Enable toggle key

Toggle Keys option designed for those people who are typing while looking away from the screen or for those who are vision impairment.
When your system Toggle keys is turned on, you will get a special sound when special
keys are pressed like CAPS, NUM, SCROLL LOCK keys.
To enable or disable your system Toggle keys, go to Control Panel using Start
button. In your system Control Panel normally the first option will be Accessibility
options. Double click on Accessibility options and check the Toggle keys box,
Windows will automatically send you a special beeps when you will press locking
keys.