grub error 22,after removing linux partitions only windows is threre.Pc not booting.i

hi,
in my pc linux and windows was there with 2 hdd in raid.i removed linux partititons.Now my ps is not booting giving grub error 22.Nothing works.I hace my data in windows.Hard disks are RAID.when tried to go to recovery mode from windoes boot cd,it says hard disk not detected.when tried with linux rescue cd using rescue mode,do fdisk -l,windows boots from
/dev/sda1 which is windows partition.other partitions are of also NTFS.when tried to do "grub-install /dev/sda" ,it says command not found.command is not there.I have also tried with "rootnoverify,chainloader +1,boot",it doen not do anythingh.Is tghis because of RAID?What should i do to boot my pc now?

I would use a live distro to examine the hard drive and see what's happening

there is one command u can run in rescue mode in winxp "fixmbr" .. try that ....