1. Boot, as shown (no virtual machine installed, phone shot pictures do this look put):
2. There will be an option at this point: Advanced options for Ubuntu, select Direct enter, such as:
3. See that there are many options in it, select the option with Recovery mode on the back (never enter!). ), press the letter E, for example:
4. The key time is up, the fourth line, you will see a line linux/boot/vm.......ro recovery \nomodeset,
Step 1: Remove recovery \nomodeset
Step 2: At the end of this line add quiet splash rw Init=/bin/bash
5. Press F10 to start.
6. If there is no accident you will enter the system, enter: passwd, the system will prompt you to enter a new password, the end.
And then through
CTRL+ALT+F1 Enter the administrator account and password
Finally, the password of the normal user is modified by root
ubuntun16.0 Login Password forgot