BlackChaos

Hi Guys i have a serious problem, 3 days ago i turn on my pc and w8ted till the login screen came up so i tried 2 log in but for some reason my keyboard and mouse didnt wanna movie so i wasnt able 2 log in so i turned the pc off and checked that the usb cables were plugged in and they were but i remved them and plugged it back just in case so i turn my pc back on but it still doesnt work, so i restart my pc and the weird thing is that i can use the keyboard 2 go to bios and stuff so i went 2 safemode but the keyboard and mouse still didnt work and so now i dont know wat to do some 1 please hlp me.