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Flashing the BIOS
Dell™Inspiron™6400/E1505ServiceManual
1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.
2. Insert the BIOS update program CD, and turn on the computer.
Follow the instructions that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the
computer will automatically reboot.
3. Press <F2> during POST to enter the system setup program.
4. Press <Alt> and <f> to reset the computer defaults.
5. Press <Esc>, select Save changes and reboot, and press <Enter> to save configuration changes.
6. Remove the flash BIOS update program CD from the drive and restart the computer.
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NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage.
NOTE: If you use a BIOS update program CD to flash the BIOS, press <F12> before inserting the CD so that you can set up the computer to boot from a
CD this one time only. Otherwise, you must enter the system setup program to change the default boot order.
NOTICE: Do not interrupt this process once it begins. Doing so may cause system damage.