Apple MacBook 13inch Aluminum Late2008 Manual

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4 Problem, Meet Solution
www.apple.com/support
Mac Helphelp 

 
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Occasionally you may have problems while working with your MacBook. Read on for 
troubleshooting tips to try when you have a problem. You can also find more 
troubleshooting information in Mac Help and on the MacBook Support website at 
www.apple.com/support/macbook.
If you experience a problem with your MacBook, there is usually a simple and quick 
solution. Think about the conditions that led up to the problem. Making a note of 
things you did before the problem...

 
Chapter 4   Problem, Meet Solution53
2Click Force Quit.
The application quits, leaving all other applications open.
If you need to, you can also restart the Finder from this dialog.
Next, save your work in any open applications and restart the computer to make sure 
the problem is entirely cleared up. 
If the problem occurs frequently, choose Help > Mac Help from the menu bar at the 
top of the screen. Search for the word “freeze” to get help for times when the computer 
freezes or doesn’t respond.
If...

 
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ÂWait a few seconds. If the computer doesn’t soon start up, shut it down by holding 
down the power (®) button for about 8 to 10 seconds. Disconnect all external 
peripherals and try restarting by pressing the power (®) button while holding down 
the Option key. When your computer starts up, click the hard disk icon, and then click 
the right arrow. After the computer starts up, open System Preferences and click 
Startup Disk. Select a local Mac OS X System...

 
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ÂIf the problem persists, return the computer to its factory settings by disconnecting 
the power adapter, removing the battery, and holding down the power (®) button 
for at least 5 seconds. 
ÂIf you recently installed additional memory, make sure that it is correctly installed and 
is compatible with your computer. See whether removing it and reinstalling the old 
memory allows the computer to start up (see page 42). 
ÂPress the power (®) button and immediately...

 
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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 (AASP).
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. Check that your battery is installed properly in your 
computer.
If you forget your...

 
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To use Apple Hardware Test:
1Disconnect all external devices from your computer except the power adapter. 
If you have an Ethernet cable connected, disconnect it.
2Restart your MacBook while holding down the D key.
3When the Apple Hardware Test chooser screen appears, select the language you want 
to use.
4Press the Return key or click the right arrow button.
5When the Apple Hardware Test main screen appears (after about 45 seconds), follow 
the onscreen...

 
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To use Network Diagnostics:
1Choose Apple () > System Preferences.
2Click Network and then click “Assist me.” 
3Click Diagnostics to open Network Diagnostics.
4Follow the onscreen instructions.
If Network Diagnostics can’t resolve the problem, there may be a problem with the 
Internet service provider (ISP) you are trying to connect to, with an external device you 
are using to connect to your ISP, or with the server you are trying to access. You can try 
the...

 
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PPPoE Connections 
If you are unable to connect to your Internet service provider using PPPoE (Point to 
Point Protocol over Ethernet), make sure you have entered the correct information in 
Network preferences. 
To check PPPoE settings:
1Choose Apple () > System Preferences.
2Click Network.
3Click Add (+) at the bottom of the network connection services list, and choose PPPoE 
from the Interface pop-up menu. 
4Choose an interface for the PPPoE service from the...

 
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If only one IP address is provided, then you must have a router capable of sharing the 
connection, also known as network address translation (NAT ) or “IP masquerading.” 
For setup information, check the documentation provided with your router or ask the 
person who set up your network. You can use an AirPort Base Station to share one 
IP address among multiple computers. For information about using an AirPort Base 
Station, check Mac Help or go to the Apple...