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rated 0 times [  1] [ 0]  / answers: 1 / hits: 2477  / 3 Years ago, sat, september 11, 2021, 6:09:41

I recently bought an Asus Zenbook UX32A. Now I'm trying to dualboot it with XP and Ubuntu 13.04.



Both OS's seem to have installed correctly but I just can't boot into grub to let me choose wich OS I want to use. By default XP loads.



I've created separate partitions on my SSD and HDD.

I would like to share the ssd for both OS's but keep all the documents and stuff on the hdd, so I mounted /var and /home to the hdd. / is on the SSD



this is my fdisk output: 





WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.





Disk /dev/sda: 500.1 GB, 500107862016 bytes

255 heads, 63 sectors/track, 60801 cylinders, total 976773168 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: 0xc61722b1



   Device Boot      Start         End      Blocks   Id  System

/dev/sda2            2046   169228287    84613121    5  Extended

Partition 2 does not start on physical sector boundary.

/dev/sda4   *   169228288   322826239    76798976    7  HPFS/NTFS/exFAT

/dev/sda5            2048     7812594     3905273+  83  Linux

/dev/sda6         7815168    15626239     3905536   82  Linux swap / Solaris

/dev/sda7        15628288   169228287    76800000   83  Linux



WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.





Disk /dev/sdb: 32.0 GB, 32017047552 bytes

255 heads, 63 sectors/track, 3892 cylinders, total 62533296 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xfed1007e



   Device Boot      Start         End      Blocks   Id  System

/dev/sdb1            2048    30722047    15360000   83  Linux

/dev/sdb2   *    30722048    62529535    15903744    7  HPFS/NTFS/exFAT



Disk /dev/sdc: 8095 MB, 8095006720 bytes

255 heads, 63 sectors/track, 984 cylinders, total 15810560 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xefacefac


Here is my Boot Repair log



Might the failure to load GRUB 2 be linked to some EFI-thing?
All help will be truly appreciated, I'm actually stuck!


More From » dual-boot
 Answers
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I never trust automatical tools, like Boot Repair. This question is fine example of why do they not deserve my trust. I've seen many ways of how one can manually do the things that BR does. Steps you should perform:




  1. Boot from LiveCD/LiveUSB

  2. Launch Terminal: Ctrl+Alt+T

  3. Run:



    sudo su
    
mount /dev/sdb1 /mnt
    
grub-install --root-directory=/mnt /dev/sdb
    
for i in /sys /proc /run /dev; do mount --bind "$i" "/mnt$i"; done
    
chroot /mnt
    
update-grub
    
exit
    
umount /mnt/dev /mnt/proc /mnt/sys /mnt/run /mnt
    
exit

  4. Reboot, enter your BIOS and check that you boot from /dev/sdb



After that, your Ubuntu should start without problems.



Also you may refer to:




[#30237] Saturday, September 11, 2021, 3 Years  [reply] [flag answer]
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