I cannot enter my bios

[blitzkiller48]

so when i booted up my computer i noticed that my ram wasnt running full speed so i decided to leave it like that and then fix it but now when i try to enter the bios on my asus p8 z77 v pro i press the del key and nothing happens idk if its my keyboard. i havent try other keyboards.

 

[smorizio]

so when i booted up my computer i noticed that my ram wasnt running full speed so i decided to leave it like that and then fix it but now when i try to enter the bios on my asus p8 z77 v pro i press the del key and nothing happens idk if its my keyboard. i havent try other keyboards.

make sure keyboard on the usb 2.0 port..smash the del key at post..on some monitors/video the video is slower then the mb post.