Dear Ubuntu users.
At work I just got af new HP ProBook with windows 10 on it.
Tried to delete the fourth primary patition that had som HP recovery tool with gparted. (only 2 GB), since there could only be 4 primary partitions.
Then I made an extended partition and within that, I made new primary partition. I then stopped and returned to windows just to see how that worked.
windows started up and worked. But returning to ubuntu, running from the usb drive by the way, all the partitions had become invisible from both gparted and the installer.
At the IT shop at the High school where I work they want me to use windows 10, so I cant just delete the w10 installation .
From the command below I found that something has gone wrong when making the extended partition.
I have tried to correct it from within Windows 10 in disk manegement, but the sda5 does not appear in it and so I can't remove it from either disk manegement in windows 10 or gparted.
I wonder how I can correct:
'Partition 5 does not start on physical sector boundary.' from below and make it start at on the physical sector boundary.
Best regards and hope someone has a good idear.
Rune Klarskov Jensen
ubuntu@ubuntu:~$ sudo fdisk -lu
Warning: ignoring extra data in partition table 5
Warning: ignoring extra data in partition table 5
Warning: ignoring extra data in partition table 5
Disk /dev/sda: 256.1 GB, 256060514304 bytes
255 heads, 63 sectors/track, 31130 cylinders, total 500118192 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk idenubuntu@ubuntu:~$ sudo fdisk -lu
Warning: ignoring extra data in partition table 5
Warning: ignoring extra data in partition table 5
Warning: ignoring extra data in partition table 5
Disk /dev/sda: 256.1 GB, 256060514304 bytes
255 heads, 63 sectors/track, 31130 cylinders, total 500118192 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x2e27a3f9
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 2101247 1049600 7 HPFS/NTFS/exFAT
/dev/sda2 2101248 455216482 226557617+ 7 HPFS/NTFS/exFAT
/dev/sda3 455217152 495912959 20347904 7 HPFS/NTFS/exFAT
/dev/sda4 495912960 500117503 2102272 5 Extended
/dev/sda5 ? 1274048868 2415558498 570754815+ 72 Unknown
Partition 5 does not start on physical sector boundary.
tifier: 0x2e27a3f9
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 2101247 1049600 7 HPFS/NTFS/exFAT
/dev/sda2 2101248 455216482 226557617+ 7 HPFS/NTFS/exFAT
/dev/sda3 455217152 495912959 20347904 7 HPFS/NTFS/exFAT
/dev/sda4 495912960 500117503 2102272 5 Extended
/dev/sda5 ? 1274048868 2415558498 570754815+ 72 Unknown
Partition 5 does not start on physical sector boundary.
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