2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures

2.11 Modem Troubleshooting

START
Computer unable to
detect telephone signal?
END
Perform connection check
(Procedure 2)
Perform replacement
check
(Procedure 3)
Perform telephone line
connection check
(Procedure 1)
Check / replace
telephone line and
connections
Yes
Replace system board
No

Figure 2-11 Modem troubleshooting process

Tecra A3/S2 Series Maintenance Manual 2-27