Install Ubuntu 18 in Thinkpad X1 Carbon (Dual boot)

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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.

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12.Reboot the computer, MBR becomes Ubuntu 18.
13.If you want to enter Windows 10, the [BitLocker recovery keys] should be entered again.
15.Reboot the computer. You can enter the Ubuntu 18, by Ubuntu Grub.
16.Use “apt-get update” to update the driver and software.
17.Install software.

Now the Computer does not have any problem. The problem of Intel wireless LAN Adapter 2760 driver did not happen on my computer(my computer is use that wireless LAN Adapter)

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