>If you ran fdisk /mbr then grub needs to be >restarted. In this case, just editing the >grub.conf isn't enough. >Open a terminal window >At the prompt type: grub >In the grub utility, type: >root (hd1,1) >You need to know what partition you have >the "/" on. In this example, it's drive 2, >partition 2. >At the prompt type: >setup (hd0) >In this example, that is using the MBR >At the prompt type: quit i did that...then got the following error... starting grub... error 21. i am not sure what this means...i get no other errors in re-setting it up... is there anyway to use the boot.ini in windows to select between linux? thanks! still need some help on this please

Hope this helps... from the GNU GRUB manual: 21 : Selected disk does not exist This error is returned if the device part of a device- or full file name refers to a disk or BIOS device that is not present or not recognized by the BIOS in the system. (www.gnu.org/manual/grub/grub.html)

i have windows and redhat linux 7.2 dual boot previously its working fine . after reinstallation of windows at startup dual boot options is not coming but partition is there and boot from bootable of linux is working fine so can u help me out where i have to define path for dual booting thanks and regard arvind k