Looking for a solution

[gammercommunitybros]

I have runned a boot time scan on my pc and when it have restarted my computer the user password screen appers but the keyboard and the mouse doesnt work neither any usb port works but it work s fine in bios anyone help me i am using win 8.1 pro and a gigabyte gamming motherboard

 

[rocktalkrock]

What is the name of the Gigabyte motherboard?