Apple G4 manual Reset your computer’s PRAM. See, Problems With Your Display

Page 73

If you have trouble using 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 an Apple-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 Apple-authorized 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.

mMake sure the display brightness and contrast are set properly. Some monitors have brightness and contrast controls on or under their front edge.

mReset your computer’s PRAM. (See page 72.)

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, such as your speakers, or moving your computer and display.

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Contents About Apple Computer, Inc. All rights reserved Apple Computer, IncContents Important Safety Information General Maintenance Installing an AirPort CardWorking Inside Your Computer Positioning the Computer and Display Setting UpSetting Up Your Computer Plug one end of the power cord into the power adapter Power socket Grounded wall outlet ADC monitor port VGA monitor port Setting Up GEthernet port WModem port Turn your computer right side up SB ports on display USB ports Connect your computer speakers Problems? Turn on your computer by touching the power buttonAre the keyboard and monitor cables connected correctly? Adjusting Your Monitor When You’re Finished Using Your ComputerWhat’s Next? Page Getting to Know Your Computer Your Computer at a Glance DVD disc drive Your Computer’s Ports and Connectors Connect a phone cord to the internal modem Inside Your Computer-Internal Expansion Options Sdram slots QuickTime-Audio and Video on the Internet Volume control Play button Favorites drawerTo Get Started What You Can DoTips and Tricks To Learn MoreSherlock 2-Your Internet Search Detective Create your own customized Sherlock search channel Clip viewer Timeline viewer IMovie 2-Create and Edit Your Own Digital MoviesShare your desktop iMovie with your friends and family KidSafe ITools-Free Internet Services for Mac UsersCreate an alias of your iDisk for easy access Set Schedule Adjust your Software Updates schedule Accounts Multiple Users-Turn One Mac Into ManyCreate a voice print passphrase Apple.com-Your Starting Place on the World Wide Web IReviewApple Support Mac Help-Answers to All Your Macintosh Questions Using Your Computer Using the Standard Function Keys Using Your Apple Pro Keyboard and Apple Pro MouseAssigning Hot Function Keys For More Information About Your Keyboard and Mouse Using Your Apple Pro MouseUsing Your Computer Speakers For More Information on USB Speakers Using Your Speakers Without the GrilleUsing USB Devices For More Information on USB Connecting Multiple USB DevicesThese are some of the things you can do with FireWire Using FireWire DevicesFor More Information on FireWire FireWire Target Disk ModeStart up your computer and immediately hold down the T key Inserting Discs Using Your DVD DrivePlaying DVD and Audio Discs Ejecting a DiscFor More Information on Your DVD Drive Using an External USB Modem Using Your ModemConnecting to an Ethernet Network For More Information on Using Ethernet How AirPort Provides Wireless Internet Access Using AirPort Wireless NetworkingWireless Network Connections For More Information on AirPort Putting the Computer to Sleep to Save EnergyTransferring Information Between Two Apple Computers Page Working Inside Your Computer Removing the Computer Core Unplug the power cord and power adapter Allow the latch to extend completely Push down on the latch to release itGently pull the core from the computer enclosure Installing Memory Connectors Notches Open the hinged connector panel and insert your card Installing an AirPort CardReplacing the Battery Make sure the core is fully seated in the enclosure Replacing the Computer Core in the EnclosurePush the latch down until it locks into place Page Troubleshooting Software Problems Reset the computer’s parameter random-access memory PramProblems With Your Display Reset your computer’s PRAM. SeeMake sure the display is connected firmly to the computer Processor and Memory Specifications PowerPC G4 processor, 1 megabyte MB backside level 2 cacheDimensions and Operating Environment DVD-ROM Drive Specifications CD-ROM656 megabytes MB, Mode 1, 748 MB, ModeUSB Specifications FireWire SpecificationsSpeed 53 kilobits per second Kbps Ieee 802.3 compliantVideo Display Modes Video Memory and Graphics ControllerPower Supply Computer can provide up to 10 W total to the FireWire portsPower Requirements for Devices You Can Connect System Clock and BatteryPage Important Safety Information Safety, Maintenance, and ErgonomicsGeneral Maintenance Protecting Your DVD Disc Drive Important Ergonomic and Health-Related InformationMaintaining Your Display Shoulders relaxed Communications Regulation Information Wavelength 790 nm Power out of objective lens 3.3mW Communications, Telephone, and Modem Regulation Information
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