LG 16T90Q Series Easy Manual page 207

2
When the Password Setting screen appears, enter a password and press the [Enter] key.
The password should not exceed 32 characters and should consist of English letters (A - Z),
numbers (0 - 9), and special characters or a combination of them.
3
Enter the password once more and press the [Enter] key.
4
To save the changes in system setup, press [F10]. When a pop-up window appears, select [Yes]
and press the [Enter] key.
5
The PC will restart.
207
Setup and Upgrade