bootable usb flash for debian, using Rufus. I installed it but when rebooting, I found no grub (this is a common problem).
I disable secure boot, and turned off fast startup, did the bcdedit trick (bcdedit /set bootmgr path EFIdebiangrubx64.efi) with success (according to the Windows terminal), but still, Grub isn't working. My bios can't even find the debian partition (when trying to change boot order in boot setup menu).
disk priority
What should I do now ?
Do I have to re-install debian ?
[![this may help][2]][2]
[2]: https://i.stack.imgur.com/BwfKC.png
dual-boot grub bios
asked 2 days ago
A AA A
61
New contributor
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I have windows 10 installed on my tower pc, an Acer Aspire GX-281.
I wanted to install debian in a dual boot fashion.
So I created a bootable usb flash for debian, using Rufus. I installed it but when rebooting, I found no grub (this is a common problem).
I disable secure boot, and turned off fast startup, did the bcdedit trick (bcdedit /set bootmgr path EFIdebiangrubx64.efi) with success (according to the Windows terminal), but still, Grub isn't working. My bios can't even find the debian partition (when trying to change boot order in boot setup menu).
disk priority
What should I do now ?
Do I have to re-install debian ?
[![this may help][2]][2]
[2]: https://i.stack.imgur.com/BwfKC.png
dual-boot grub bios
dual-boot grub bios
asked 2 days ago
A AA A
61
New contributor
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 days ago
A AA A
61
New contributor
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 2 days ago
A A
asked 2 days ago
A AA A
61
New contributor
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 days ago
A AA A
61
asked 2 days ago
A AA A
61
61
New contributor
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
A A is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Did you try live booting into Debian and reinstalling grub under achroot?
– bu5hman
2 days ago
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub.. however i've already installed windows..
– A A
2 days ago
I've tried to install ubuntu beaver ... and the outcome is that i have the same problem. Uefi can't see my partition
– A A
2 days ago
add a comment |
Did you try live booting into Debian and reinstalling grub under achroot?
– bu5hman
2 days ago
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub.. however i've already installed windows..
– A A
2 days ago
I've tried to install ubuntu beaver ... and the outcome is that i have the same problem. Uefi can't see my partition
– A A
2 days ago
Did you try live booting into Debian and reinstalling grub under a
chroot?– bu5hman
2 days ago
Did you try live booting into Debian and reinstalling grub under a
chroot?– bu5hman
2 days ago
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub.. however i've already installed windows..
– A A
2 days ago
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub.. however i've already installed windows..
– A A
2 days ago
I've tried to install ubuntu beaver ... and the outcome is that i have the same problem. Uefi can't see my partition
– A A
2 days ago
I've tried to install ubuntu beaver ... and the outcome is that i have the same problem. Uefi can't see my partition
– A A
2 days ago
add a comment |
1 Answer
1
active
oldest
votes
This sounds like you may have a buggy/non-standard UEFI implementation that is restricted to only accepting the Windows bootloader.
A firmware update ("BIOS update") may help.
You should also read this webpage for various things you can do to work around such bugs.
In the question comments, you said:
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub..
The "wants to overwrite the first sector with GRUB" is a big clue that you have booted the installer in legacy BIOS mode instead of UEFI mode. In that situation, the firmware interface to access the UEFI boot variables will not be available, and the installer cannot complete the installation of the bootloader.
When you're dual-booting, both operating systems should be using the same boot method: either both using legacy BIOS or both using native UEFI. Usually the OS installer will auto-select the boot method based on which method is used to boot the installer itself.
answered 19 hours ago
telcoMtelcoM
20.2k12451
Thank you for the answer. The result of boot-info is the following. paste.ubuntu.com/p/7CHsCQW6R6 I would like to have an uefi dualboot. I might need the help of an uefi expert. I am now deleting all of my linux partitions and simply try to install a uefi version of from ""scratch". Should I turn on the CSM option before installing ubuntu ?
– A A
11 hours ago
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
This sounds like you may have a buggy/non-standard UEFI implementation that is restricted to only accepting the Windows bootloader.
A firmware update ("BIOS update") may help.
You should also read this webpage for various things you can do to work around such bugs.
In the question comments, you said:
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub..
The "wants to overwrite the first sector with GRUB" is a big clue that you have booted the installer in legacy BIOS mode instead of UEFI mode. In that situation, the firmware interface to access the UEFI boot variables will not be available, and the installer cannot complete the installation of the bootloader.
When you're dual-booting, both operating systems should be using the same boot method: either both using legacy BIOS or both using native UEFI. Usually the OS installer will auto-select the boot method based on which method is used to boot the installer itself.
answered 19 hours ago
telcoMtelcoM
20.2k12451
Thank you for the answer. The result of boot-info is the following. paste.ubuntu.com/p/7CHsCQW6R6 I would like to have an uefi dualboot. I might need the help of an uefi expert. I am now deleting all of my linux partitions and simply try to install a uefi version of from ""scratch". Should I turn on the CSM option before installing ubuntu ?
– A A
11 hours ago
add a comment |
This sounds like you may have a buggy/non-standard UEFI implementation that is restricted to only accepting the Windows bootloader.
A firmware update ("BIOS update") may help.
You should also read this webpage for various things you can do to work around such bugs.
In the question comments, you said:
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub..
The "wants to overwrite the first sector with GRUB" is a big clue that you have booted the installer in legacy BIOS mode instead of UEFI mode. In that situation, the firmware interface to access the UEFI boot variables will not be available, and the installer cannot complete the installation of the bootloader.
When you're dual-booting, both operating systems should be using the same boot method: either both using legacy BIOS or both using native UEFI. Usually the OS installer will auto-select the boot method based on which method is used to boot the installer itself.
answered 19 hours ago
telcoMtelcoM
20.2k12451
Thank you for the answer. The result of boot-info is the following. paste.ubuntu.com/p/7CHsCQW6R6 I would like to have an uefi dualboot. I might need the help of an uefi expert. I am now deleting all of my linux partitions and simply try to install a uefi version of from ""scratch". Should I turn on the CSM option before installing ubuntu ?
– A A
11 hours ago
add a comment |
This sounds like you may have a buggy/non-standard UEFI implementation that is restricted to only accepting the Windows bootloader.
A firmware update ("BIOS update") may help.
You should also read this webpage for various things you can do to work around such bugs.
In the question comments, you said:
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub..
The "wants to overwrite the first sector with GRUB" is a big clue that you have booted the installer in legacy BIOS mode instead of UEFI mode. In that situation, the firmware interface to access the UEFI boot variables will not be available, and the installer cannot complete the installation of the bootloader.
When you're dual-booting, both operating systems should be using the same boot method: either both using legacy BIOS or both using native UEFI. Usually the OS installer will auto-select the boot method based on which method is used to boot the installer itself.
answered 19 hours ago
telcoMtelcoM
20.2k12451
This sounds like you may have a buggy/non-standard UEFI implementation that is restricted to only accepting the Windows bootloader.
A firmware update ("BIOS update") may help.
You should also read this webpage for various things you can do to work around such bugs.
In the question comments, you said:
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub..
The "wants to overwrite the first sector with GRUB" is a big clue that you have booted the installer in legacy BIOS mode instead of UEFI mode. In that situation, the firmware interface to access the UEFI boot variables will not be available, and the installer cannot complete the installation of the bootloader.
When you're dual-booting, both operating systems should be using the same boot method: either both using legacy BIOS or both using native UEFI. Usually the OS installer will auto-select the boot method based on which method is used to boot the installer itself.
answered 19 hours ago
telcoMtelcoM
20.2k12451
answered 19 hours ago
telcoMtelcoM
20.2k12451
answered 19 hours ago
telcoMtelcoM
20.2k12451
answered 19 hours ago
telcoMtelcoM
20.2k12451
20.2k12451
Thank you for the answer. The result of boot-info is the following. paste.ubuntu.com/p/7CHsCQW6R6 I would like to have an uefi dualboot. I might need the help of an uefi expert. I am now deleting all of my linux partitions and simply try to install a uefi version of from ""scratch". Should I turn on the CSM option before installing ubuntu ?
– A A
11 hours ago
add a comment |
Thank you for the answer. The result of boot-info is the following. paste.ubuntu.com/p/7CHsCQW6R6 I would like to have an uefi dualboot. I might need the help of an uefi expert. I am now deleting all of my linux partitions and simply try to install a uefi version of from ""scratch". Should I turn on the CSM option before installing ubuntu ?
– A A
11 hours ago
Thank you for the answer. The result of boot-info is the following. paste.ubuntu.com/p/7CHsCQW6R6 I would like to have an uefi dualboot. I might need the help of an uefi expert. I am now deleting all of my linux partitions and simply try to install a uefi version of from ""scratch". Should I turn on the CSM option before installing ubuntu ?
– A A
11 hours ago
Thank you for the answer. The result of boot-info is the following. paste.ubuntu.com/p/7CHsCQW6R6 I would like to have an uefi dualboot. I might need the help of an uefi expert. I am now deleting all of my linux partitions and simply try to install a uefi version of from ""scratch". Should I turn on the CSM option before installing ubuntu ?
– A A
11 hours ago
add a comment |
A A is a new contributor. Be nice, and check out our Code of Conduct.
A A is a new contributor. Be nice, and check out our Code of Conduct.
A A is a new contributor. Be nice, and check out our Code of Conduct.
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Did you try live booting into Debian and reinstalling grub under a
chroot?– bu5hman
2 days ago
I am trying to reinstall debian again. The installing program thinks this new installation is the only one on the disk and wants to overwrite the fist sector with Grub.. however i've already installed windows..
– A A
2 days ago
I've tried to install ubuntu beaver ... and the outcome is that i have the same problem. Uefi can't see my partition
– A A
2 days ago