how to install agian to original state

Please help me i m in trouble
What i did is i wiped out whole of the harddisk of my laptop hp p077TX recovery also i haven't made recovery cd's but i copied the recovery that is in harddisk earlier to other harddisk just the simple copy paste now i m left with no operating system system recovery (f 11) is not working so pls help me how can i get my system back to work

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