Grub won't show on startup, no matter what I try
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I recently, for fun, tried to take an old computer, format it, and install a dual OS (Windows 10 Home and Ubuntu 18.04) I successfully got both of them installed and running, but to switch between them, I have to use the device's boot selector instead of Ubuntu's convenient grub interface. It does show, but not on boot-up. See the image below for the exact boot order.
(Click image to enlarge)
No matter what I do, I can't get it to show grub on boot-up. I've tried changing the EFI within Ubuntu (it resets after restart), changing within Windows (no option), changing from BIOS (no option), reinstalling grub like 3 times (no effect) and everything else. Can someone please help me get grub to show on first startup?
Here is the output of sudo parted -l :
Model: ATA ST750LM022 HN-M7 (scsi)
Disk /dev/sda: 750GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 524MB 523MB ntfs Basic data partition hidden, diag
2 524MB 629MB 105MB fat32 EFI system partition boot, esp
3 629MB 646MB 16.8MB Microsoft reserved partition msftres
4 646MB 393GB 393GB ntfs Basic data partition msftdata
5 393GB 744GB 351GB ext4
6 744GB 750GB 6328MB linux-swap(v1)
I checked, both Windows 10 and Ubuntu 18.04 are in UEFI.
boot dual-boot grub2 uefi windows-10
edited May 29 at 18:06
karel
49.6k11105126
asked May 29 at 3:05
Hexbugman213
62
 |Â
show 1 more comment
up vote
1
down vote
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I recently, for fun, tried to take an old computer, format it, and install a dual OS (Windows 10 Home and Ubuntu 18.04) I successfully got both of them installed and running, but to switch between them, I have to use the device's boot selector instead of Ubuntu's convenient grub interface. It does show, but not on boot-up. See the image below for the exact boot order.
(Click image to enlarge)
No matter what I do, I can't get it to show grub on boot-up. I've tried changing the EFI within Ubuntu (it resets after restart), changing within Windows (no option), changing from BIOS (no option), reinstalling grub like 3 times (no effect) and everything else. Can someone please help me get grub to show on first startup?
Here is the output of sudo parted -l :
Model: ATA ST750LM022 HN-M7 (scsi)
Disk /dev/sda: 750GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 524MB 523MB ntfs Basic data partition hidden, diag
2 524MB 629MB 105MB fat32 EFI system partition boot, esp
3 629MB 646MB 16.8MB Microsoft reserved partition msftres
4 646MB 393GB 393GB ntfs Basic data partition msftdata
5 393GB 744GB 351GB ext4
6 744GB 750GB 6328MB linux-swap(v1)
I checked, both Windows 10 and Ubuntu 18.04 are in UEFI.
boot dual-boot grub2 uefi windows-10
edited May 29 at 18:06
karel
49.6k11105126
asked May 29 at 3:05
Hexbugman213
62
1
Are both installed in same boot mode, or both UEFI? And is Windows fast start up off, so grub2's os-prober can see the Windows install? then all you should need issudo update-gruband then when grub has both entries it will automatically show. askubuntu.com/questions/843153/… If not post this link to details: help.ubuntu.com/community/Boot-Info
– oldfred
May 29 at 3:27
I did turn off fast boot. I forgot to mention it, but I tried everything I physically could. I'll try that command tomorrow, I need sleep.
– Hexbugman213
May 29 at 6:47
I think you need to also disable hibernate, then re-enable ubuntu as the default uefi boot. Otherwise when windows tries to hibernate, it will change the uefi settings.
– pim
May 29 at 14:19
Please boot into Ubuntu and edit your post with the output ofsudo parted -l
– Elder Geek
May 29 at 15:15
pim, When i disabled hibernate it didn't even give me an option for fast boot, so i assumed it was disabled automatically.
– Hexbugman213
May 29 at 16:17
 |Â
show 1 more comment
up vote
1
down vote
favorite
up vote
1
down vote
favorite
I recently, for fun, tried to take an old computer, format it, and install a dual OS (Windows 10 Home and Ubuntu 18.04) I successfully got both of them installed and running, but to switch between them, I have to use the device's boot selector instead of Ubuntu's convenient grub interface. It does show, but not on boot-up. See the image below for the exact boot order.
(Click image to enlarge)
No matter what I do, I can't get it to show grub on boot-up. I've tried changing the EFI within Ubuntu (it resets after restart), changing within Windows (no option), changing from BIOS (no option), reinstalling grub like 3 times (no effect) and everything else. Can someone please help me get grub to show on first startup?
Here is the output of sudo parted -l :
Model: ATA ST750LM022 HN-M7 (scsi)
Disk /dev/sda: 750GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 524MB 523MB ntfs Basic data partition hidden, diag
2 524MB 629MB 105MB fat32 EFI system partition boot, esp
3 629MB 646MB 16.8MB Microsoft reserved partition msftres
4 646MB 393GB 393GB ntfs Basic data partition msftdata
5 393GB 744GB 351GB ext4
6 744GB 750GB 6328MB linux-swap(v1)
I checked, both Windows 10 and Ubuntu 18.04 are in UEFI.
boot dual-boot grub2 uefi windows-10
edited May 29 at 18:06
karel
49.6k11105126
asked May 29 at 3:05
Hexbugman213
62
I recently, for fun, tried to take an old computer, format it, and install a dual OS (Windows 10 Home and Ubuntu 18.04) I successfully got both of them installed and running, but to switch between them, I have to use the device's boot selector instead of Ubuntu's convenient grub interface. It does show, but not on boot-up. See the image below for the exact boot order.
(Click image to enlarge)
No matter what I do, I can't get it to show grub on boot-up. I've tried changing the EFI within Ubuntu (it resets after restart), changing within Windows (no option), changing from BIOS (no option), reinstalling grub like 3 times (no effect) and everything else. Can someone please help me get grub to show on first startup?
Here is the output of sudo parted -l :
Model: ATA ST750LM022 HN-M7 (scsi)
Disk /dev/sda: 750GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 524MB 523MB ntfs Basic data partition hidden, diag
2 524MB 629MB 105MB fat32 EFI system partition boot, esp
3 629MB 646MB 16.8MB Microsoft reserved partition msftres
4 646MB 393GB 393GB ntfs Basic data partition msftdata
5 393GB 744GB 351GB ext4
6 744GB 750GB 6328MB linux-swap(v1)
I checked, both Windows 10 and Ubuntu 18.04 are in UEFI.
boot dual-boot grub2 uefi windows-10
edited May 29 at 18:06
karel
49.6k11105126
asked May 29 at 3:05
Hexbugman213
62
edited May 29 at 18:06
karel
49.6k11105126
edited May 29 at 18:06
karel
49.6k11105126
edited May 29 at 18:06
karel
49.6k11105126
49.6k11105126
asked May 29 at 3:05
Hexbugman213
62
asked May 29 at 3:05
Hexbugman213
62
asked May 29 at 3:05
Hexbugman213
62
62
1
Are both installed in same boot mode, or both UEFI? And is Windows fast start up off, so grub2's os-prober can see the Windows install? then all you should need issudo update-gruband then when grub has both entries it will automatically show. askubuntu.com/questions/843153/… If not post this link to details: help.ubuntu.com/community/Boot-Info
– oldfred
May 29 at 3:27
I did turn off fast boot. I forgot to mention it, but I tried everything I physically could. I'll try that command tomorrow, I need sleep.
– Hexbugman213
May 29 at 6:47
I think you need to also disable hibernate, then re-enable ubuntu as the default uefi boot. Otherwise when windows tries to hibernate, it will change the uefi settings.
– pim
May 29 at 14:19
Please boot into Ubuntu and edit your post with the output ofsudo parted -l
– Elder Geek
May 29 at 15:15
pim, When i disabled hibernate it didn't even give me an option for fast boot, so i assumed it was disabled automatically.
– Hexbugman213
May 29 at 16:17
 |Â
show 1 more comment
1
Are both installed in same boot mode, or both UEFI? And is Windows fast start up off, so grub2's os-prober can see the Windows install? then all you should need issudo update-gruband then when grub has both entries it will automatically show. askubuntu.com/questions/843153/… If not post this link to details: help.ubuntu.com/community/Boot-Info
– oldfred
May 29 at 3:27
I did turn off fast boot. I forgot to mention it, but I tried everything I physically could. I'll try that command tomorrow, I need sleep.
– Hexbugman213
May 29 at 6:47
I think you need to also disable hibernate, then re-enable ubuntu as the default uefi boot. Otherwise when windows tries to hibernate, it will change the uefi settings.
– pim
May 29 at 14:19
Please boot into Ubuntu and edit your post with the output ofsudo parted -l
– Elder Geek
May 29 at 15:15
pim, When i disabled hibernate it didn't even give me an option for fast boot, so i assumed it was disabled automatically.
– Hexbugman213
May 29 at 16:17
1
1
Are both installed in same boot mode, or both UEFI? And is Windows fast start up off, so grub2's os-prober can see the Windows install? then all you should need is
sudo update-grub and then when grub has both entries it will automatically show. askubuntu.com/questions/843153/… If not post this link to details: help.ubuntu.com/community/Boot-Info– oldfred
May 29 at 3:27
Are both installed in same boot mode, or both UEFI? And is Windows fast start up off, so grub2's os-prober can see the Windows install? then all you should need is
sudo update-grub and then when grub has both entries it will automatically show. askubuntu.com/questions/843153/… If not post this link to details: help.ubuntu.com/community/Boot-Info– oldfred
May 29 at 3:27
I did turn off fast boot. I forgot to mention it, but I tried everything I physically could. I'll try that command tomorrow, I need sleep.
– Hexbugman213
May 29 at 6:47
I did turn off fast boot. I forgot to mention it, but I tried everything I physically could. I'll try that command tomorrow, I need sleep.
– Hexbugman213
May 29 at 6:47
I think you need to also disable hibernate, then re-enable ubuntu as the default uefi boot. Otherwise when windows tries to hibernate, it will change the uefi settings.
– pim
May 29 at 14:19
I think you need to also disable hibernate, then re-enable ubuntu as the default uefi boot. Otherwise when windows tries to hibernate, it will change the uefi settings.
– pim
May 29 at 14:19
Please boot into Ubuntu and edit your post with the output of
sudo parted -l– Elder Geek
May 29 at 15:15
Please boot into Ubuntu and edit your post with the output of
sudo parted -l– Elder Geek
May 29 at 15:15
pim, When i disabled hibernate it didn't even give me an option for fast boot, so i assumed it was disabled automatically.
– Hexbugman213
May 29 at 16:17
pim, When i disabled hibernate it didn't even give me an option for fast boot, so i assumed it was disabled automatically.
– Hexbugman213
May 29 at 16:17
 |Â
show 1 more comment
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1
Are both installed in same boot mode, or both UEFI? And is Windows fast start up off, so grub2's os-prober can see the Windows install? then all you should need is
sudo update-gruband then when grub has both entries it will automatically show. askubuntu.com/questions/843153/… If not post this link to details: help.ubuntu.com/community/Boot-Info– oldfred
May 29 at 3:27
I did turn off fast boot. I forgot to mention it, but I tried everything I physically could. I'll try that command tomorrow, I need sleep.
– Hexbugman213
May 29 at 6:47
I think you need to also disable hibernate, then re-enable ubuntu as the default uefi boot. Otherwise when windows tries to hibernate, it will change the uefi settings.
– pim
May 29 at 14:19
Please boot into Ubuntu and edit your post with the output of
sudo parted -l– Elder Geek
May 29 at 15:15
pim, When i disabled hibernate it didn't even give me an option for fast boot, so i assumed it was disabled automatically.
– Hexbugman213
May 29 at 16:17