Panasonic Toughbook CF-31AAA7J1M Reference Manual page 127

Troubleshooting (Advanced)
Wireless Communication (only for model with wireless LAN/wireless WAN)
<Only for model with wireless WAN>
Cannot communicate.
<Only for model with wireless WAN>
Cannot connect to the mobile broad-
band network.
Confirm that wireless switch is in ON.
Confirm that [Wireless WAN] is set to [Enabled] in the [Advanced] menu of the
Setup Utility.
Use the Wireless Switch Utility and confirm that the wireless WAN is on.
Confirm that the SIM card is inserted correctly.
If communication is not established after proceeding with the above remedies, the
wireless WAN device may not be correctly recognized. Restart the computer.
When you connect to the mobile broadband network for the first time, proceed as
follows.
Click to open [Connect to a Network], select [Mobile Broadband
A
Network] and then click [Connect].
A message appears to show that connection has failed.
Right-click [Mobile Broadband Network] and select [Properties].
B
Set the APN, user name and password.
C
Repeat step A.
D
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