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3-3
Cisco 831 Router and SOHO 91 Router Hardware Installation Guide
78-14784-02
Chapter 3 Troubleshooting
Problems During First Startup
No connection to
Ethernet devices.
(COMPUTER
LEDs 1 through 4
are off.)
A cable-related
problem:
• Improperly
connected cable.
• Damaged cable.
Perform the following tasks in order:
1. To make sure that you have cabled the device
correctly, see Figure 2-1 in the “Connecting a
Server, PC, or Workstation” section on page 2-6
2. Make sure that the connectors at both ends of the
cable are securely seated.
3. Make sure that the cable is not physically damaged.
If it is damaged, order another cable from Cisco
Systems, or replace it with a similar cable.
Cannot connect to
the Internet
• Broadband modem
or external
Ethernet switch is
not connected or
turned on.
• There is a problem
with the
broadband or
WAN service.
• Router is
improperly
configured.
• Reconnect the broadband modem or external
Ethernet switch, and make sure that it is receiving
power.
• Check with the Internet service provider or
corporate network administrator to determine
whether there is a problem.
• Use the Cisco Router Web Setup software to
configure the router. Follow the procedure in the
“What to Do If You Cannot Connect to a Website”
section on page 2-22 (recommended), or configure
the router using a PC that is connected to the console
port.
Table 3-1 Problems During First Startup (continued)
Symptom Problem Solutions