Computer beeps every time keys are pressed due to full keyboard buffer.
Cause:
The computer beeps because the keyboard buffer of 20 characters is full.
Solution:
Attempt to save all work and close all applications, or reboot the computer.
Try one of the following in sequence, until the computer becomes unfrozen:
1) Press ESC to unfreeze the application.
2) Press CTRL+BREAK to unfreeze the application.
3) Press CTRL+C to unfreeze the application.
4) Press CTRL+ALT+DEL to reboot the computer.
5) Press the 'RESET' button on the computer.
NOTE: Not all computers have a 'RESET' button.
6) Turn off the computer, wait 15 seconds, and turn the computer on again.