This will allow you to gain access to your macbook Step 1 of 6 Power on your iBook and press the "Command" and "S" keys at the same time as the computer boots. Cease holding the two buttons when you see a black computer screen appear with white text. Step 2 of 6 Type "-uw/" and press "Enter." This will allow you to make changes to the hard drive. Step 3 of 6 Type "Systemstarter" and press "Enter" to run "NetInfo" (this allows you to make changes to the user accounts on your iBook). A vast amount of messages will begin appearing on your screen. When you see the message "System started" appear, hit "Enter" to display a command prompt. Step 4 of 6 Type "niutil -list . /users" and press "Enter." A list of the user accounts on your iBook will now appear. Step 5 of 6 Find the name of the account you are wanting to use (most likely the administrator account) and type "passwd user --" (replace "user" with the name of the account you will be using). The command prompt will tell you twice that you are changing the...