usb bootable flag not cleared by gparted but cleared by Windows
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0
Model: Lexar USB Flash Drive (scsi)
Disk /dev/sdb: 64.0GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 64.0GB 64.0GB primary ext4
With this disk inserted the system cannot boot because it is not a system disk but is being picked up by the boot.
I tried to reset the boot flag clearing the flag column in gparted 0.32.0 but after applying the change, the system still picked it up as a bootable drive.
I deleted the partition and re-wrote it. No difference.
I eventually managed to clear the boot flag by formatting in Windows 10.
There must be a way of doing this in Ubuntu. Is there a menu item in gparted that forces this? Or is there another utility I could have used?
usb fdisk parted
asked Mar 20 at 22:19
Stephen BostonStephen Boston
8522720
|
show 1 more comment
0
Model: Lexar USB Flash Drive (scsi)
Disk /dev/sdb: 64.0GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 64.0GB 64.0GB primary ext4
With this disk inserted the system cannot boot because it is not a system disk but is being picked up by the boot.
I tried to reset the boot flag clearing the flag column in gparted 0.32.0 but after applying the change, the system still picked it up as a bootable drive.
I deleted the partition and re-wrote it. No difference.
I eventually managed to clear the boot flag by formatting in Windows 10.
There must be a way of doing this in Ubuntu. Is there a menu item in gparted that forces this? Or is there another utility I could have used?
usb fdisk parted
asked Mar 20 at 22:19
Stephen BostonStephen Boston
8522720
Take a look at askubuntu.com/questions/131168/how-do-i-uninstall-grub/… , I think this answers your question.
– mook765
2 days ago
@mook765 I see how that is applicable here, but I'm looking for a Unix utility that will perform a low level format as the Windows format does. Grub, as far as I know, is a logical partition (or some such segment) of the physical storage medium. A low-level format will overwrite any such logical partitioning. I should not have to go to Windows for this, and I'm sure I don't. So what utility in Unix will perform this essential operation. ElStellino says he will wipe the drive totally... That's what I had to go to windows for. There has to be another way.
– Stephen Boston
2 days ago
This has nothing to do with formatting partitions and it has nothing to do with the boot flag of a partition. You may delete all partitions, if there is still a boot-loader in the MBR, the BIOS will see it.
– mook765
yesterday
@mook765 My understanding, perhaps incorrect, is that the MBR is a section of data on the first sector of the drive and so that should be erased during a full format. How do I format the drive so that this MBR is erased?
– Stephen Boston
yesterday
The MBR is not erased when you format a partition, you would lose all partitions if you erase the whole MBR. How to erase only the boot-loader from the MBR is explained in the answers to the linked question.
– mook765
yesterday
|
show 1 more comment
0
0
0
Model: Lexar USB Flash Drive (scsi)
Disk /dev/sdb: 64.0GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 64.0GB 64.0GB primary ext4
With this disk inserted the system cannot boot because it is not a system disk but is being picked up by the boot.
I tried to reset the boot flag clearing the flag column in gparted 0.32.0 but after applying the change, the system still picked it up as a bootable drive.
I deleted the partition and re-wrote it. No difference.
I eventually managed to clear the boot flag by formatting in Windows 10.
There must be a way of doing this in Ubuntu. Is there a menu item in gparted that forces this? Or is there another utility I could have used?
usb fdisk parted
asked Mar 20 at 22:19
Stephen BostonStephen Boston
8522720
Model: Lexar USB Flash Drive (scsi)
Disk /dev/sdb: 64.0GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 64.0GB 64.0GB primary ext4
With this disk inserted the system cannot boot because it is not a system disk but is being picked up by the boot.
I tried to reset the boot flag clearing the flag column in gparted 0.32.0 but after applying the change, the system still picked it up as a bootable drive.
I deleted the partition and re-wrote it. No difference.
I eventually managed to clear the boot flag by formatting in Windows 10.
There must be a way of doing this in Ubuntu. Is there a menu item in gparted that forces this? Or is there another utility I could have used?
usb fdisk parted
usb fdisk parted
asked Mar 20 at 22:19
Stephen BostonStephen Boston
8522720
asked Mar 20 at 22:19
Stephen BostonStephen Boston
8522720
edited 2 days ago
Stephen Boston
asked Mar 20 at 22:19
Stephen BostonStephen Boston
8522720
asked Mar 20 at 22:19
Stephen BostonStephen Boston
8522720
asked Mar 20 at 22:19
Stephen BostonStephen Boston
8522720
8522720
Take a look at askubuntu.com/questions/131168/how-do-i-uninstall-grub/… , I think this answers your question.
– mook765
2 days ago
@mook765 I see how that is applicable here, but I'm looking for a Unix utility that will perform a low level format as the Windows format does. Grub, as far as I know, is a logical partition (or some such segment) of the physical storage medium. A low-level format will overwrite any such logical partitioning. I should not have to go to Windows for this, and I'm sure I don't. So what utility in Unix will perform this essential operation. ElStellino says he will wipe the drive totally... That's what I had to go to windows for. There has to be another way.
– Stephen Boston
2 days ago
This has nothing to do with formatting partitions and it has nothing to do with the boot flag of a partition. You may delete all partitions, if there is still a boot-loader in the MBR, the BIOS will see it.
– mook765
yesterday
@mook765 My understanding, perhaps incorrect, is that the MBR is a section of data on the first sector of the drive and so that should be erased during a full format. How do I format the drive so that this MBR is erased?
– Stephen Boston
yesterday
The MBR is not erased when you format a partition, you would lose all partitions if you erase the whole MBR. How to erase only the boot-loader from the MBR is explained in the answers to the linked question.
– mook765
yesterday
|
show 1 more comment
Take a look at askubuntu.com/questions/131168/how-do-i-uninstall-grub/… , I think this answers your question.
– mook765
2 days ago
@mook765 I see how that is applicable here, but I'm looking for a Unix utility that will perform a low level format as the Windows format does. Grub, as far as I know, is a logical partition (or some such segment) of the physical storage medium. A low-level format will overwrite any such logical partitioning. I should not have to go to Windows for this, and I'm sure I don't. So what utility in Unix will perform this essential operation. ElStellino says he will wipe the drive totally... That's what I had to go to windows for. There has to be another way.
– Stephen Boston
2 days ago
This has nothing to do with formatting partitions and it has nothing to do with the boot flag of a partition. You may delete all partitions, if there is still a boot-loader in the MBR, the BIOS will see it.
– mook765
yesterday
@mook765 My understanding, perhaps incorrect, is that the MBR is a section of data on the first sector of the drive and so that should be erased during a full format. How do I format the drive so that this MBR is erased?
– Stephen Boston
yesterday
The MBR is not erased when you format a partition, you would lose all partitions if you erase the whole MBR. How to erase only the boot-loader from the MBR is explained in the answers to the linked question.
– mook765
yesterday
Take a look at askubuntu.com/questions/131168/how-do-i-uninstall-grub/… , I think this answers your question.
– mook765
2 days ago
Take a look at askubuntu.com/questions/131168/how-do-i-uninstall-grub/… , I think this answers your question.
– mook765
2 days ago
@mook765 I see how that is applicable here, but I'm looking for a Unix utility that will perform a low level format as the Windows format does. Grub, as far as I know, is a logical partition (or some such segment) of the physical storage medium. A low-level format will overwrite any such logical partitioning. I should not have to go to Windows for this, and I'm sure I don't. So what utility in Unix will perform this essential operation. ElStellino says he will wipe the drive totally... That's what I had to go to windows for. There has to be another way.
– Stephen Boston
2 days ago
@mook765 I see how that is applicable here, but I'm looking for a Unix utility that will perform a low level format as the Windows format does. Grub, as far as I know, is a logical partition (or some such segment) of the physical storage medium. A low-level format will overwrite any such logical partitioning. I should not have to go to Windows for this, and I'm sure I don't. So what utility in Unix will perform this essential operation. ElStellino says he will wipe the drive totally... That's what I had to go to windows for. There has to be another way.
– Stephen Boston
2 days ago
This has nothing to do with formatting partitions and it has nothing to do with the boot flag of a partition. You may delete all partitions, if there is still a boot-loader in the MBR, the BIOS will see it.
– mook765
yesterday
This has nothing to do with formatting partitions and it has nothing to do with the boot flag of a partition. You may delete all partitions, if there is still a boot-loader in the MBR, the BIOS will see it.
– mook765
yesterday
@mook765 My understanding, perhaps incorrect, is that the MBR is a section of data on the first sector of the drive and so that should be erased during a full format. How do I format the drive so that this MBR is erased?
– Stephen Boston
yesterday
@mook765 My understanding, perhaps incorrect, is that the MBR is a section of data on the first sector of the drive and so that should be erased during a full format. How do I format the drive so that this MBR is erased?
– Stephen Boston
yesterday
The MBR is not erased when you format a partition, you would lose all partitions if you erase the whole MBR. How to erase only the boot-loader from the MBR is explained in the answers to the linked question.
– mook765
yesterday
The MBR is not erased when you format a partition, you would lose all partitions if you erase the whole MBR. How to erase only the boot-loader from the MBR is explained in the answers to the linked question.
– mook765
yesterday
|
show 1 more comment
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Take a look at askubuntu.com/questions/131168/how-do-i-uninstall-grub/… , I think this answers your question.
– mook765
2 days ago
@mook765 I see how that is applicable here, but I'm looking for a Unix utility that will perform a low level format as the Windows format does. Grub, as far as I know, is a logical partition (or some such segment) of the physical storage medium. A low-level format will overwrite any such logical partitioning. I should not have to go to Windows for this, and I'm sure I don't. So what utility in Unix will perform this essential operation. ElStellino says he will wipe the drive totally... That's what I had to go to windows for. There has to be another way.
– Stephen Boston
2 days ago
This has nothing to do with formatting partitions and it has nothing to do with the boot flag of a partition. You may delete all partitions, if there is still a boot-loader in the MBR, the BIOS will see it.
– mook765
yesterday
@mook765 My understanding, perhaps incorrect, is that the MBR is a section of data on the first sector of the drive and so that should be erased during a full format. How do I format the drive so that this MBR is erased?
– Stephen Boston
yesterday
The MBR is not erased when you format a partition, you would lose all partitions if you erase the whole MBR. How to erase only the boot-loader from the MBR is explained in the answers to the linked question.
– mook765
yesterday