How to find and download network driver Lenovo Inc. Drivers & Software Knowledge Base & Guides How-tos & Solutions. Intel Network Adapter Driver 25.0 on 32-bit and 64-bit PCs. This download is licensed as freeware for the Windows (32-bit and 64-bit) operating system on a laptop or desktop PC from drivers without restrictions. Intel Network Adapter Driver 25.0 is available to all software users as a free download for Windows.
Even though the wireless adapter is connected to the computer, it may not have been recognized as a network device by the computer. In this step, you will check whether the device was recognized properly.
Open a Terminal window, type lshw -C network and press Enter. If this gives an error message, you may need to install the lshw program on your computer.
Look through the information that appeared and find the Wireless interface section. If your wireless adapter was detected properly, you should see something similar (but not identical) to this:
If a wireless device is listed, continue on to the Device Drivers step.
If a wireless device is not listed, the next steps you take will depend on the type of device that you use. Refer to the section below that is relevant to the type of wireless adapter that your computer has (internal PCI, USB, or PCMCIA).
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Internal PCI adapters are the most common, and are found in most laptops made within the past few years. To check if your PCI wireless adapter was recognized:
Open a Terminal, type lspci and press Enter.
Look through the list of devices that is shown and find any that are marked Network controller or Ethernet controller. Several devices may be marked in this way; the one corresponding to your wireless adapter might include words like wireless, WLAN, wifi or 802.11. Here is an example of what the entry might look like:
If you found your wireless adapter in the list, proceed to the Device Drivers step. If you didn’t find anything related to your wireless adapter, see the instructions below.
Wireless adapters that plug into a USB port on your computer are less common. They can plug directly into a USB port, or may be connected by a USB cable. 3G/mobile broadband adapters look quite similar to wireless (Wi-Fi) adapters, so if you think you have a USB wireless adapter, double-check that it is not actually a 3G adapter. To check if your USB wireless adapter was recognized:
Open a Terminal, type lsusb and press Enter.
Look through the list of devices that is shown and find any that seem to refer to a wireless or network device. The one corresponding to your wireless adapter might include words like wireless, WLAN, wifi or 802.11. Here is an example of what the entry might look like:
If you found your wireless adapter in the list, proceed to the Device Drivers step. If you didn’t find anything related to your wireless adapter, see the instructions below.
PCMCIA wireless adapters are typically rectangular cards which slot into the side of your laptop. They are more commonly found in older computers. To check if your PCMCIA adapter was recognized:
Start your computer without the wireless adapter plugged in.
Open a Terminal and type the following, then press Enter:
This will display a list of messages related to your computer’s hardware, and will automatically update if anything to do with your hardware changes.
Insert your wireless adapter into the PCMCIA slot and see what changes in the Terminal window. The changes should include some information about your wireless adapter. Look through them and see if you can identify it.
To stop the command from running in the Terminal, press Ctrl+C. After you have done that, you can close the Terminal if you like.
If you found any information about your wireless adapter, proceed to the Device Drivers step. If you didn’t find anything related to your wireless adapter, see the instructions below.
If your wireless adapter was not recognized, it might not be working properly or the correct drivers may not be installed for it. How you check to see if there are any drivers you can install will depend on which Linux distribution you are using (like Ubuntu, Arch, Fedora or openSUSE).
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To get specific help, look at the support options on your distribution’s website. These might include mailing lists and web chats where you can ask about your wireless adapter, for example.
There may come a time where you have an extra wireless router on your hands (such as the Linksys WRT54GL) that you’re not sure what to do with. One thing that I have recently found useful is to use the router as a wireless adapter to connect to a wireless network.
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Using a router as a wireless adapter will not only provide you with wireless connectivity, but will also give you a multiple-port switch to connect your wired devices. This is a great way to allow multiple devices to have network connectivity without needing a wireless network card for each device.
- Start by checking if you router supports a 3rd party firmware. (For this guide, I will be using the free DD-WRT firmware).
- Download and install the firmware according to the instructions for your router model.
- Enter http://192.168.1.1 into your browser and login using the default credentials, which is typicallya blank username and the password admin.
- Click Wireless.
- Change Wireless Mode to Client.
- In Wireless Network Name (SSID), enter the name of the wireless network you would like the router to connect to.
- Click Apply Settings.
- Click Wireless Security (If the wireless network you are connecting to doesn’t have security enabled, you can skip this step.)
- Select the corresponding Security Mode and enter the network key and click Apply Settings.
- In the top right corner of the web interface, your router should now get a WAN IP that is provided by the wireless network.
- Click Setup and then select Basic Setup.
- Change the Local IP Address of your router to something other than the default, such as 192.168.5.1. This is done to prevent conflicts with your existing network.
- Enter the Gateway of your wireless network. (You can find your Gateway information under Default Gateway by entering ipconfig in the command prompt on a computer already connected to your wireless network.
- Optional: Click Setup and select Basic Setup. Under WAN Port, check the box to Assign WAN Port to Switch. This will add the WAN port to the 4 port switch, giving you 5 ports to share the wireless connection.
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Once the above steps have been completed, your router with DD-WRT firmware will be connected to your wireless network as a client just as if you connected to the same wireless network with a laptop. Any devices that are connected to the 4/5 port switch will now have network connectivity as well.
