You're going to think I am joking but I am not. Multiple people have sworn to me that this works for a common failure mode of HDD drives and I've literally never heard someone say they tried it and it failed. I've never tried it. Buyer beware. Don't blame me if you fuck up your drive / your computer it's connected to / anything else even worse by doing this:
Stick it in the freezer for a short while.
Take it out.
Boot it up.
If it works, get all the data off it as quick as you can.