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Apple Powerbank G4 manual

Models: Powerbank G4

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Hardware Symptom Charts Bluetooth Password Error Beeps Wire and Flex Cables Misc. Symptoms Apple Service Diagnostic ASD ZIF connector locking Bar Display Panel Assembly Battery

Page 139

8.Shut down system.

9.Replace sound board.

10.Replace logic board.

38 - PowerBook G4 (17-inch) Troubleshooting

Hardware Symptom Charts

Page 138 Page 140

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Apple Powerbank G4 manual

Page 138 Page 140

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Contents

 Service Source PowerBook G4 17-inch  Service Source Take Apart General Information New ProceduresOverview Tools Important Notes Serial Number Location To release the ﬂex cable Zero Insertion Force Connectors To connect a ﬂex cable Part Location Preliminary Steps Battery Procedure Memory Door Memory Cards Procedure Page Page Page Page Part Location Top Case Preliminary Steps Page Page Page Replacement Procedure Page Page Page Page Page Page Page Page Page Page Page Page Keyboard Procedure Page Page Page Replacement Procedure Page Page Page Hard Drive Procedure Page Sound Board Procedure Page SuperDrive Procedure Page Backup Battery Board Procedure Modem Procedure PC Card Cage AirPort Extreme Assembly Procedure Page Page Page Page Bluetooth Procedure Page Speakers Procedure Page DC-In Board Procedure Page Page Logic Board Preliminary Steps Page Page Replacement Procedure Page Page Page Page Page Page Page Display Panel Assembly Procedure Page Page Page Page Replacement Procedure Page Page Page Page Page Page Heatsink and Fan Assembly Procedure Bottom Case Assembly Procedure  Service Source Troubleshooting Cable or Flex Cable Name Signals Running Through It Wire and Flex Cables Cable or Flex Cable Name Signals Running Through It ZIF connector locking Bar Potential ﬂex cable and connector issues Cable is not secured straight Broken connectors on the ﬂex cable Cables nicked or crimped Apple Service Diagnostic ASD Hardware Troubleshooting Tools and TipsApple Hardware Test 2.0.1 AHT General Information PowerBook G4 17-inch Troubleshooting Resetting the Power Manager Unit PMU Power-on pads on logic board Caps lock LED power check PMU NMI and PMU Reset pads on logic board Safe Mode Software Troubleshooting Tips and ToolsLogin window and account Customer forgot password Knowledge Base Articles How to Use the Symptom Charts Hardware Symptom Charts Power Adapter Note Startup Page Prohibitory Sign Kernel Panic dialog box Flashing question mark appears on the screen System shuts down almost immediately after startup System shuts down intermittently Application Quits, Kernel panic or other booting problems Error BeepsComputer beeps once at startup Computer beeps three times at startup Computer beeps twice at startupComputer beeps four times at startup AirPort Extreme Card not recognized AirPort Extreme CardAirPort connection is slow Battery will not eject BatteryBattery wont charge Bluetooth Card not recognized by other devices Bluetooth Display latch not working Display Internal hard drive will not initialize Hard Drive No response from any key on keyboard KeyboardNo keyboard illumination Half keyboard is illuminated MicrophoneMicrophone is not working No modem dial tone ModemModem does not respond can hear dial tone Difﬁculty writing to optical media Optical Drive PC Card will not insert into the PC Card slot PC CardPC Card does not mount to the desktop USB device not recognized by computer FireWire port is not recognizing devicesPorts USB port is not recognizing devices No sound from speakers Sound Distorted sound from speakers Trackpad Cursor does not move when you are using trackpadCursor intermittently does not move or moves erratically Video Feet came off the bottom case Misc. SymptomsDate and Time settings reset all the time Sleep LED does not come on when lid is closedPage  Service Source Views PowerBook G4 17-inch Exploded View

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