Today morning one of my friend called me to consult one technical issue. He is able to access Internet with USB connection between computer and modem but cannot go online with Ethernet connection. He was so surprised by seeing this and I told him to check some simple settings. The issue fixed with in 3 minutes. As in my previous posts I am not going to disclose his actual issue but presenting the step by step instructions to pin point the actual cause of the issue.
Can access Internet from USB port but not from Ethernet Port
Main steps to isolate the issue are:
1. Check the LED of your modem
Check the LED on the modem port as well as computer where the Ethernet cable connects. If the Ethernet cable doesn't connect properly or the cable is broken the light will not come. If the lights are not on we need to make sure that the cable is connected properly. If the issue persists change the ports and the last resort is to change the cable.
2. Check whether static IP is assigned to the Ethernet Port
Some times we may assign static IP address to the Ethernet Port and forget it later. So on the next time when we connect our computer directly to the modem the issue starts. If the static IP assigned to the Ethernet port and the modem IP are not the same one you cannot go online. So to check the IP address of your LAN card is also very important.
How to Track an IP address and Location
3. Power cycle the modem
In this step you need to disconnect power cable from the modem and wait for 1 minute. After one minute connect modem to your computer using Ethernet cable and check for the issue.
How to perform Power Cycle
4. Uninstall LAN card driver and reinstall
Another possibility for this issue is: may be the driver for LAN card(Ethernet) is not installed properly. So you need to uninstall and reinstall it(Most of the time you just need to reboot your computer after uninstall the Ethernet driver to get it back).
5. Disable Firewall and check for the issue
It is advised to disable the firewall protection on your computer and check for the issue.
6. Connect your computer with another modem
To rectify the issue with the LAN port of your computer/LAN port of your modem
either connect a different computer ,or Laptop to the modem ,or connect your computer to another modem.
After this step we can identify in which portion the issue lies. If the issue is with modem port you need to contact your ISP. If your computer LAN port is defective contact your hardware vendor.
1. Check the LED of your modem
Check the LED on the modem port as well as computer where the Ethernet cable connects. If the Ethernet cable doesn't connect properly or the cable is broken the light will not come. If the lights are not on we need to make sure that the cable is connected properly. If the issue persists change the ports and the last resort is to change the cable.
2. Check whether static IP is assigned to the Ethernet Port
Some times we may assign static IP address to the Ethernet Port and forget it later. So on the next time when we connect our computer directly to the modem the issue starts. If the static IP assigned to the Ethernet port and the modem IP are not the same one you cannot go online. So to check the IP address of your LAN card is also very important.
How to Track an IP address and Location
3. Power cycle the modem
In this step you need to disconnect power cable from the modem and wait for 1 minute. After one minute connect modem to your computer using Ethernet cable and check for the issue.
How to perform Power Cycle
4. Uninstall LAN card driver and reinstall
Another possibility for this issue is: may be the driver for LAN card(Ethernet) is not installed properly. So you need to uninstall and reinstall it(Most of the time you just need to reboot your computer after uninstall the Ethernet driver to get it back).
5. Disable Firewall and check for the issue
It is advised to disable the firewall protection on your computer and check for the issue.
6. Connect your computer with another modem
To rectify the issue with the LAN port of your computer/LAN port of your modem
either connect a different computer ,or Laptop to the modem ,or connect your computer to another modem.
After this step we can identify in which portion the issue lies. If the issue is with modem port you need to contact your ISP. If your computer LAN port is defective contact your hardware vendor.
Related Topics
1. Reasons for Slower Internet Connection
New Topics
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