Apple MacBook Pro (13-inch, Mid 2009) - Manual (Page 54)

54 Chapter 4 Problem, Meet Solution
The screen might also darken if you have energy saver features set for the battery.
If an audio device plugged into the audio port isn’t working
Choose Apple () > System Preferences, and open Sound preferences. Specify whether
you want the port to be used for audio input or audio output.
Note: If you’re running Windows on your MacBook Pro, the port supports only audio
output.
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.
1 Insert the Mac OS X Install DVD. Then restart your computer and hold down the C key as
it starts up.
2 Choose Utilities > Reset Password from the menu bar. Follow the onscreen instructions.
If you have trouble ejecting a disc
Quit any applications that might be using the disc and try again. If that doesn’t work,
restart the computer and then immediately press and hold the trackpad button.