Windows 7 Laptop Won't Boot After Fall: "Operating System Not Found" Error Help Needed

[kiya]

My laptop fell down from the couch which is not high. However, now my laptop isn't working when i switch it on it says "operating system not found" I can not do anything.
Please help!

 

[zvit]

Maybe it fell under the couch.... lol

I suggest to have it checked for hardware damages. It's hard to suggest software solutions when it might just be a loose cable that disconnected when it fell.

 

[TorrentG]

If it was on while it fell, the HDD is shot. Replace it.