Hard Drive Optical Drive Access Indicator

22 - Status Indicator Panel
 Hard Drive/Optical Drive Access Indicator
The Hard Drive/Optical Drive Access indicator glows green when your internal hard drive is being 
accessed. Note that flickering is normal.
 NumLk Indicator
The NumLk indicator states that the integral keyboard is set in ten-key numeric keypad mode. 
 CapsLock Indicator
The CapsLock indicator states that your keyboard is set to type in all capital letters. 
 ScrLk Indicator
The ScrLk indicator states that your scroll lock is active.