can anybody help me with grub installation?? here is an output from live cd * ubuntu@ubuntu:~$ sudo fdisk -l Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x58000000 Device Boot Start End Blocks Id System /dev/sda1 1 18243 146535873+ 5 Extended /dev/sda2 * 18244 30402 97654784 7 HPFS/NTFS /dev/sda5 1 9727 78124032 83 Linux /dev/sda6 9977 18243 66403328 7 HPFS/NTFS ubuntu@ubuntu:~$ * sda5 is my Ubuntu 10.10 sda6 is win7 sda2 too is win7 tried all the ways given out there in https://help.ubuntu.com/community/Grub2 Now I can just boot to windows from windows boot loaders which show the two available windows 7 while following the documentation everything went well but an error *cannot seek `/dev/sda'* showed everytime... ~chandan