ThinkPad T440p U盘启动
BIOS
Security
Secure Boot -> Disabled
UEFI/Legacy Boot -> Both
UEFI/Legacy Boot Priority -> UEFI First
F10 -> YES 保存退出BIOS
BIOS
Security
Secure Boot -> Disabled
UEFI/Legacy Boot -> Both
UEFI/Legacy Boot Priority -> UEFI First
F10 -> YES 保存退出BIOS