You didn't enter your password.
You didn't enter your password.
You can try resetting your password through the system settings or recovery options. If that doesn’t work, you may need to reinstall Kubuntu to regain access.
Not securing your hard drive means you can likely restore the operating system without losing your data.
Restart your machine and keep Shift pressed during startup to access the GRUB options. Emphasize your screen and press E to make changes. Locate the section labeled "linux" and add the line with rw init=/bin/bash at the end. Use Ctrl + X to initiate boot. Enter the password for username. Configure your credentials as needed. For further guidance, refer to: http://askubuntu.com/questions/24006/how...e-password