Public bug reported:
I have spent a day remedying this situation and I still do not fully
understand what has gone on.
I have three hard discs:
sda - single partition - Windows Vista was installed on this and more
recently windows 7 release candidate. I use this infrequently to run
Xara Xtreme - the windows version is better than the linux version.
sdb -two partitions - Ubuntu Jaunty in an ext4 partition and a swap
partition
sdc - single fat 32 parttion for Data backup. This is a new disk and 1TB
is a fat32 partition and the rest (approx 500GB) was unused.
After installing Karmic alpha 4 on the unused part of Disk 3 (c) the
system refused to boot windows. After a lot of trial and error I
reinstalled Windows and Jaunty and removed Karmic and repaired the MBR
but for some reason Windows would not boot. Booting went to the Grub
Legacy menu and windows would not boot. Ubuntu booted without a problem.
I have discovered from Gparted that Windows 7 installs a second
partition (100MB) and boots from this. This partition was on the sdc
disc - disk three - Not the windows installation partition sda (drive c)
menu.lst had windows booting from hd(0,0) and this needed changing to
hd(1,1) to work although I had calculated it should be hd(2,1)
It is all working fine now. I wonder if Grub 2 can cope with windows 7
booting from a second partition?
** Affects: ubuntu
Importance: Undecided
Status: New
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Failure to boot Windows 7 after installing Karma
https://bugs.launchpad.net/bugs/414178
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