I tried Windows 8 Consumer Preview a couple months ago and it wiped out my partition table... or the boot information.
So now the machine cannot boot to anything at all. Is there Ubuntu tools or Linux tools that can fix all the partitions and make them boot again? (The partitions have Windows 7 and Vista on them. I run Ubuntu as a VM on Win 7). I tried another tool running on Vista and was able to see the Win 7 partition, except that tool wiped out the Vista boot info later on.
update: per @mlt's request, this is what
fdisk -l says;
ubuntu@ubuntu:~$ sudo fdisk -l /dev/sda
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 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: 0x1aca8ea5
Device Boot Start End Blocks Id System
/dev/sda1 284993226 350602558 32804666+ 7 HPFS/NTFS/exFAT