Install Ubuntu 18 in Thinkpad X1 Carbon (Dual boot)
1.Download the Ubuntu 18.04.01 (About 1Gb). 2.Burn the Ubuntu 18 to a DVD (Use the outsite DVD-ROM). 3.Enter to BIOS, a. Disable Secure Boot b. Enable Thunderbolt Save and Exit 4.[BitLocker recovery keys] should be used when restarted Computer by disabling secure boot. The key can be found in [https://account.microsoft.com/devices/] by using Microsoft Account 5.Enter to BIOS, make [boot from DVD-ROM] is prior to [Windows Boot Manager], Save and Exit. 6.Reboot the System. Start from DVD-ROM. 7.Install Ubuntu 18. 8.Do not connect to the Wifi, because the intel wireless LAN Adapter 7260 driver is wrong. 9.Installation type: Select [Something else] Make a partition, my partition is /boot : 1Gb,logical,ext4 / : 70Gb,logical,ext4 swap : 20Gb,logical,swap (SQRT(16) + 16 = 20G memory：16G) /home : 52Gb,logical,ext4 10.Create the User id and password. 11.Install. ----------------------------------------------- 12.Reboot the computer, MBR becomes Ubuntu 18. 13.If you want to enter Windows 10, the