USB and FireWireTroubleshooting
PowerBook (FireWire)
23
Known-good USB printer does not print
1. Verify that computer has correct driver installed. Check
vendor’s Web site to download current driver.
2. Reset PRAM.
3. Verify that printer is selected in the Chooser.
4. Run Apple System Profiler to see if it recognizes that a
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. Replace I/O logic board.
Power-related error message appears
1. Plug the device into an electrical outlet if it has a power
cord.
2. Unplug the device and plug it into another USB port on
the computer or another device plugged into a power
outlet such as a USB hub.
After sleep, a USB device is sometimes not
recognized
1. Restart the computer.
2. Contact device manufacturer for latest driver update.
To Next Page
Loading...
