please help me

Hi

I am finding some kind of problem i dont know why its raising everytime. My problem is
when i switch on my CPU
i usully get Ambios setting is wrong
and press F1 for help and if i press F1 i get into blue screen thats setting screen
where every time i need to change PCI/Plug and playsetup
every time it changes into AG.. i need to change everytime to PCI
and i need to set up date and time
why i am finding these kind of problems
and please guide me how to come out of this problem

Regards
vinanthi