Reset Switch Long Head

A button or switch on many computers that allows you to reset the computer. When you press the reset button, the computer will enter its start-up procedure as if you had turned the power off and then on again. Pressing the reset button performs a cold reboot

In electronics and technology, a reset button is a button that can reset a device. On video game conoles.The reset button restarts the game, losing the player's unsaved progress. On personal computers, the reset button clears the memory and reboots the machine forcibly. Reset buttons are found on circuit breakers  to reset the circuit. This button can cause data corruption which is why it often doesn't exist on many machines. Usually, in computers and other electronic devices, it is present as a small button, possibly recessed into the case or only accessible by a pin or similarly thin object, to prevent it being pressed accidentally.