- Start typing in your model number (i.e. A1181), order number (i.e. MA255LL/A) or Apple serial number (i.e. W88010010P0) in the box above. Once the system detects what type of Apple device you have, it will add it to your device list below and give detailed specs as well as links to order specific parts for your particular device.
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Size:Download
Replacing the Battery
Your computer has a 3.6 V lithium battery installed on the main logic board. Some signs that you need to replace the battery are intermittent problems starting up the computer and random changes in its date and time settings. You can purchase a replacement battery from an Apple-authorized dealer.
Example, the serial number of my PowerBook G4 (DVI) starts with QT221, which indicates it was manufactured in 2002 week 21. Your friend's PowerBook G4 is probably too new to be supported by your 'universal' 9.2 boot disc. The last few generations of Macs which could boot Mac OS 9 require a model-specific 9.2.2 disc which came with the computer.
1Remove the battery from its holder, noting the orientation of the battery’s positive end. (A plus sign is marked on and near the battery holder.)
Important Batteries contain chemicals, some of which may be harmful to the environment. Please dispose of used batteries according to your local environmental laws and guidelines.
Remove the battery by pulling it up and out of its holder. You may need to spread these two tabs slightly apart to release the battery. Spread the tabs gently so they don’t break.
2Insert the new battery in the holder, making sure the battery’s positive symbol aligns with the positive symbol on or near the holder.
Warning Installing the battery incorrectly may cause an explosion. Be sure the battery’s positive and negative poles are correctly oriented in the holder. Use only the same type of battery or an equivalent recommended by the manufacturer of the original.
3Close the computer.
C H A P T E R
5
Troubleshooting
If you have a problem while working with your computer, here are some things you can try right away.
If the computer won’t respond or the pointer won’t move:
First, make sure the mouse and keyboard are connected.
m Unplug and then plug in the connectors and make sure they are firmly seated.
Then try to cancel what the computer is doing.
mPress the Command (x) and Q keys at the same time to try quitting the current application.
mPress the Command (x) and period keys at the same time and, if a dialog box appears, click Cancel.
mIf that doesn’t work, hold down the Option and Command (x) keys and then press the Esc key. If a dialog box appears, click Force Quit. Restart the computer by choosing Restart from the Special menu in the Finder to be sure the problem is entirely cleared up.
mPress the reset button on the front of the computer. (The button is marked with the π icon.)
mIf that doesn’t work, hold down the power button on the front of the computer for 5 seconds. After the computer turns off, press the button again to turn it on.
mIf all else fails, unplug the power cord to turn the computer off, then replug the power cord and use the front panel power button to restart the computer.
mIf 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.
mIf the problem occurs frequently, choose Mac Help from the Help menu. Look at the section on how to prevent and solve problems. You may need to check for extension conflicts or reinstall your computer’s system software.
If the computer freezes during startup or you see a continuous flashing question mark for more than a minute:
Turn off your system extensions.
m Start up your computer while holding down the Shift key. If that does not work, start up using the system software CD.
mInsert your system software CD and start up while holding down the C key. (Make sure the Caps Lock key is not engaged.)
mAfter the computer starts up, see the troubleshooting information in the onscreen help. Choose Mac Help from the Help menu. Look at the section on how to prevent and solve problems. You may need to check for extension conflicts or reinstall your computer’s system software.
If the computer won’t turn on or start up:
First, make sure the power cord is connected to a working power source.
mThe plug on the power cord must be completely inserted into the computer’s power socket and firmly seated for your computer to operate correctly.
Reset the computer’s parameter random-access memory (PRAM).
mStart up the computer and immediately hold down the Command (x), Option, P, and R keys until you hear the startup sound a second time. Then select your hard disk as the computer’s startup disk using the Startup Disk control panel.
If that doesn’t work, or if you hear tones during startup:
mIf you recently installed additional memory, a PCI expansion card, or other internal component, make sure that it is correctly installed and that it is compatible with your computer. See if removing it allows the computer to start up.
mContact an Apple-authorized service provider.
Software Problems
If you have a problem with a software program:
mFor problems with software from a manufacturer other than Apple, contact the manufacturer.
If you have a problem using your computer or working with the Mac OS:
mLook at the Help Center (in the Help menu) for instructions and troubleshooting information.
mGo to the Apple Support Web site on the Internet for the latest troubleshooting information and software updates: www.apple.com/support
If you have trouble using AirPort wireless communication:
mMake sure you have properly configured the software.
mMake sure the computer or network you are trying to connect to is running and has a wireless access point.
mMake 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 distance. Repositioning or rotating the computer may improve reception.
mSee AirPort Help (in the Help Center) and the instructions that came with the wireless device for more information.
Problems With Your Display
Warning If you have a problem with your Apple display and nothing presented in this manual solves it, contact anApple-authorized service provider or Apple for assistance. If you attempt to repair the display yourself, any damage you may cause to the display will not be covered by the limited warranty on your display. Contact an Appleauthorized dealer or service provider for additional information about this or any other warranty question.
No image appears on the screen.
mMake sure the display and computer are turned on.
mMake sure the cables are connected properly to your computer and the display.
mMake sure your computer is not in sleep. Press the power button or any key to see if the computer wakes.
mMake sure the display brightness and contrast are set properly. Some monitors have brightness and contrast controls on or under their front edge.
The screen image appears dim or flickers.
mAdjust the display brightness and contrast settings. Some monitors have brightness and contrast controls on or under their front edge. Depending on how dim your monitor appears, you may be able to adjust brightness or contrast using the Monitors control panel.
mCalibrate the monitor using the Calibrate option in the Monitors control panel.
mThe flickering may be caused by interference from a nearby power line, a fluorescent light, or an electrical device—for example, a radio, a microwave oven, or another computer. Try relocating nearby electrical devices or moving your computer and display.
No colors appear on the screen or the colors don’t look right.
mMake sure the display is connected firmly to the computer.
mYou may want to calibrate your monitor using the Monitors control panel. For more information on color and your display, see Mac Help.
mOpen the Monitors control panel and make sure your monitor is set to display colors. For more information on color and your display, see Mac Help.
After you change the screen resolution, desktop icons move.
mChanging the screen resolution affects the display of information on your screen. The operating system may automatically reposition icons after you change the screen resolution.
Power Mac G4 Value
The screen freezes.
mIf you are using both Energy Saver and a screen saver program, the screen saver program may be conflicting with Energy Saver. Turn off either the screen saver program or Energy Saver and restart your computer.
The light on the front of the monitor is flashing.
On some Apple flat panel displays, the power light can display a series of short flashes when an error has been detected.
mIf you see a repeating sequence of three short flashes, the monitor is detecting input in the wrong video format. Check that your monitor is compatible with your graphics card and that you’ve installed the correct monitor software, if your monitor came with installation software.
mIf you see a sequence of two short flashes and a long flash, the monitor is detecting a problem with a backlighting lamp. Contact an Apple-authorized dealer or service provider.
A P P E N D I X
A
Specifications
Processor and Memory Specifications
Processor
mPowerPC™ G4 processor, 1 megabyte (MB) backside cache per processor (some configurations have dual processors)
mMinimum of 64 megabytes (MB) of Synchronous Dynamic Random-Access Memory (SDRAM), maximum of 1536 MB (1.5 GB)
mAll SDRAM is supplied in removable Dual Inline Memory Modules (DIMMs).
mThree slots are available for DIMMs that are m “PC-133” SDRAM DIMMs
m 32, 64, 128, 256, or 512 MB DIMMs
m 256 MB DIMMs must have 128 or 256 megabit (Mbit) technology devices; 512 MB DIMMs must have 256 Mbit technology devices.
m3.3 volt (V ) unbuffered, 64-bit wide,168-pin
The Mac OS system software provides information about your computer, including the amount of memory.
Dimensions and Operating Environment
Dimensions
mWeight: 13.6 kg, 30 lbs.
Weight includes basic configuration, CD or DVD drive, and one hard disk drive. Weight may be greater if optional devices are installed.
mHeight: 432 mm, 17.0 in.
Download Manual Power Mac G4 Serial Xb319071np3 2
mWidth: 227 mm, 8.9 in.
mDepth: 468 mm, 18.4 in.
Operating environment
mOperating temperature: 10° to 35° C (50° to 95° F)
mStorage temperature: –40° to 47° C(–40° to 116.6° F)
mRelative humidity: 5 % to 95 % (noncondensing)
mAltitude: 0 to 3048 meters (0 to 10,000 feet)
Data formats
mCD-ROM
mCD-Audio
mCD-R
mCD-RW
mCDI
mCD Bridge
mCD Extended
mCD Mixed Mode
mPhoto CD
Data formats
mCD-ROM
mCD-Audio
mCD-R
mCD-RW
mCDI
mCD Bridge
mCD Extended
mCD Mixed Mode
mPhoto CD
mDVD-Video
mDVD-ROM
mDVD-R
USB Specifications
mTwo external Universal Serial Bus (USB) Type A ports
mEach port is on a separate 12 megabit per second (Mbps) USB channel.
m500 milliamperes (mA) at 5 V are available per port for a total of 1 ampere.
FireWire Specifications
m Data transfer speed: 100, 200, and 400 Mbps
Power
mInput voltage range: 8 to 33 V
mInput power range: Approximately 1 watt (W)
mOutput voltage range: Approximately 13 to 30 V
mOutput power range: Up to 15 W
Ethernet Specifications
mIEEE 802.3 compliant
mMaximum cable length: 100 meters (m)
mProtocols: Open Transport, AppleShare, AppleTalk, NetWare for Macintosh, TCP/IP
mConnector: RJ-45 for10Base-T, 100Base-TX, and1000Base-T
mMedia, 10Base-T: Category 3 or higher UTP on 2 pairs up to 100 m
mMedia, 100Base-TX: Category 5 UTP on 2 pairs up to 100 m
mMedia, 1000Base-T: Category 5 and 6 UTP on 4 pairs up to 100 m
mChannel speeds: IEEE Auto Negotiation of10Base-T, 100Base-TX, and1000Base-T
Modem Specifications
mData communications standard: K56Flex and V.90
mSpeed: 53 kilobits per second (Kbps)
mFax standard: ITU V.17
Specifications for the AirPort Card (Optional)
mWireless data rate: 11 Mbps maximum
mRange: Up to 150 feet (data rates may vary depending on environmental conditions)
mFrequency band: 2.4 to 2.5 gigahertz (GHz)
mRadio output power: 15 dBm (nominal)
Compatibility
m802.11 Direct Sequence Spread Spectrum (DSSS) 1, 2 Mbps standard
m802.11 HR DSSS 11 Mbps draft standard
Audio Output Specifications
m 16-bit stereo sound with audio sampling rates of 44.1 kilohertz (kHz)
Sound out using the Apple speaker mini-jack
m Compatible with only Apple Pro speakers; other speakers should not be used.
Sound out using the headphone jack
m Full scale output level: 3.0 Vpeak-to-peak with a 5 kilohm load
Noise, distortion, and bandwidth
mOutput sound signal-to-noise ratio (SNR) less than 80 dB unweighted (typical)
mDistortion: Total harmonic distortion: 0.08 percent
mBandwidth: 20 hertz (Hz) to 20 kilohertz (kHz)
Graphics Controller
m AGP card with Apple Display Connector and VGA connector
Video Display Modes
For technical specifications for your specific display, go to the Apple Web site and check the specifications for your product: www.apple.com/store
Power Supply
AC line input
mLine voltage/current: 100–120 volts (V ) alternating current (AC), 8 amperes (A) and200–240 V AC, 4.5 A, single phase, manually set by voltage selector switch or set automatically depending on the type of supply
mFrequency: 50–60 hertz (Hz)
DC monitor output
m 4.0 amperes (A) maximum at 28 V DC in the Apple Display Connector
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