1. Download and decompress and change the file name.

2. Download the bios corresponding to the personal motherboard, decompress it and put it in the root directory of drive C..

3. Press F4 after restarting the computer.

4. Select the bios file to start brushing, and then automatically shut down after brushing.

5. Note: During the upgrade process, the power supply cannot be cut off. Don't use winflash to brush the bios in the system, which is easy to cause problems and difficult to solve.