A Stuck CD in a MacBook (4 Steps)

Press and release 'Command' and 'Q' to exit out of any currently open applications.
Hold down the 'F12' or 'Eject' key to force the CD out of the optical drive. If the disc remains stuck, proceed to the following step.
Press the MacBook's power button and click 'Restart.'
Hold down the laptop's trackpad while the MacBook restarts to force the CD to eject.
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How to Unlock an Apple Mac Book Password

Locate the Mac OS X install disc your computer came with. If you don't have it, you may be able to get another one from Apple by calling (800) SOS-APPL. (You will most likely have to buy another one.) Insert the disc into the optical drive.
Restart the computer while holding down the 'C' key. A 'Utilities' or 'Installer' menu will appear, depending on which version of OS X you are running. Select 'Reset Password.'
Select 'Macintosh HD' from the available volumes. On the drop-down menu, select the name of the original administrator account. Do not select 'System Administrator.'
Choose a new password and enter it in the two fields. Click 'Save.'
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How to Restore a Mac to an Earlier Date (5 Steps)

Connect your external hard drive to your computer by inserting the USB cable into the USB port.
Insert the Mac OS X Installation CD into your optical drive, and double-click the 'Install Mac OS X' icon.
Click 'Utilities' at the top of the screen once your computer opens the Installer window. Select 'Restore System from Backup' from the drop-down menu.
Click 'Continue' to proceed, and click the 'Time Machine Backup' volume icon.
Select the backup you want to use to restore your system, and click 'Next.' The backup restoration takes up to 45 minutes to complete, depending on the size of your hard drive. Click 'Restart' to restart your computer.
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