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I have SSD disc with this partition:
sda1 - 100MB partition for win MBR
sda2 - 35GB NTFS partition for win7
sda5 - 25GB EXT4 for ROOT (/)
In BIOS I have legacy (not UEFI) bios selected.
First I install win7, when it was done I installed Ubuntu to sda5 with GRUB2 on sda5.
After install win7 booted. With EasyBCD soft I added new boot option to MBR (GRUB2 on sda5).
But when I restart PC and select Ubuntu, it just boots into grub4dos command prompt.
There I can manually boot to Ubuntu by command:
root (hd0,4)
kernel /vmlinuz root=/dev/sda5
initrd /initrd.img
boot
But Im still not able to locate GRUB2.
Dont you know where is the problem?
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un1versal
Out of Memory (1939–2016)
Posts: 7,135
2013-03-31, 16:37
(This post was last modified: 2013-03-31, 16:39 by un1versal.)
You want to install grub into root or /dev/sda when your installing Ubuntu its asks you thats where you install grub, make a full backup before you mess with any partitions.
uNi
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I want to have GRUB on linux partition (sda5), because its not recommended to have it on MBR.
My idea is that when I start PC bootloader from MBR start. There, I select Win7 or Ubuntu and when I select Ubuntu, I run GRUB2.
Or is possible to launch directly GRUB2, that is not saved on MBR, and here I will be able to select WIN or Ubuntu?
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un1versal
Out of Memory (1939–2016)
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I been running dual boots for over 14 years and never did I installed grub to any other than /dev/sda
You do whatever you want I suppose.
uNi
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And what partition do name /dev/sda? it is /dev/sda1 with Linux partition? Is this partition with GRUB root or boot type?
All I written above is /dev/sda5
My problem is, I allready have installed Win on first partition (/dev/sda1) and I want to add linux to next partition.
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un1versal
Out of Memory (1939–2016)
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2013-03-31, 19:21
(This post was last modified: 2013-03-31, 19:24 by un1versal.)
This is not about where you install Linux, you can install Linux wherever you want, grub MUST be installed to /dev/sda or whatever the ROOT is of the drive which bios is booting from. If this is dev/sda1 then its dev/sda1 it varies.
see
https://help.ubuntu.com/community/WindowsDualBoot like I already tried to explain its goes in same partition as MBR or the ROOT of drive whichever it happens to be as the path varies from config to config.
uNi
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Thanks, I finally create dev/sda4 as boot with GRUB2 and dev/sda5 with root.
Now after reboot, I see Windows boot manager, there I select Ubuntu and it launched GRUB2.
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un1versal
Out of Memory (1939–2016)
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Your obviously doing dual boot the way nobody does it. But if it works, Im glad your sorted.
uNi
