Apple Powerbank G4 instruction

15.Reassemble and test the computer.

16.Testing the computer should include the display panel. Use Bluetooth to connect to another computer and verify proper AirPort Extreme function. Check the function of the DC-in port and the left USB port.

94 - PowerBook G4 (17-inch) Take Apart

Display Panel Assembly

Image 96

Apple Powerbank G4 manual

Contents

 Service Source PowerBook G4 17-inch  Service Source Take Apart New Procedures General InformationOverview Important Notes Tools Serial Number Location Zero Insertion Force Connectors To release the ﬂex cable To connect a ﬂex cable Battery Part Location Preliminary Steps Procedure Memory Door Memory Cards Procedure Page Page Page Page Top Case Part Location 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 Wire and Flex Cables Cable or Flex Cable Name Signals Running Through It Cable or Flex Cable Name Signals Running Through It Potential ﬂex cable and connector issues ZIF connector locking Bar Broken connectors on the ﬂex cable Cable is not secured straight Cables nicked or crimped Hardware Troubleshooting Tools and Tips Apple Service Diagnostic ASDApple 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 PMU NMI and PMU Reset pads on logic board Caps lock LED power check Software Troubleshooting Tips and Tools Login window and accountCustomer forgot password Safe Mode Knowledge Base Articles Hardware Symptom Charts How to Use the Symptom Charts Power Adapter Note Startup Page Prohibitory Sign Kernel Panic dialog box Flashing question mark appears on the screen System shuts down intermittently System shuts down almost immediately after startup Error Beeps Application Quits, Kernel panic or other booting problemsComputer beeps once at startup Computer beeps twice at startup Computer beeps three times at startupComputer beeps four times at startup AirPort Extreme Card AirPort Extreme Card not recognizedAirPort connection is slow Battery Battery will not ejectBattery wont charge Bluetooth Bluetooth Card not recognized by other devices Display Display latch not working Hard Drive Internal hard drive will not initialize Keyboard No response from any key on keyboardNo keyboard illumination Microphone Half keyboard is illuminatedMicrophone is not working Modem No modem dial toneModem does not respond can hear dial tone Optical Drive Difﬁculty writing to optical media PC Card PC Card will not insert into the PC Card slotPC Card does not mount to the desktop FireWire port is not recognizing devices PortsUSB port is not recognizing devices USB device not recognized by computer Sound No sound from speakers Distorted sound from speakers Cursor does not move when you are using trackpad TrackpadCursor intermittently does not move or moves erratically Video Misc. Symptoms Date and Time settings reset all the timeSleep LED does not come on when lid is closed Feet came off the bottom casePage  Service Source Views PowerBook G4 17-inch Exploded View