Can't get to BIOS

[Christos21]

Hi there! I am new here and I need some help regarding a new desktop I just bought.
MOBO is Gigabyte GA-970A-DS3P and GPU ASUS R7 260X connected with HDMI on TV.
I set up the desktop with win7x64 ultimate.
Problem is when the pc boots and I repeatedly press DEL button to get on the BIOS settings and I see nothing but BLACK on the screen and the mouse cursor which it can controlled through the mouse, though it boots up normally on windows. Any help?

note: I installed all drivers after I installed win on both MOBO and GPU

 

[mailpup]

Are you using a USB keyboard? See if you can find a PS/2 keyboard and try that.

 

[mike1959]

Are you sure that 'delete' key is the right one to access the BIOS?

 

[Christos21]

Problem solved, the problem was that I was using HDMI connection from the GPU. So I tried the VGA and I am now able to see the BIOS. Thank you anyway.