Title sums it up.
I noticed a link in Chastity's thread about a fix for backlight not working. Shot her a PM on notebook forums, but just in case I can expedite the solution I thought I'd post here.
Anyway, the fix specifically states in the filename that it was meant for G73JH I believe. I did not want to run the program just in case. If anyone knows a definitive fix, please let me know. Thanks!
Edit: Quick as ever, problem has been fixed. I just needed to FN + F4... heh... heh. Thanks Chastity.