1. Please download the latest BIOS version from GBT website. 2. Before start the procedure below, please confirmed the power supply is connected with PC. 3. Put the BIOS file which download from webstie into booting floppy disc or booting CD ROM (USB FDD.USB Flash Disk) Power on the PC and enter the DOS mode. In the DOS command prompt, type in the following command: A:\Phlash16 XXX.ROM (The program will automatically update the BIOS).