My machine always reboot into the GRUB prompt instead of GRUB menu
I got a problem that is after rebooting grub CLI always appears instead of grub menu. For me the problem is not being unable to boot into any kernels (it is simple: type exit and enter twice do the job and the grub menu reappear). What I want is to boot into grub menu instead of CLI. Is there any way to fix this?
I'm using Ubuntu 18.04 with GRUB2.
grub2 dual-boot grub reboot
asked May 7 '18 at 9:49
Aiden BheAiden Bhe
62
bumped to the homepage by Community♦ 11 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I got a problem that is after rebooting grub CLI always appears instead of grub menu. For me the problem is not being unable to boot into any kernels (it is simple: type exit and enter twice do the job and the grub menu reappear). What I want is to boot into grub menu instead of CLI. Is there any way to fix this?
I'm using Ubuntu 18.04 with GRUB2.
grub2 dual-boot grub reboot
asked May 7 '18 at 9:49
Aiden BheAiden Bhe
62
bumped to the homepage by Community♦ 11 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Once you boot, runsudo update-grub
– defalt
May 12 '18 at 13:26
add a comment |
I got a problem that is after rebooting grub CLI always appears instead of grub menu. For me the problem is not being unable to boot into any kernels (it is simple: type exit and enter twice do the job and the grub menu reappear). What I want is to boot into grub menu instead of CLI. Is there any way to fix this?
I'm using Ubuntu 18.04 with GRUB2.
grub2 dual-boot grub reboot
asked May 7 '18 at 9:49
Aiden BheAiden Bhe
62
I got a problem that is after rebooting grub CLI always appears instead of grub menu. For me the problem is not being unable to boot into any kernels (it is simple: type exit and enter twice do the job and the grub menu reappear). What I want is to boot into grub menu instead of CLI. Is there any way to fix this?
I'm using Ubuntu 18.04 with GRUB2.
grub2 dual-boot grub reboot
grub2 dual-boot grub reboot
asked May 7 '18 at 9:49
Aiden BheAiden Bhe
62
asked May 7 '18 at 9:49
Aiden BheAiden Bhe
62
edited May 7 '18 at 11:13
Aiden Bhe
asked May 7 '18 at 9:49
Aiden BheAiden Bhe
62
asked May 7 '18 at 9:49
Aiden BheAiden Bhe
62
asked May 7 '18 at 9:49
Aiden BheAiden Bhe
62
62
bumped to the homepage by Community♦ 11 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 11 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Once you boot, runsudo update-grub
– defalt
May 12 '18 at 13:26
add a comment |
Once you boot, runsudo update-grub
– defalt
May 12 '18 at 13:26
Once you boot, run
sudo update-grub– defalt
May 12 '18 at 13:26
Once you boot, run
sudo update-grub– defalt
May 12 '18 at 13:26
add a comment |
1 Answer
1
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oldest
votes
I had the same issue apart from that it was booting not at all.
Reason: My fresh install of Ubuntu 18.04, 17.10 and Mate 18.04 had all put the wrong uuid in /boot/efi/EFI/ubuntu/grub.cfg.
Version 1 (grub-cmd):
From grub shell, find root folder by peeking into the outputs of ls (e.g. ls (hd0,gpt2)/) and make sure to know on which partition your system was installed! For me, it was sda2 since ESP is recommended to be the first.
set root=(hd0,gpt2)
linux /boot/vmlinuz-number-generic root=/dev/sda2
initrd /boot/initrd.img-number-generic
boot
If booting is successful now, you can get your uuid's (not partuuid) by typing blkid and verify that the correct one is noted in /boot/efi/EFI/ubuntu/grub.cfg.
For me:
search.fs_uuid <uuid> root hd0,gpt2
...
Version 2 (install-stick):
If you happen to have a bootable linux-stick, you can also boot that, mount your ESP and change the uuid there:
# Create folder to mount ESP
mkdir /tmp/esp
# Mount ESP (assuming sda1) to esp
sudo mount /dev/sda1 /tmp/esp
# Get UUID's of devices
sudo blkid
# Ensure correct `uuid` is set in `/tmp/esp/efi/EFI/ubuntu/grub.cfg`
reboot
answered Jul 10 '18 at 14:41
SuuuehgiSuuuehgi
48549
add a comment |
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1 Answer
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1 Answer
1
active
oldest
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active
oldest
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active
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votes
I had the same issue apart from that it was booting not at all.
Reason: My fresh install of Ubuntu 18.04, 17.10 and Mate 18.04 had all put the wrong uuid in /boot/efi/EFI/ubuntu/grub.cfg.
Version 1 (grub-cmd):
From grub shell, find root folder by peeking into the outputs of ls (e.g. ls (hd0,gpt2)/) and make sure to know on which partition your system was installed! For me, it was sda2 since ESP is recommended to be the first.
set root=(hd0,gpt2)
linux /boot/vmlinuz-number-generic root=/dev/sda2
initrd /boot/initrd.img-number-generic
boot
If booting is successful now, you can get your uuid's (not partuuid) by typing blkid and verify that the correct one is noted in /boot/efi/EFI/ubuntu/grub.cfg.
For me:
search.fs_uuid <uuid> root hd0,gpt2
...
Version 2 (install-stick):
If you happen to have a bootable linux-stick, you can also boot that, mount your ESP and change the uuid there:
# Create folder to mount ESP
mkdir /tmp/esp
# Mount ESP (assuming sda1) to esp
sudo mount /dev/sda1 /tmp/esp
# Get UUID's of devices
sudo blkid
# Ensure correct `uuid` is set in `/tmp/esp/efi/EFI/ubuntu/grub.cfg`
reboot
answered Jul 10 '18 at 14:41
SuuuehgiSuuuehgi
48549
add a comment |
I had the same issue apart from that it was booting not at all.
Reason: My fresh install of Ubuntu 18.04, 17.10 and Mate 18.04 had all put the wrong uuid in /boot/efi/EFI/ubuntu/grub.cfg.
Version 1 (grub-cmd):
From grub shell, find root folder by peeking into the outputs of ls (e.g. ls (hd0,gpt2)/) and make sure to know on which partition your system was installed! For me, it was sda2 since ESP is recommended to be the first.
set root=(hd0,gpt2)
linux /boot/vmlinuz-number-generic root=/dev/sda2
initrd /boot/initrd.img-number-generic
boot
If booting is successful now, you can get your uuid's (not partuuid) by typing blkid and verify that the correct one is noted in /boot/efi/EFI/ubuntu/grub.cfg.
For me:
search.fs_uuid <uuid> root hd0,gpt2
...
Version 2 (install-stick):
If you happen to have a bootable linux-stick, you can also boot that, mount your ESP and change the uuid there:
# Create folder to mount ESP
mkdir /tmp/esp
# Mount ESP (assuming sda1) to esp
sudo mount /dev/sda1 /tmp/esp
# Get UUID's of devices
sudo blkid
# Ensure correct `uuid` is set in `/tmp/esp/efi/EFI/ubuntu/grub.cfg`
reboot
answered Jul 10 '18 at 14:41
SuuuehgiSuuuehgi
48549
add a comment |
I had the same issue apart from that it was booting not at all.
Reason: My fresh install of Ubuntu 18.04, 17.10 and Mate 18.04 had all put the wrong uuid in /boot/efi/EFI/ubuntu/grub.cfg.
Version 1 (grub-cmd):
From grub shell, find root folder by peeking into the outputs of ls (e.g. ls (hd0,gpt2)/) and make sure to know on which partition your system was installed! For me, it was sda2 since ESP is recommended to be the first.
set root=(hd0,gpt2)
linux /boot/vmlinuz-number-generic root=/dev/sda2
initrd /boot/initrd.img-number-generic
boot
If booting is successful now, you can get your uuid's (not partuuid) by typing blkid and verify that the correct one is noted in /boot/efi/EFI/ubuntu/grub.cfg.
For me:
search.fs_uuid <uuid> root hd0,gpt2
...
Version 2 (install-stick):
If you happen to have a bootable linux-stick, you can also boot that, mount your ESP and change the uuid there:
# Create folder to mount ESP
mkdir /tmp/esp
# Mount ESP (assuming sda1) to esp
sudo mount /dev/sda1 /tmp/esp
# Get UUID's of devices
sudo blkid
# Ensure correct `uuid` is set in `/tmp/esp/efi/EFI/ubuntu/grub.cfg`
reboot
answered Jul 10 '18 at 14:41
SuuuehgiSuuuehgi
48549
I had the same issue apart from that it was booting not at all.
Reason: My fresh install of Ubuntu 18.04, 17.10 and Mate 18.04 had all put the wrong uuid in /boot/efi/EFI/ubuntu/grub.cfg.
Version 1 (grub-cmd):
From grub shell, find root folder by peeking into the outputs of ls (e.g. ls (hd0,gpt2)/) and make sure to know on which partition your system was installed! For me, it was sda2 since ESP is recommended to be the first.
set root=(hd0,gpt2)
linux /boot/vmlinuz-number-generic root=/dev/sda2
initrd /boot/initrd.img-number-generic
boot
If booting is successful now, you can get your uuid's (not partuuid) by typing blkid and verify that the correct one is noted in /boot/efi/EFI/ubuntu/grub.cfg.
For me:
search.fs_uuid <uuid> root hd0,gpt2
...
Version 2 (install-stick):
If you happen to have a bootable linux-stick, you can also boot that, mount your ESP and change the uuid there:
# Create folder to mount ESP
mkdir /tmp/esp
# Mount ESP (assuming sda1) to esp
sudo mount /dev/sda1 /tmp/esp
# Get UUID's of devices
sudo blkid
# Ensure correct `uuid` is set in `/tmp/esp/efi/EFI/ubuntu/grub.cfg`
reboot
answered Jul 10 '18 at 14:41
SuuuehgiSuuuehgi
48549
edited Jul 10 '18 at 16:33
answered Jul 10 '18 at 14:41
SuuuehgiSuuuehgi
48549
answered Jul 10 '18 at 14:41
SuuuehgiSuuuehgi
48549
answered Jul 10 '18 at 14:41
SuuuehgiSuuuehgi
48549
48549
add a comment |
add a comment |
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Once you boot, run
sudo update-grub– defalt
May 12 '18 at 13:26