Acer 7730 用户手册
Chapter 4: Troubleshooting
151
Keyboard and touchpad
Modem
Note:
If you cannot find a symptom or an error in this list and the problem
remains, see
Symptom / Error
Action in Sequence
The keyboard (one or more keys) does
not work.
not work.
• Reconnect the keyboard cable.
• Test or replace the keyboard.
• Test or replace the system board.
• Test or replace the keyboard.
• Test or replace the system board.
The touchpad does not work.
• Reconnect the touchpad cable.
• Test or replace the touchpad board.
• Test or replace the system board.
• Test or replace the touchpad board.
• Test or replace the system board.
Symptom / Error
Action in Sequence
The internal modem does not work
correctly.
correctly.
• Test the modem phone port.
• Test or replace the modem card.
• Test or replace the system board.
• Test or replace the modem card.
• Test or replace the system board.