联想E480重装系统卡 Windows Boot Manager
开机按F1进入Bios
进入 Security
进入 UEFI BIOS Update Option  
Flash BIOS Updating by End-Users  [Enabled]
Secure RollBack Prevention        [Disabled]
Windows UEFI Firmware Update      [Enabled]

进入   Memory Protection
Execution Prevention              [Disabled]

进入 Virtualization 打开电脑虚拟化
Intel (R) Virtualization Technolohy    [Enabled]
Intel (R) VT-d Feature                 [Enabled]

进入 Secure Boot 
Secure Boot                            [Disabled]
Platform Mode                          User Mode
Secure Boot Mode                       Standard Mode

Reset to Setup Mode                    [Enter]
Restore Factory Keys                   [Enter]
Clear All Secure Boot Keys             [Enter]

进入 Startup
Boot
Network Boot                        [PCI LAN]

UEFI/Legacy Boot                     [Both]
 - UEFI/Legacy Boot Priority         [UEFI First]
 - CSM Support                       [Yes]

Boot Mode                            [Quick]

Option key Display                   [Enabled]

Boot device List F12 Option          [Enabled]
Boot Order Lock                      [Disabled]