Apple Macbook Mid2007 User Guide

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

 
42Chapter 4   Problem, Meet Solution
Occasionally you may have problems while working with your MacBook. Read on to 
find some solutions 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 Solution43
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 you are unable to force the application to quit, press and hold the power (®) button 
for a few seconds to shut down the computer. Wait 10 seconds and then turn on the 
computer.
If the problem occurs...

 
44Chapter 4   Problem, Meet Solution
ÂWait a few seconds. If the computer doesn’t soon start up, shut it down by pressing 
and holding 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...

 
Chapter 4   Problem, Meet Solution45
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 
that it is compatible with your computer. See whether removing it and reinstalling 
the old memory allows the computer to start up (see “Installing Memory” on 
page 35). 
ÂPress the...

 
46Chapter 4   Problem, Meet Solution
If you forgot your password
You can reset your administrator password and passwords for all other accounts.
1Insert the Mac OS X Install Disc 1. Then restart your computer and hold down the C key 
as it starts up.
2Choose Utilities > Reset Password from the menu bar. Follow the onscreen instructions.
If you have trouble ejecting a disc
ÂQuit any applications that might be using the disc and try again. 
ÂIf this doesn’t work, restart the computer while holding down...

 
Chapter 4   Problem, Meet Solution47
For more information about Apple Hardware Test, see the Apple Hardware Test Read 
Me file on the Mac OS X Install Disc 1.
Problems with Your Internet Connection
Your MacBook has the Setup Assistant application to help walk you through setting up 
an Internet connection. Open System Preferences and click Network. Click the “Assist 
me” button to open Network Setup Assistant.
If you have trouble with your Internet connection, you can try the steps in this section...

 
48Chapter 4   Problem, Meet Solution
Turn the modem off and on to reset the modem hardware
Turn off your DSL or cable modem for a few minutes, and then turn it back on. Some 
ISPs recommend that you unplug the modem’s power cord. If your modem has a reset 
button, you can press it either before or after you turn the power off and on.
Important:  Instructions that refer to modems do not apply to LAN users. LAN users 
might have hubs, switches, routers, or connection pods that cable and DSL modem 
users...

 
Chapter 4   Problem, Meet Solution49
10Click TCP/IP. Make sure you’ve entered the correct information from your ISP 
in this pane. 
11Click Apply Now.
Network Connections
Make sure the Ethernet cable is plugged into your MacBook and into the network. 
Check the cables and power supplies to your Ethernet hubs and routers.
If you have two or more computers sharing an Internet connection, be sure that your 
network is set up properly. You need to know if your ISP provides only one IP address 
or if it...

 
50Chapter 4   Problem, Meet Solution
ÂMake sure you have properly configured the software according to the instructions 
that came with your base station or access point.
ÂMake sure you are within antenna range of the other computer or the network’s 
access point. Nearby electronic devices or metal structures can interfere with wireless 
communication and reduce this range. Repositioning or rotating the computer might 
improve reception.
ÂCheck the AirPort (Z) status menu in the menu bar. Up to four...