Apple powerbook g4 12 inch 1 33ghz User Manual

 

PowerBook G4 (12-inch 1.33 GHz) Troubleshooting
 Symptom Charts
 
Warning: Resetting the power manager means you will also need to reset the 
date and time (using the Date & Time control panel).
 
8. Replace hard drive cable.
9. Replace hard drive.
 
Noisy hard drive
 
Some sounds such as ticking or a rotational noise are normal. Refer to Knowledge Base 
article 30593: PowerBook: Hard Drives and Noise.
 
Keyboard
 
No response from any key on keyboard
 
1. Remove any connected peripherals.
2. Boot...

 

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PowerBook G4 (12-inch 1.33 GHz) Troubleshoot- Symptom Charts
9. Verify modem 2-pin connector is plugged into modem correctly.
10. Replace the RJ11 modem cable and port. 
11. Replace modem.
Related article:
106592: Mac OS X: How to Use Modem AT Commands
 
Cannot send fax
 
1. Check that Network connection in System Preferences is set to Internal Modem.
2. Refer to Knowledge Base article 25746: Mac OS X 10.3: Fax doesnt send.
 
Cannot receive fax
 
Check that Receive faxes on this computer is...

 

PowerBook G4 (12-inch 1.33 GHz) Troubleshooting
 Symptom Charts 4. Create new Mac OS X user and log in as that user. (So that the customer does not 
question the new user, remove the user once disc is veri fied.)
5. Reseat optical drive cable.
6. Replace optical drive cable. 
7. Replace optical drive.
 
The optical drive does not eject CD or DVD disc
 
1. Verify disc is not in use by quitting any applications that may be using the disc.
2. Press and hold Media Eject key at top right corner of...

 

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PowerBook G4 (12-inch 1.33 GHz) Troubleshoot- Symptom Charts
10. Try a different cable. (Cable noise could be a problem.)
11. Try known-good device.
12. Eliminate chain by plugging in only one peripheral.
13. If self powered make sure that the power supply is connected and devices LED 
indicates that it is getting power.
14. Reset the power manager by pressing key combination Control-Option-Shift-power. 
 
Warning: Make sure you do not hold down the fn key when resetting the 
power manager....

 

PowerBook G4 (12-inch 1.33 GHz) Troubleshooting
 Symptom Charts 9. Replace top case.
10. Replace logic board.
 
Startup
 
The computer will not power on
 
1. Make sure that power adapter connector is fully inserted.
2. Remove any connected peripherals.
3. Try known-good power outlet.
4. Try known-good power adapter and power cord.
5. Remove battery.
6. Press Caps Lock key to see if light on key comes on. If it does, hold power button 
down for six seconds to shut down the computer and restart.
7....

 

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PowerBook G4 (12-inch 1.33 GHz) Trouble- Symptom Charts
reinstall the extension that is causing the problem. Open the Extensions\
 Manager 
control panel, and turn off the extensions that you suspect are causing \
the 
problem. Restart Classic with the extensions turned on again.
2. From the Software Install and Restore disc, use Disc Utility. 
3. Reinstall the computer’s system software.
 
Display
 
No display, or dim display, but computer appears to operate correctly
 
1. Press F2 to...

 

PowerBook G4 (12-inch 1.33 GHz) Troubleshooting
 Symptom Charts
 
When displaying a single color over the screen area, the LCD panel shows one 
or more pixels that are not properly lit
 
Active-matrix LCD technology uses rows and columns of addressable locations (pixels) 
that render text and images on screen. Each pixel location has three separate subpixels 
(red, green, and blue) that allow the image to be rendered in full color. Each subpixel has a 
corresponding transistor responsible for turning...

 

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PowerBook G4 (12-inch 1.33 GHz) Trouble- Symptom Charts
 
Video (S-Video and Composite adapter)
 
No video on an external device
 
1. Make sure you are using the S-Video and Composite adapter cable.
2. Verify TV or VCR is set up properly with correct source.
3. Try different TV or VCR. Check owner’s manual for TV or VCR.
4. Replace adapter cable.
5. Replace logic board. 
 
The display is rolling (PAL instead of NTSC)
 
1. Make sure you are not using Apples A/V Video Cable.
2. Make sure you...

 

PowerBook G4 (12-inch 1.33 GHz) Troubleshooting
 Symptom Charts
 
Bluetooth
 
Bluetooth not recognized when ADC monitor connected
 
1. Disconnect all devices except the monitor.
2. Restart the computer.
3. If Bluetooth is still not recognized, refer to Bluetooth topic articles in the Knowledge 
Base for the latest information on optimizing Bluetooth performance.
 
Misc. Symptoms
 
The computer runs with battery, but not with the power adapter plugged into 
wall outlet
 
1. Try known-good power...

 

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PowerBook G4 (12-inch 1.33 GHz) Trouble- Symptom Charts
 
date and time (using the Date & Time control panel).
 
4. Replace DC-to-DC board.
5. Replace logic board.
 
The cursor does not move when you are using trackpad
 
1. Verify that no USB device is connected.
2. Boot from a Mac OS system CD to verify that it is not a software problem.
3. Reset the power manager by pressing the key combination Control-Option-Shift-
power. 
 
Warning: Make sure you do not hold down the fn key when resetting...