[cnb]

Hi
My op is windows 7,when i switch on my pc i get:
639 system ram passed
1013m extended ram passed
2048 cache sram passed
system bios shadowed
video bios shadowed
atapi cd-rom: hl-dt-stdvd-ram gh60n
fixed disk 0: wdc wd1600aajs-60z0a0
mouse initialized
error 0162 configuration error-default configuration used
error 0197 system security-unauthorizrd cmos change detected
press fi for setup

I have tried pulling sockets out and back,now when i press f1 i get prompted for a password which didnt happen before and i dont have one ,when i press enter and accept i get to the setup utility but when i try to use the function keys they do not work they give a beeping sound.will appreciate help