When your remote control stops working, how many of us will opt for smacking it against the palm of your hand versus getting up off the couch and replacing the batteries?
And how many times will just smacking the remote actually fix the thing?!
There’s a reason for this, and it’s called “percussive maintenance.” Basically, it’s a theory that states you can often fix electronics just by giving them a quick smack.
Mack Blakely, executive director of the National Electronics Service Dealers Association, told Popular Science, “In the old days, devices had a lot of mechanical stuff in ’em, and you could jar something back in place. A solder connection might reconnect, but it probably wouldn’t be long before it would be acting up again.”
Percussive maintenance is, at best, a temporary fix unfortunately, and you do risk breaking your item if you smack it a little too hard.
Essentially, when a device is at the "I need to hit this to make it work" stage, it probably needs an actual professional fix, or new batteries.
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