Editing Chatter (section)

==Defective switch==
All key switches with [[Keystroke_sensing#Conductive|conductive contacts]] exhibit [[contact bounce]] for a very short amount of time, each time a key is pressed.
This is normal, and is filtered out by a [[debouncing]] algorithm in the [[keyboard controller]].
However, key chatter will occur if a switch has become defective in a way that makes it exhibit contact bounce for a longer duration than intended.

Some makes of switches could have the occasional defective switch, and some types of switches are known to start chattering more easily than others,

It has also happened that internal parts have been damaged when an enthusiast has [[:Category:Keyboard_modding|modified]] switches in some way, e.g. [[lubrication|lubricated]] switch innards.

There are suggested methods for remedying key chatter in defective switches, including the use of compressed air, although they are not universally recommended. Elitekeyboards.com strongly advises against this practice in the Support section of their website; however, they currently do not supply any information about what might happen to the keyboard if such actions are attempted, nor a preferred alternative.<ref>Elitekeyboards.com - [http://elitekeyboards.com/support.php?lang=en#5 Support page with key chattering/bouncing description]</ref>

A sure solution is to replace the defective switch.