Apple PowerBook G4 (12-inch, 1.5 GHz) User Manual Page 62
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- TROUBLESHOOTING
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62 Chapter 5 Troubleshooting
 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.
 If the computer still doesn’t respond, try to restart it by simultaneously pressing the
Command (x) and Control keys on your keyboard and the Power button (®).
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 see help for instances when the computer
freezes or doesn’t respond.
If the problem occurs only when you use a particular program, check with the program’s
manufacturer to see if it is compatible with your computer. If you know an application
is compatible, you may need to reinstall your computer’s system software. See the next
topic for instructions.
If the computer freezes during startup or you see a flashing question mark
 Wait a few seconds. If the computer doesn’t start up after a delay, shut down your
computer by pressing and holding the power button (®) for about 5 seconds, until
the computer shuts down. Then hold down the Option key and press the power
button (®) again to start up your computer. When your computer starts up, click the
hard disk icon, then click the right arrow. After the computer starts up, open System
Preferences and click Startup Disk. Select a local Mac OS X System folder.
 If that doesn’t work, try using Disk Utility to repair the disk by inserting the Mac OS X
Install Disc 1 into your computer. Then restart your computer and hold down the C
key as it starts up. Choose Installer > Open Disk Utility. When Disk Utility opens,
follow the instructions in the First Aid pane to see if the utility can repair your disk.
If using Disk Utility doesn’t work, you may need to reinstall your computer’s system
software. For instructions, see page 65.
If the computer won’t turn on or start up
 Make sure the power adapter is plugged into the computer and into a functioning
power outlet. Be sure to use the power adapter that came with your computer.
 Check if your battery needs to be recharged. Press the small button on the battery.
You should see one to four lights indicating the battery’s level of charge. If only one
battery level indicator light is flashing, allow the power adapter to charge the battery
until at least one indicator light is glowing continuously.
 If that does not work, return to the computer’s factory settings by disconnecting the
power adapter, removing the battery, and holding down the power button for at
least 5 seconds.
LL3093.book Page 62 Friday, February 4, 2005 5:50 PM
- PowerBook G4 12-inch 1
- User’s Guide 1
- Contents 3
- Getting Started 5
- 6 Chapter 1 6
- Getting Started 6
- H FireWire 400 8
- Setting Up 10
- W Internal modem port 13
- Ethernet cord 14
- Ethernet port 14
- (10/100Base-T) 14
- ® Power button 14
- Trackpad 16
- Trackpad button 16
- Shutting Down Your PowerBook 17
- Calibrating Your Battery 18
- What’s Next? 18
- Other Support 19
- The Basics 21
- Adjusting Your Display 22
- Using Your Power Adapter 23
- Using the Trackpad 24
- Using the Keyboard 25
- Using a Mouse 25
- Learning About Mac OS X 26
- Using Applications 27
- Connecting to a Printer 27
- Monitoring Printing 28
- Chapter 2 The Basics 29 29
- Connecting to a Network 30
- Using the Internet 30
- When an Application Freezes 31
- Using Your Computer 33
- Universal Serial Bus (USB) 34
- For More Information on USB 35
- FireWire 36
- FireWire Target Disk Mode 37
- Using Bluetooth Devices 38
- Connection to 40
- AC outlet AirPort Express 40
- DSL or cable 40
- Ethernet (10/100Base-T) 41
- Using Your Modem 42
- Mini-DVI 43
- Sudden Motion Sensor 45
- Using Your Optical Drive 46
- Ejecting a Disc 47
- Playing DVD Discs 47
- For More Information 48
- Battery 49
- Battery Latch 50
- Charging a Battery 51
- Battery-Conservation Tips 51
- Security Slot 52
- Adding Memory 55
- Troubleshooting 61
- Other Problems 63
- Installing Applications 65
- Using Apple Hardware Test 66
- Installing Xcode Tools 67
- Specifications 69
- Cleaning Your PowerBook 71
- Carrying Your PowerBook 71
- Storing Your PowerBook 71
- Your Computer 72
- General Safety Instructions 73
- Connectors and Ports 74
- Avoid Hearing Damage 74
- Apple and the Environment 74
- Ergonomics 75
- Connecting to the Internet 77
- Entering Your Information 80
- Connections 80
- Manual Configuration 84
- DHCP Configuration 85
- PPPoE Configuration 86
- PPPoE Connections 91
- Network Connections 92
- Top Ten Questions 93
- FCC Compliance Statement 97
- Bluetooth Information 97
- Industry Canada Statement 97
- VCCI Class B Statement 97
- Class 1 label 98
- Service warning label 98
- Â Telephone jack type: CA-11 99
- 101 101
- 103 103
- 104 Index 104
- Index 105 105
- 106 Index 106
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