When CentOS6.5 is installed, the system prompts "sda must have a GPT disk label"

When CentOS6.5 is installed, the system prompts "sda must have a GPT disk label"

I encountered two problems in installing CentOS6.5 on thinkpad t430u today.

1> when centos6.5 is installed on a USB flash drive, the following error message is displayed: ACPI: BIOS _ OSI (Linux) query ignored.

2> after the partition is complete, When you click "Next", the system prompts that the sda must have a GPT disk label and cannot continue the installation.

Question 1

The solution is as follows:

Press F1 to go To the BIOS settings page, select Security, open the Secure Boot option, select Enabled, and press F10 to save the settings. After restart, you can install it.

Question 2:

The solution is as follows:

Step 1:

Note: If you can, first clear the current hard disk and install it.

Before entering the graphic installation interface

Press Ctrl + Alt + F2 to go to the command line and create a gpt

Perform the following operations:

Input:

1> parted

2> mklabel gpt/dev/sda

3> Yes

4> print/dev/sda

Press Ctrl + Alt + F6 to return to the installation page and continue the installation.