If the screen suddenly goes black or your MacBook Pro freezes
Try restarting your MacBook Pro.
1Unplug any devices that are connected to your MacBook Pro, except the power adapter.
2 Press the power (®) button to restart the system.
3Let the battery charge to at least 10 percent before plugging in any external devices and resuming your work.
To see how much the battery has charged, click the Battery (
) status icon in the menu bar or check the battery indicator lights on the left side of your MacBook Pro.
The display might also darken if you have energy saver features set for the battery.
If you press the battery button, and all battery indicator lights flash five times quickly
Your battery needs to be replaced. Contact an Apple Retail Store or an Apple Authorized Service Provider.
If you press the battery button, and the battery indicator lights flash from left to right and then from right to left, five times in a row
Your battery is not recognized. Contact an Apple Retail Store or an Apple Authorized Service Provider.
If you forget your password
You can reset your administrator password and passwords for all other accounts.
1Insert the Mac OS X Install DVD. Then restart your computer and hold down the C key as it starts up.
2Choose Utilities > Reset Password from the menu bar and follow the onscreen instructions.