Wazzup mans, i need us..

Well, i burn bios P04 into a blank CD to update bios, right i load bios default and set CD frist boot, and turn on computer, i boot from cd and start update bios.. after update i remove cd i press F1 and reboot

i load default bios again and start windows.. but bios not updated...

what i do wrong?

May you help me?

Thank you.