Compaq 6910p brightness problem-solved

Problem: Unable to increase screen brighness on laptop HP Compaq 6910p. Operating system Windows XP.

Cause : In XP, Ctrl & [Fn] button is mixed-up. Left Ctrl is actually [Fn] button.

Solution : To increase screen brightness, press Left Ctrl + [F10]. Press many times until screen brightness indicator appear on screen.

Please thank me in comment box. This way I know that I've helped people.
Thanks - Ray Rosli Abas, Malaysia