Table 7-38 Issues, possible causes, and xes
Items Procedures
Symptoms
● Unable to nd networks (yellow bang)
● Connection dropouts
● Slow performance
Possible causes
Network source, cable, connection, RJ-45 (network) jack, driver, settings.
Troubleshooting steps
Quick Check: verify the network status lights that supposed to ash when there
is network activity.
Network connectivity wireless (WLAN)
Use this information to troubleshoot wireless connectivity issues.
Table 7-39 Issues, possible causes, and xes
Items Procedures
Symptoms
● Unable to nd networks (yellow bang)
● Connection dropouts
● Slow performance
Possible causes
Network source, cable, connection, wireless module, driver, settings.
The following steps are for authorized providers or technicians.
1. Verify that the wireless module and its antenna cables are fully inserted and
in good condition (see WLAN module removal and replacement section).
Reseat wireless module and antenna connection.
2. Verify the module antenna cable connection is not loose.
3. Verify that antenna cables are properly connected to the MAIN and AUX
terminals (see WLAN module removal and replacement section).
WWAN
Use this information to troubleshoot WWAN issues.
Table
7-40 Issues, possible causes, and xes
Items Procedures
Symptom
Unable to nd networks or service
Possible causes
Network source, cable, connection, driver, settings.
ENWW Common issues and possible solutions 153
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