Hey queenie9304 thank u very much!!
the "SG" option in BIOS is still unavailable to me but like u said it detected the gpu automatically.
I replugged the hardware many times till it finally recognized the gpu.
now it works fine!
I don't know why but in my case it seems like the pico powersupply don't turn on everytime I plug it in...
(yes the atx plug is jumped on)
sometimes i have to unplug and plug it in again about 3 times to get it work right.
Always check ur connections
sorry for my bad english.
Greetings and thank u again!