我在联想笔记本电脑上安装了新的ubuntu 16.04裸机。我已经通过apt-get下载了virtualbox，并且正在浏览docker教程。我正在浏览docker-machine docs并遇到以下错误：
21:11:57-~ $ docker-machine create --driver=virtualbox vbox-test
Running pre-create checks...
Creating machine...
(vbox-test) Copying /home/zach/.docker/machine/cache/boot2docker.iso to /home/zach/.docker/machine/machines/vbox-test/boot2docker.iso...
(vbox-test) Creating VirtualBox VM...
(vbox-test) Creating SSH key...
(vbox-test) Starting the VM...
(vbox-test) Check network to re-create if needed...
Error creating machine: Error in driver during machine creation: Unable to start the VM: /usr/bin/VBoxManage startvm vbox-test --type headless failed:
VBoxManage: error: VT-x is disabled in the BIOS for all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLED)
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ConsoleWrap, interface IConsole
Details: 00:00:00.463735 Power up failed (vrc=VERR_VMX_MSR_ALL_VMX_DISABLED, rc=NS_ERROR_FAILURE (0X80004005))
我不知道从哪里开始。重新启动到BIOS，我终于能够启用名为＆＃34; Intel TXT＆＃34;这似乎与虚拟化有关，但大型友好菜单已经消失，错误仍然存在。