imp...!grub error 23 how to overcome
 

some thing happedned to the hardisk ..when i boot grub error 23 appears....i tried to recover grub by bootable cd but it said there is no linux partiton on the harddisk......
using commmand df or fdisk -l nothing is whon...
error appears ...the harddisk dont have a valid allocation table?????
wt to do not other than reformatting and instalation