no displays are currently connected to amd product Laptop

hi i installed lastest version of driver and i connected another display to my laptop (HP 450 G1 vga : 8750m) with DVI ( blue port   )

and in crimson panel in displays tab i see this error "no displays are currently connected to amd product"

but it's connected

i wanna extend games but no eyefinity option exist and dsiplay tab not working

screen filters too

how to fix it?