Cant get into bios setup.Everything is connected ok i think but when i see message "press f1 to enter bios setup" i press f1 on my keyboard but it doesnt work. Bios also shows that i have 2 keyboards but i have only one.ctrl slt del works though... help me pls. Thanks

Start by disconnecting every pice of hardware that is not necessary to enter the BIOS/EFI.
Usually, it helps mashing the correct key right after power on.

Tried , no help. Still counts my keybouard as 2 of them, ctrlaltdel works. F1 doesnt

or F10

Try using PS2 keyboard, not USB.

Straight from the Manual:

"...press <Delete> during the Power-On Self Test (POST)..."

Use a simple keyboard. I had this issue with my Gigabyte Mobo. It wasn't activating the keyboard until Windows was starting because the driver wouldn't load. I had to get a simple dell keyboard that would be recognized and loaded by the BIOS in POST.

Doesnt work

Solved now.Thanks to all.You are all great guys thanks