Hi Guys,

I am facing some problem,

how can i install Master Boot Record in my External HDD.

I try to install but i am unable to do that

i did like--- right click -->on the my computer-->
Manage-->
Storage-->
Disk management.

Under Disk management my External HDD Detected called
Disk1 ( Unknown), ( Not Installed)-->
Right Click on the Drive then Select Initialize Disk then MBR and then ok but i got some error message ( The Drive can not find the Sector Requested)

Finally i am unable to access my External hard drive..any body please help me regarding this, its very important for me. I am using Windows Vista Home Premium.

is there any software tools are available for ( Master Boot Record)..