I know it's a stupid thing what I have done : In a Linux Virtual machine I did dd if=/dev/zero of=/dev/sdb bs=512 count1 to my external hard disk containing windows
Now I Cannot detect the external Hard drive in my windows machine. I thing the MBR Partition is gone
What to do now ? any way to resotre my data on the external Hard disk ?
You should be able to fix this from Linux, using the boot-repair tool:
More information is on the link given, and is too long to include all here.
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