What should I do if the LCD of ASUS A46CM series has no display?

The solution for ASUS A46CM series LCD no display is as follows:

ASUS A46E3317CM-SL

1. Can you hear the system loading sound after turning on the machine

(1) Can you hear the system loading sound? Press FN+F7 to try turning on the backlight to see if this can solve the problem.

 (2) Cannot hear the system loading sound-->Contact ASUS Service Center for testing.