My hard drive is busted. help?

Here is what Happened

I turned off the computer and switched the pins for my two hard drives so that the other one would be the master, then I booted the computer, but then for some reason the other one that I normally use became inaccessible, And the name which is normally Quantum Fireball LP (or similar ) is now a bunch of gibberish amd the computer won’t read it.
IS THERE ANY WAY I CAN SALVAGE THE DATA ON THIS HARD DRIVE ???