29. Insert the flash BIOS update program CD that accompanied the replacement system board assembly into the optical drive. Follow the instructions thatappear on the screen. See Flashing the BIOS for further information.To update the BIOS on the new system board with the computer Service Tag, press during POST to enter the system setup program. See Flashingthe BIOS.Back to Contents PageNOTE: If you use a BIOS update program CD to flash the BIOS, press before inserting the CD so that you can set up the computer to boot from aCD this one time only. Otherwise, you must enter the system setup program to change the default boot order.NOTE: The Service Tag is located in the battery compartment.