Ubuntu/Windows dual boot
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I'm having some trouble in dual boot between Ubuntu and Windows 10.
I've installed Ubuntu in the same disk but using a shrinked partition.
The problem is: My windows (or motherboard, I don't know) is using UEFI mode and there's no option to change this to legacy mode in my bios.
I can select between O.S selecting boot from "Windows boot manager" for Windows, or simple selecting the disk to boot by Ubuntu.
Is there something that I can do to boot by GRUB or something else that I don't need to change "boot disk" every time that I want to change my O.S?
Thank you for your attention.
OBS: I tried to install grub by grub-install or using boot-repair live cd but no success.
Edit: I've installed ubuntu using the partition edit option, because the "install alongside" option didn't appear for me. So I didn't know if grub is already installed or no.
I though that changing to legacy mode, reinstalling ubuntu, the dual boot will work with no issues.
boot dual-boot grub2 partitioning uefi
asked Dec 2 at 20:34
Bruno Oliniski
11
add a comment |
up vote
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favorite
I'm having some trouble in dual boot between Ubuntu and Windows 10.
I've installed Ubuntu in the same disk but using a shrinked partition.
The problem is: My windows (or motherboard, I don't know) is using UEFI mode and there's no option to change this to legacy mode in my bios.
I can select between O.S selecting boot from "Windows boot manager" for Windows, or simple selecting the disk to boot by Ubuntu.
Is there something that I can do to boot by GRUB or something else that I don't need to change "boot disk" every time that I want to change my O.S?
Thank you for your attention.
OBS: I tried to install grub by grub-install or using boot-repair live cd but no success.
Edit: I've installed ubuntu using the partition edit option, because the "install alongside" option didn't appear for me. So I didn't know if grub is already installed or no.
I though that changing to legacy mode, reinstalling ubuntu, the dual boot will work with no issues.
boot dual-boot grub2 partitioning uefi
asked Dec 2 at 20:34
Bruno Oliniski
11
Welcome to Ask Ubuntu! There is some context missing here. Are you not able to load grub? Cause if you can, grub should give you the option to boot Ubuntu or Windows. And why would you want to change to legacy mode? What happened exactly when you tried to install grub? You can edit your post to clarify and add details.
– wjandrea
Dec 2 at 20:43
If Windows is UEFI, you do not want to ever boot in legacy mode. That creates more issues. Did you install Ubuntu in BIOS/Legacy/CSM boot mode? If so reboot installer in UEFI mode and run Boot-Repair's advanced mode to toally reinstall grub's UEFI version grub-efi-amd64.
– oldfred
Dec 2 at 23:30
add a comment |
up vote
0
down vote
favorite
up vote
0
down vote
favorite
I'm having some trouble in dual boot between Ubuntu and Windows 10.
I've installed Ubuntu in the same disk but using a shrinked partition.
The problem is: My windows (or motherboard, I don't know) is using UEFI mode and there's no option to change this to legacy mode in my bios.
I can select between O.S selecting boot from "Windows boot manager" for Windows, or simple selecting the disk to boot by Ubuntu.
Is there something that I can do to boot by GRUB or something else that I don't need to change "boot disk" every time that I want to change my O.S?
Thank you for your attention.
OBS: I tried to install grub by grub-install or using boot-repair live cd but no success.
Edit: I've installed ubuntu using the partition edit option, because the "install alongside" option didn't appear for me. So I didn't know if grub is already installed or no.
I though that changing to legacy mode, reinstalling ubuntu, the dual boot will work with no issues.
boot dual-boot grub2 partitioning uefi
asked Dec 2 at 20:34
Bruno Oliniski
11
I'm having some trouble in dual boot between Ubuntu and Windows 10.
I've installed Ubuntu in the same disk but using a shrinked partition.
The problem is: My windows (or motherboard, I don't know) is using UEFI mode and there's no option to change this to legacy mode in my bios.
I can select between O.S selecting boot from "Windows boot manager" for Windows, or simple selecting the disk to boot by Ubuntu.
Is there something that I can do to boot by GRUB or something else that I don't need to change "boot disk" every time that I want to change my O.S?
Thank you for your attention.
OBS: I tried to install grub by grub-install or using boot-repair live cd but no success.
Edit: I've installed ubuntu using the partition edit option, because the "install alongside" option didn't appear for me. So I didn't know if grub is already installed or no.
I though that changing to legacy mode, reinstalling ubuntu, the dual boot will work with no issues.
boot dual-boot grub2 partitioning uefi
boot dual-boot grub2 partitioning uefi
asked Dec 2 at 20:34
Bruno Oliniski
11
asked Dec 2 at 20:34
Bruno Oliniski
11
edited Dec 2 at 21:18
asked Dec 2 at 20:34
Bruno Oliniski
11
asked Dec 2 at 20:34
Bruno Oliniski
11
asked Dec 2 at 20:34
Bruno Oliniski
11
11
Welcome to Ask Ubuntu! There is some context missing here. Are you not able to load grub? Cause if you can, grub should give you the option to boot Ubuntu or Windows. And why would you want to change to legacy mode? What happened exactly when you tried to install grub? You can edit your post to clarify and add details.
– wjandrea
Dec 2 at 20:43
If Windows is UEFI, you do not want to ever boot in legacy mode. That creates more issues. Did you install Ubuntu in BIOS/Legacy/CSM boot mode? If so reboot installer in UEFI mode and run Boot-Repair's advanced mode to toally reinstall grub's UEFI version grub-efi-amd64.
– oldfred
Dec 2 at 23:30
add a comment |
Welcome to Ask Ubuntu! There is some context missing here. Are you not able to load grub? Cause if you can, grub should give you the option to boot Ubuntu or Windows. And why would you want to change to legacy mode? What happened exactly when you tried to install grub? You can edit your post to clarify and add details.
– wjandrea
Dec 2 at 20:43
If Windows is UEFI, you do not want to ever boot in legacy mode. That creates more issues. Did you install Ubuntu in BIOS/Legacy/CSM boot mode? If so reboot installer in UEFI mode and run Boot-Repair's advanced mode to toally reinstall grub's UEFI version grub-efi-amd64.
– oldfred
Dec 2 at 23:30
Welcome to Ask Ubuntu! There is some context missing here. Are you not able to load grub? Cause if you can, grub should give you the option to boot Ubuntu or Windows. And why would you want to change to legacy mode? What happened exactly when you tried to install grub? You can edit your post to clarify and add details.
– wjandrea
Dec 2 at 20:43
Welcome to Ask Ubuntu! There is some context missing here. Are you not able to load grub? Cause if you can, grub should give you the option to boot Ubuntu or Windows. And why would you want to change to legacy mode? What happened exactly when you tried to install grub? You can edit your post to clarify and add details.
– wjandrea
Dec 2 at 20:43
If Windows is UEFI, you do not want to ever boot in legacy mode. That creates more issues. Did you install Ubuntu in BIOS/Legacy/CSM boot mode? If so reboot installer in UEFI mode and run Boot-Repair's advanced mode to toally reinstall grub's UEFI version grub-efi-amd64.
– oldfred
Dec 2 at 23:30
If Windows is UEFI, you do not want to ever boot in legacy mode. That creates more issues. Did you install Ubuntu in BIOS/Legacy/CSM boot mode? If so reboot installer in UEFI mode and run Boot-Repair's advanced mode to toally reinstall grub's UEFI version grub-efi-amd64.
– oldfred
Dec 2 at 23:30
add a comment |
1 Answer
1
active
oldest
votes
up vote
0
down vote
Looks like your bootloader is on separate partitions.
1) When you burn the iso image to your usb stick for Ubuntu installation, assuming you're using Rufus Tools, make sure you enable both the UEFI and BIOS boot option for your usb stick.
2) When you install Ubuntu, in the partitions page, make sure to install the bootloader on the same partition (or disk) as Windows.
What motherboard did you use? It's strange to hear that you can't switch to legacy mode. If the problem persist, try to burn the USB stick using only UEFI mode or whatever mode you have Windows installed.
answered Dec 2 at 21:25
matohak
406
Just to clarify, make sure to install the bootloader on the disk (e.g. /dev/sda), not the partition (e.g. /dev/sda1).
– wjandrea
Dec 2 at 21:28
Well. I didn't know, but in rufus there's an option to change to GPT partition instead MBR. Now I can see "Install alongside windows" option in Ubuntu installer. But after reboot, I can see the grub window only when I've selected Ubuntu. After trying to boot from Windows boot manager, the grub never appeared to me again.
– Bruno Oliniski
Dec 3 at 1:34
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
up vote
0
down vote
Looks like your bootloader is on separate partitions.
1) When you burn the iso image to your usb stick for Ubuntu installation, assuming you're using Rufus Tools, make sure you enable both the UEFI and BIOS boot option for your usb stick.
2) When you install Ubuntu, in the partitions page, make sure to install the bootloader on the same partition (or disk) as Windows.
What motherboard did you use? It's strange to hear that you can't switch to legacy mode. If the problem persist, try to burn the USB stick using only UEFI mode or whatever mode you have Windows installed.
answered Dec 2 at 21:25
matohak
406
Just to clarify, make sure to install the bootloader on the disk (e.g. /dev/sda), not the partition (e.g. /dev/sda1).
– wjandrea
Dec 2 at 21:28
Well. I didn't know, but in rufus there's an option to change to GPT partition instead MBR. Now I can see "Install alongside windows" option in Ubuntu installer. But after reboot, I can see the grub window only when I've selected Ubuntu. After trying to boot from Windows boot manager, the grub never appeared to me again.
– Bruno Oliniski
Dec 3 at 1:34
add a comment |
up vote
0
down vote
Looks like your bootloader is on separate partitions.
1) When you burn the iso image to your usb stick for Ubuntu installation, assuming you're using Rufus Tools, make sure you enable both the UEFI and BIOS boot option for your usb stick.
2) When you install Ubuntu, in the partitions page, make sure to install the bootloader on the same partition (or disk) as Windows.
What motherboard did you use? It's strange to hear that you can't switch to legacy mode. If the problem persist, try to burn the USB stick using only UEFI mode or whatever mode you have Windows installed.
answered Dec 2 at 21:25
matohak
406
Just to clarify, make sure to install the bootloader on the disk (e.g. /dev/sda), not the partition (e.g. /dev/sda1).
– wjandrea
Dec 2 at 21:28
Well. I didn't know, but in rufus there's an option to change to GPT partition instead MBR. Now I can see "Install alongside windows" option in Ubuntu installer. But after reboot, I can see the grub window only when I've selected Ubuntu. After trying to boot from Windows boot manager, the grub never appeared to me again.
– Bruno Oliniski
Dec 3 at 1:34
add a comment |
up vote
0
down vote
up vote
0
down vote
Looks like your bootloader is on separate partitions.
1) When you burn the iso image to your usb stick for Ubuntu installation, assuming you're using Rufus Tools, make sure you enable both the UEFI and BIOS boot option for your usb stick.
2) When you install Ubuntu, in the partitions page, make sure to install the bootloader on the same partition (or disk) as Windows.
What motherboard did you use? It's strange to hear that you can't switch to legacy mode. If the problem persist, try to burn the USB stick using only UEFI mode or whatever mode you have Windows installed.
answered Dec 2 at 21:25
matohak
406
Looks like your bootloader is on separate partitions.
1) When you burn the iso image to your usb stick for Ubuntu installation, assuming you're using Rufus Tools, make sure you enable both the UEFI and BIOS boot option for your usb stick.
2) When you install Ubuntu, in the partitions page, make sure to install the bootloader on the same partition (or disk) as Windows.
What motherboard did you use? It's strange to hear that you can't switch to legacy mode. If the problem persist, try to burn the USB stick using only UEFI mode or whatever mode you have Windows installed.
answered Dec 2 at 21:25
matohak
406
edited Dec 2 at 21:34
answered Dec 2 at 21:25
matohak
406
answered Dec 2 at 21:25
matohak
406
answered Dec 2 at 21:25
matohak
406
406
Just to clarify, make sure to install the bootloader on the disk (e.g. /dev/sda), not the partition (e.g. /dev/sda1).
– wjandrea
Dec 2 at 21:28
Well. I didn't know, but in rufus there's an option to change to GPT partition instead MBR. Now I can see "Install alongside windows" option in Ubuntu installer. But after reboot, I can see the grub window only when I've selected Ubuntu. After trying to boot from Windows boot manager, the grub never appeared to me again.
– Bruno Oliniski
Dec 3 at 1:34
add a comment |
Just to clarify, make sure to install the bootloader on the disk (e.g. /dev/sda), not the partition (e.g. /dev/sda1).
– wjandrea
Dec 2 at 21:28
Well. I didn't know, but in rufus there's an option to change to GPT partition instead MBR. Now I can see "Install alongside windows" option in Ubuntu installer. But after reboot, I can see the grub window only when I've selected Ubuntu. After trying to boot from Windows boot manager, the grub never appeared to me again.
– Bruno Oliniski
Dec 3 at 1:34
Just to clarify, make sure to install the bootloader on the disk (e.g. /dev/sda), not the partition (e.g. /dev/sda1).
– wjandrea
Dec 2 at 21:28
Just to clarify, make sure to install the bootloader on the disk (e.g. /dev/sda), not the partition (e.g. /dev/sda1).
– wjandrea
Dec 2 at 21:28
Well. I didn't know, but in rufus there's an option to change to GPT partition instead MBR. Now I can see "Install alongside windows" option in Ubuntu installer. But after reboot, I can see the grub window only when I've selected Ubuntu. After trying to boot from Windows boot manager, the grub never appeared to me again.
– Bruno Oliniski
Dec 3 at 1:34
Well. I didn't know, but in rufus there's an option to change to GPT partition instead MBR. Now I can see "Install alongside windows" option in Ubuntu installer. But after reboot, I can see the grub window only when I've selected Ubuntu. After trying to boot from Windows boot manager, the grub never appeared to me again.
– Bruno Oliniski
Dec 3 at 1:34
add a comment |
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Welcome to Ask Ubuntu! There is some context missing here. Are you not able to load grub? Cause if you can, grub should give you the option to boot Ubuntu or Windows. And why would you want to change to legacy mode? What happened exactly when you tried to install grub? You can edit your post to clarify and add details.
– wjandrea
Dec 2 at 20:43
If Windows is UEFI, you do not want to ever boot in legacy mode. That creates more issues. Did you install Ubuntu in BIOS/Legacy/CSM boot mode? If so reboot installer in UEFI mode and run Boot-Repair's advanced mode to toally reinstall grub's UEFI version grub-efi-amd64.
– oldfred
Dec 2 at 23:30