Linksys Support
Wireless-G BroadBand Router with SRX400 (WRT54GX4)
Support Sections
Guide Me is step-by-step solutions and troubleshooting tips. FAQs are frequently asked product questions.
Select Downloads for user guides and firmware updates. Use Live Chat to message a customer service representative.
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IIssue with Nat type 3 on PS3
*THIS ISSUE HAS BEEN SOLVED*Â Â I solved this issue after it seemed like I tryed everything but...
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WRT54GX4
For those who have had wireless only issues w/ this router, I found a solution that worked for me. ...
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Adding SD2008 to WRT54GX4
The switch needs to be connected to a DHCP server...The router has a DHCP server in it..however, the...
Access Live Chat
Forums
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IIssue with Nat type 3 on PS3
*THIS ISSUE HAS BEEN SOLVED*Â Â I solved this issue after it seemed like I tryed everything but nothing worked....
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WRT54GX4
For those who have had wireless only issues w/ this router, I found a solution that worked for me. Hopefully, it will...
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Adding SD2008 to WRT54GX4
The switch needs to be connected to a DHCP server...The router has a DHCP server in it..however, the modem does not...and...
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WRT54GX4
HI....You first need to check what is the firmware version that is installed on your router?To check the firmware version...
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WRT54GX4
Hi !        Under wireless tab u will find asub tab as Advance wireless setting...
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WRT54GS Configuration on my Office Network
Well, I use the wrt54G V8 wireless router. Does that work the same as yours? I just went through adding this router...
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WRT54GX4 ver 1.20
Rick, The new GX4 .20 firmware is not yet in Lela. It has been added to the queue of new versions to be added and should...
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WIP330 and WRT54Gx4
For those who may be experiencing problems connecting to certain Linksys routers such as the WRT54Gx4(SRX400), I have found...
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Problem: 13-digit WEP key
I finally figured it out on my own, so this can be marked as solved. I was assuming the 13-digit WEP code was a hex...
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Connecting to Wireless Network
Hey, I've been having a ton of problems with fixing my connection with my wireless network. A few months ago, I lost...
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Monitoring channels/signal strength
This generally requires two devices. One transmitting a signal and one receiving the signal. Until now we have a WRT54GL....
FAQs
Frequently Asked Questions for various Operating Systems
- Disabling Mac's Built-in Firewall
- Accessing the Router’s Web-Based Setup Page Using Mac
- Setting-Up a Router with Cable Internet Service
- Setting-Up a Router with DSL Internet Service
- Setting-Up a Router with a Static IP Account
- Setting-Up the Wireless Settings on a Linksys by Cisco Router
- Checking the Computer's Connection to the Internet
- Checking the Computer's Connection with the Router
- Assigning a Static IP Address on a Wireless Mac
- Getting Poor or No Signal on a Wireless Router when Using Mac
Downloads
Please ensure you select the correct hardware version as not all downloads are compatible with your device.
Free Software notice for certain products, click here.
Where's my model number
License Agreement
To find model or serial numbers, choose your device below.
VALET HOTSPOTS
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Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your product. The serial number is located right underneath the model number. In this example, the model number of the device is M20.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.

WIRELESS ROUTERS AND ACCESS POINTS
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Blue and Black
Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is WRT54G ver 6.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.

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Silver
Step 1:
Look at the side panel of the router when it is standing vertically.Step 2:
You should find the model number on the sticker. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRT54GX4.
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Wireless Routers with Voice Ports
Step 1:
Look at the side panel of the router when it is standing vertically.Step 2:
You should find the model number on the sticker. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRTP54G V.2.
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Wireless VPN Routers
Step 1:
Look at the side panel of the router when it is standing vertically.Step 2:
You should find the model number on the sticker. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRV54G.
WIRED ROUTERS
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Blue and Black
Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is BEFSR41 ver.4.1.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.

WIRELESS ADAPTERS
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PC Card or Card Bus
Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.Step 2:
You should find the model number on the device itself. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WPC54G ver.7NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.

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PCI Adapter
Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.Step 2:
You should find the model number on the device itself. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRT54GX4.
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USB Wireless Adapter
Step 1:
Look for the sticker around the device.Step 2:
You should find the model number on the sticker. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WUSB54G ver.4.
WIRED ADAPTERS
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PCI Adapters
Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.Step 2:
You should find the model number on the device itself. Please take note of the exact model number and version. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.

Media Hub
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Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is NMH410.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.

Wireless Home Audio
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Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is DMC250.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number besides the model number it means that is version 1.

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