I installed ubuntu as a dual boot system with Windows 7. I was on my user account earlier today and I changed the password. I shut down the computer and tried to re-login but I totally forgot the new password. I found a helpful tutorial: https://help.ubuntu.com/11.04/ubuntu-help/user-forgottenpassword.html
However, I am struggling to find the grub menu. When the computer starts up, I have two options Windows 7 or Ubuntu. I enter Ubuntu and a black screen appears for a quick second and then a purple loading screen starts. After about 20 seconds, it fades and another black screen appears with lines of code. I tried pressing down on SHIFT or pressing ESC. However, each time, it just goes to the Ubuntu login screen. What can I do to bring up the Grub menu?