If your computer is not connected to the internet after installing a network adapter card, there are several potential causes and solutions.
1. Check the Network Adapter Driver:
The most common cause of this issue is an incorrect or missing driver for the adapter card. To check if the driver is installed, open the Device Manager by right-clicking the Windows logo in the lower-left corner of the desktop and selecting “Device Manager” from the menu. Expand the appropriate category (e.g. “Network adapters” for a wired connection) and look for the name of your adapter card. If it is present but has a yellow triangle next to it, it means the driver is missing or not properly installed.
You can either use the installation disc that came with the adapter card to install the driver, or you can download the latest version from the manufacturer’s website. Once the driver is installed, restart the computer and check if the internet is working.
2. Confirm Network Settings:
Another possible cause of the issue is incorrect network settings. To check the settings, open the Network and Sharing Center by right-clicking the network icon in the taskbar and selecting “Open Network and Sharing Center” from the menu. Click “Change adapter settings” on the left side of the window and select the name of your adapter. Right-click it and select “Properties” from the context menu.
In the list of items in the Properties window, make sure that Internet Protocol Version 4 (TCP/IPv4) is enabled. If it isn’t, select it and click the “Properties” button. In the Properties window that opens, click the “General” tab and make sure “Obtain an IP address automatically” and “Obtain DNS server address automatically” are both selected. Click “OK” to save your changes.
3. Test the Network Cable:
If the above steps didn’t help, there might be an issue with the network cable. Disconnect the cable from its port on the back of your computer and plug it into another port on the same device. If you’re using a wireless connection, switch off the router and switch it back on after a few minutes.
4. Reset the Router:
If you’re still having issues, try resetting the router or modem. This will reset all the settings on the device and might resolve any configuration issues. You should also power cycle the router by unplugging it from the wall for a few seconds, then plugging it back in.
5. Contact Your ISP:
If none of the above steps worked, there might be an issue with your internet service provider (ISP). Contact them to see if they can provide any help.
In conclusion, if your computer is not connecting to the internet after installing a network adapter card, there are several potential causes. Check the driver and confirm the network settings, test the network cable, reset the router and contact your ISP for further help.