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Troubleshooting the Linksys WRT54G2 Router

Last Updated: Wed, 29 Aug 2012 > Related Articles

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Summary

This article provides an overview of the available ports and an explanation of the status lights on a Linksys WRT54G2 router.

Solution

Installation

For installation instructions, use the following article:

Install and Configure the Linksys Router

Front View

Back View

The Linksys WRT54G2 has the following ports available on the back of the router:

  • Internet - Connects the router to the cable modem.
  • Ethernet (1-4) - Connects to the Ethernet port on your computer(s).
  • Reset - Used to reset the router.
  • Power - Connects the router to the power adapter.

Router Lights

The lights indicate the current status of your router. To troubleshoot any connection problems, use the table below.

Router LightStatusProblemSolution
1, 2, 3, 4Solid GreenNone. The router is successfully connected to a device through that port.N/A
Flashing GreenNone. There is network activity over that port.N/A
OffNo Ethernet foundVerify Ethernet cable connections, the TCP/IP settings and the NIC. NIC drivers may need to be reinstalled. If these steps do not resolve the issue, contact Customer Support.
Wi-Fi Protected Setup ButtonSolid GreenNone. Wireless security is enabled.N/A
Flashing GreenNone. Flashes for two minutes during the Wi-Fi Protected Setup.N/A
Solid AmberAn error was detected during the Wi-Fi Protected Setup process.Make sure the client device supports Wi-Fi Protected Setup. Wait until the LED of off, then try again.
Flashing AmberA Wi-Fi Protected Setup session is active, and a second session begins.The router supports one session at a time. Wait until the LED of off before starting the next Wi-Fi Protected Setup session.
WirelessSolid GreenNone. Wireless feature is enabled.N/A
Flashing GreenNone. The router is actively sending or receiving data over the network.N/A
OffNone. Wireless feature is not in use.N/A
InternetSolid GreenNone. There is a connection made through the Internet port.N/A
Flashing GreenNone. There is network activity over the Internet port.N/A
OffNo devices are connected.Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
PowerSolid GreenNone. The router is powered on.N/A
Flashing GreenNot connected to the Internet.

Turn off all network devices, including the modem, router, and computers. Then turn on each device in the following order:

  1. Cable Modem
  2. Router
  3. Computer

Check the cable connections. The computer should be connected to one of the ports numbered 1-4 on the router, and the modem must be connected to the Internet port on the router.

OffNo power.Verify power supply connections and electrical outlet. Also make sure the outlet is not connected to a switch.

Manufacturer Resources

Router Website


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