I've searched and searched through these forums and still cannot figure out what to do.
I had Windows 7 (not sure whether it's 32 or 64 bit as this is a company computer) installed on my computer. When booting into Windows, there were, I believe, already 5 partitions:
- A 300 meg SYSTEM partition
- A 220 gig Windows partition
- An unallocated x gig partition for installation of linux.
- A 15 gig (yes you read that correctly) "repair" partition by the friendly people at HP.
- Another 2 gig partition allowing me to access my BIOS from within Windows (why I would want to do this I have no idea)
Now, I was interested in installing Ubuntu Linux 10.10 32-bit on the 3rd partition, so I rebooted using the live cd and prepared that partition for install. However, Linux couldn't really see the 4th and 5th partitions, so I decided (probably stupidly) to just install it into the "unknown partition" of size X+17 gigs. This may have been the source of the subsequent problem.
On reboot, I was prompted with a typical GRUB setup, though strangely there were two options to boot windows (on /sda2 and /sda3). These probably correspond to the SYSTEM and the actual bootable windows 7 partition. Nonetheless, both options fail with a 0xC0000225 BSOD. I cannot start windows in safe mode or recovery mode or any of those things.
What I've tried:
- I've read some of these forums and noticed that I can use a generic Windows 7 recovery disk (hosted at neosmart.net). I downloaded and tried both the 32 and 64 bit versions to no avail. In both situations they cannot see my C: drive. For example, if I go into the command prompt and type C:, it says something like "no drive mounted with that letter".
- Upon going to linux, everything is fine. I can see my hard drive and its contents fine if I mount /sda3.
- I've tried "checking the disk" on the linux side in gparted - no problem.
- I've tried looking for whether ACPI is enabled on the BIOS - this was likely an act of desperation...
The only assumption I can make is that some sort of active flag has been removed from my C: drive causing it to be unknown to Windows and known to Ubuntu...?
Thanks in advance.