Encountering Error Code 90403 on a TP-Link router in the control panel can be a frustrating experience for the users. This unfamiliar error leaves you puzzled and makes you think about what happened.
This unsolvable error can be fixed easily, and the connection can be restored quickly if you go through this detailed troubleshooting guide.
So, let’s explore the possible causes and solutions that will help you get your TP-Link router running smoothly.
Also, read: How To Access A TP-Link Router From Outside Network?
What Are The Common Causes Of Error Code 90403 In Router’s Control Panel?
Error Code 90403 on a TP-Link router occurs due to several underlying issues, and those are:
- DHCP Disabled
- Weak Signal Strength
- Access Control Settings
- Wireless Mode Configuration
- Network Configuration Conflicts
- Firmware Issues
- Temporary Glitches
Error Code 90403 [Easy And Quick Ways]
Error Code 90403 on a TP-Link router is a solvable issue and can be fixed if the troubleshooting steps are followed accurately.
Below are a few of those:
1. Check Internet Connection
Checking your internet connection will help you resolve error code 90403 and determine whether the issue stems from your ISP (Internet Service Provider) or another external problem.
Error Code 90403 on a TP-Link router typically indicates an unknown error when accessing the router’s control panel.
When you are getting such an error, ensure that the router is receiving an internet connection from the source.
2. Use A Different Device
The next thing you can do is try another device. For that, you can connect a different computer or device to the router and see if the error persists.
Using a different device will help you troubleshoot the error code 90403 and, in turn, help you to isolate the issue that lies with the router, your current device, or your internet connection itself.
3. Connect To 2.4 GHz Network
Next, you can switch to 2.4 GHz. If you’re using a 5 GHz network, try switching to the 2.4 GHz network, as it might be more stable.
By doing this, you’ll be able to choose the right Wi-Fi band on your TP-Link Archer C80, which will in turn help reduce potential conflicts with other devices. It will also improve connection stability and enhance compatibility, particularly in areas with weaker signals or when the device is too far from the router.
4. Install Wi-Fi Driver
Installing the Wi-Fi driver will help in maintaining a stable internet connection and fix compatibility issues, improve connection stability, enable the use of advanced router features, and resolve potential bugs or glitches.
Here’s what you can do:
- To do that, type “Device Manager” in the taskbar’s search box and select the first option.
- Expand the Network Adapter section.
- Locate the Network Adapter for your device.
- Select the Network Adapter.
- Select the Update Driver option.
- Select Search automatically for driver.
- Follow the onscreen instructions to finish the process.
- Reboot your PC after installing the updated drivers.
5. Run Network Troubleshooters
The next thing you can do is use built-in network troubleshooters on your computer to diagnose and fix connectivity issues.
Network troubleshooters are built-in diagnostic tools that will help you to identify and resolve the problems that are related to the router, Wi-Fi, or internet connectivity.
Here is how to do that:
- Open your PC settings and press Win + I for that.
- Then select System followed by the Troubleshoot option.
- Then select Other Troubleshooters.
- Now run the Network and Internet troubleshooter.
- Wait till the process finishes and then check.
6. Reset The Router
For resetting a TP-Link router to factory settings, you can take the help of the reset button. The reset button is present on the back of the router or the router’s web interface.
Resetting the router will restore it to its factory default settings, which in turn can help to resolve a variety of network issues.
Here is how you can reset the router using the reset button:
- Turn on the router.
- You can use a pin to press and hold the reset button for 6 to 10 seconds.
- Release the button and wait for the router to reboot.
- You should see all the lights flashing, and then they should turn off.
- Some of the lights get turned off slowly during the process.
- Once the router reboots, it should be reset to its factory defaults.
7. Contact Support
If you’re still struggling with the issue, contact TP-Link technical support and provide them with your router’s model number, hardware version, and firmware version for further assistance.
Bottomline
Understand the potential causes and then avail the solutions to effectively tackle Error Code 90403.
Explore each solution methodically, and soon you’ll be back to a smooth, error-free connection in no time.