User`s manual

- 23 - Appendix
5. Appendix
5.1. How to Reflash the BIOS in MS-DOS Mode
1. Extract the downloaded Zip file to your hard disk(s) or floppy disk. This procedure assumes drive A.
2. Restart the computer in MS-DOS mode. (You may need a startup disk to restart the computer in
MS-DOS mode.)
3. Change the command prompt to A:\>.
4. To back up the current BIOS, at the A:\> prompt, type[BIOS flash utility name]
-s [BIOS file name] (example: gvf19 -s n470UD13I.F1) and press Enter.
5. To flash BIOS, at the A:\> prompt, type[BIOS flash utility name] -p
[BIOS file name] (example: gvf19 -p n470UD13I.F2) and press Enter.
6. Wait until it's done, then restart your computer.