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92 Chapter 4
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined
Problems” on page 94.
Touchpad does not work. Reconnect touchpad cable.
Touchpad board
System board
Modem-Related Symptoms
Symptom / Error Action in Sequence
Internal modem does not work correctly. Modem phone port
modem combo board
System board
Keyboard/Touchpad-Related Symptoms
Symptom / Error Action in Sequence