Apple powerbook firewire User Manual

 
Symptom Charts / Modem -  
17 
Troubleshooting 
PowerBook (FireWire) TCP/IP control panel is not configured correctly, it may 
connect but won’t be able to access any sites.
4. Sometimes online services use different servers for dial-up/
authentication and for services. If one server is down, users 
may be able to login but not access any services. Contact the 
online service for help.
The dialup software 
will not initiate a 
connection1. Use the Modem Country Selector utility to make sure the 
modem...

 
Symptom Charts / USB and FireWire -  
17 
Troubleshooting 
PowerBook (FireWire) 
USB and FireWire 
After you connect 
external USB or 
FireWire device, 
computer does not 
start up1. Disconnect all external devices and start up computer. Then 
plug in devices.
2. Eliminate chain by plugging in only one device.
3. Try  
another 
 port.
4. 
Start up system with extensions off. 
 
5. If device is self-powered, power on external device before 
starting computer.
6 . Check cable connections.
7. Try...

 
Symptom Charts / USB and FireWire -  
18 
Troubleshooting 
PowerBook (FireWire) USB or FireWire 
device, such as digital 
camera, not 
recognized by 
computer 
Note:  
If you are trying to use a serial device with a USB/Serial 
adapter, check with the manufacturer for compatibility.
1. Verify current driver for the device is installed.
2. Turn on camera before launching desktop video (DV) 
application.
3. Try different USB  
or FireWire 
 device on same port.
4. Eliminate chain by plugging in only one...

 
Symptom Charts / USB and FireWire -  
19 
Troubleshooting 
PowerBook (FireWire) Cursor moves on 
screen with external 
mouse connected, but 
clicking or double-
clicking the mouse 
has no effect1 . If the mouse is connected to an external keyboard, connect the 
mouse to one of the USB ports on the computer.
2. Try the other USB port.
3. Try another mouse.
4 . Reset PRAM.
5. Start up from the CD that came with the computer. If the 
mouse works, reinstall the system software.
6. Replace I/O logic board....

 
Symptom Charts / USB and FireWire -  
20 
Troubleshooting 
PowerBook (FireWire) Cursor intermittently 
does not move or 
moves erratically 
Note: 
 User must touch trackpad with the surface of only one finger 
at a time and point directly down on the trackpad surface.
1. Clean trackpad surface with computer off, using a non-static-
inducing material.
2. Reset power manager (press the reset button behind the I/O 
door).
3. Turn off clicking in Trackpad control panel.
4. Try unit on battery power. If...

 
Symptom Charts / USB and FireWire -  
21 
Troubleshooting 
PowerBook (FireWire) Known-good USB 
printer does not print1. Verify computer has correct driver installed. Check vendorÕs 
Web site to download current driver.
2 . Reset PRAM.
3. Verify printer is selected in the Chooser.
4. Run Apple System Profiler to see if it recognizes the USB 
printer is connected. If it does, it is a software issue.
5. Try the other port. Make sure the printer is connected 
directly to the computer.
6 . Check cables.
7....

 
Symptom Charts / Miscellaneous -  
22 
Troubleshooting 
PowerBook (FireWire) 
Miscellaneous 
Sleep light doesnÕt 
turn on1. Verify computer is in sleep mode and not off.
2. Reset power manager (press the reset button behind the I/O 
door.
3. Replace inverter board.
Screen goes blank and 
computer shuts down 
every few minutes1. Computer is going into system sleep to conserve battery 
power. Adjust sleep delays in Energy Saver control panel or 
connect power adapter.
2. Verify the appropriate power...

 
Symptom Charts / Miscellaneous -  
23 
Troubleshooting 
PowerBook (FireWire) Intermittent 
operating problems 
such as not starting 
up or initialization 
errors1. Remove the microprocessor EMI shield and check that the two 
screws over the microprocessor unit and the screw on the left 
side of the heat exchanger are installed.
2. Verify microprocessor board is properly installed. 
3. Press on microprocessor board a second time to make sure the 
board is fully seated.
Important: The microprocessor...

Symptom Charts / Miscellaneous - 24Troubleshooting
PowerBook (FireWire)
Startup Problems Flowchart
START
Reset the
power manager.
Press power button to
begin startup sequence.  
Do you
hear the
startup
tones?No
Yes
Are the 
startup tones
normal?
YesDoes any 
video
appear?No
Yes
See Startup  in the 
Symptom Charts.
No
1. Check display/inverter cable 
    connections.
2. Replace the display and 
    backlight cables.
3. Replace the inverter.
4. Replace the display.
5. Replace the I/O logic board.
1. Check...

Symptom Charts / Startup Problems Flowchart Troubleshooting
PowerBook (FireWire)
Startup Problems Flowchart (continued)
1. Start up with extensions off.
2. Start up with the CD that
    comes with the computer
    (press the C key).
3. Replace the hard drive.
4. Replace the I/O logic 
    board.
END Does
the
PowerBook continue
to start up to the
desktop?No
YesNo
Yes
No Do the
trackpad and
keyboard
function?1. Reset the power manager.
2. Check the trackpad and
    keyboard cables.
3. Replace the trackpad...