Re: Ubuntu 12.04 installation failing grub install RAID 0
The bootinfo doesn't show any linux partitions. If the install finished, even if it failed installing grub, there should be linux partitions on the array.
Also, double check whether uefi boot is enabled in the bios or not (if there is option for uefi). You don't seem to use uefi so it's better to disable it in bios in case it has the option.
Double check that win7 boots fine after that.
I would try installing again with the alternate cd and this time select manual partitioning (not automated), and take a look at which partitions are shown as existing on the array. Whether there are linux partitions too, or onlt the two ntfs partitions.
Darko.
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Ubuntu 18.04 LTS 64bit
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