I remember there was an incident with one of the Apollo missions when the astronaut couldn't get the camera working on the moon. He tried everything and finally, in exasperation, hit it with a hammer. The camera started working.

Here's another example of how the low-tech method of one swift kick (or head butt) can work wonders.

Well-placed head butt restores vet's sight lost in WWII blast - New York Daily News