i have a new acer laptop i installed all drivers and it shows that it is working fine, however when i press Fn+F3 nothing happ

[Reem89]

model is aspire es 15 and windows 7

 

[algorithmbreaker]

model is aspire es 15 and windows 7

Check if you have installed the necessary softwares required for Acer's Function + commands.

For eg:
Acer Launch Manager Software