联想B590BIOS

联想B 590 BIOS1. make sure AC and Battery is pluged in and Battery capacity is more than 30%. 2. run command line with administrator. 3. run winflash64.bat under command line. 4. When winflash finishes, the system will reboot automatically. Step [no check BTY/ADT] FPT_Win.bat 1. using Intel Tool up