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78 Chapter 4
IMPORTANT:If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined
Problems” on page 80.
Print problems.
Run the printer self test.
Reinstall the printer driver.
Test or replace the printer cable.
Test or replace the printer.
Test or replace the mainboard.
Keyboard/Touchpad-Related Symptoms
Symptom / Error Action in Sequence
Keyboard (one or more keys) does not
work.
Reconnect the keyboard cable.
Test or replace the keyboard.
Test or replace the mainboard.
Touchpad does not work.
Reconnect the touchpad cable.
Test or replace the touchpad board.
Test or replace the mainboard.
Peripheral Devices-Related Symptoms
Symptom / Error Action in Sequence