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Chapter 3 Troubleshooting
Problems During First Startup
3-2
Cisco 831 Router and SOHO 91 Router Hardware Installation Guide
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Problems During First Startup
Table 3-1 lists problems that could occur the first time you turn on the router.
Table 3-1 Problems During First Startup
Symptom Problem Solutions
All LEDs,
including OK
LED, are off.
No power to router. Perform the following tasks in order:
1. Make sure that the power switch is set to ON.
2. Make sure that all connections to and from the power
supply are secure.
3. Make sure that the power outlet has power.
4. If the problem continues, the power supply could be
faulty. Contact your Cisco reseller.
No connection to
modem or
Ethernet switch.
(Internet LED is
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 the “Connecting a Server, PC, or
Workstation” section on page 2-6 or the
“Connecting a Broadband Modem” section on
page 2-10.
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, or
replace it with a similar cable.