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Asked: 2024-09-26T22:37:49+05:30 In:

I’m experiencing issues with my Wi-Fi on Ubuntu, and I suspect it might be due to missing firmware for the Intel wireless card. Can anyone guide me on how to check for and install the appropriate firmware for the iwlwifi driver? Any insights on resolving connection problems related to this would be greatly appreciated.

So, I’m having a bit of a frustrating time with my Wi-Fi on Ubuntu, and I really need some help. I have an Intel wireless card, and while everything was working fine before, it seems like something has gone wrong lately. I suspect that it might be related to missing firmware for the iwlwifi driver. I’ve been digging around online, but I’m still not quite sure what steps to take to check if the firmware is indeed missing or how to install it if it is.

I remember reading that sometimes when people upgrade their Ubuntu or if there are updates, certain drivers or firmware can get lost or become outdated. It’s super annoying because I rely on my Wi-Fi for everything from working remotely to streaming shows and staying connected with friends. I’ve tried rebooting and even unplugging my router, but that hasn’t helped much. I’ve noticed that my connection keeps dropping or gets really slow, and it’s just not the experience I signed up for.

If anyone has gone through something similar, could you please share how you figured out whether the firmware was the issue? I’d love to know what commands I should run in the terminal to check for the presence of the iwlwifi driver or any missing firmware files. I guess I’m looking for a sort of step-by-step guide, if possible. Also, once I know what firmware I need, how do I go about installing it? Are there specific packages I should be looking for, or is it as simple as using the package manager?

Honestly, any tips or tricks you may have learned along the way would be amazing. I just want to get my Wi-Fi back to normal so I can stop dealing with these frustrating connection issues. Thanks a million for any help you can provide!

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    2 Answers



    1. Fixing Wi-Fi Issues on Ubuntu with Intel Wireless Card

      If you’re experiencing Wi-Fi issues on Ubuntu with your Intel wireless card, it’s indeed possible that missing firmware for the iwlwifi driver is the culprit. To check if the iwlwifi driver is loaded and whether the firmware is present, you can run the following commands in your terminal. First, use the command lspci -k | grep -A 3 -i "network" to see if your wireless card is detected and which driver it’s using. If you see iwlwifi listed, you can check for firmware issues by inspecting the kernel log using dmesg | grep iwlwifi. Look for any indications of missing firmware, which might appear as errors or warnings. This will give you insight into whether the issue is firmware-related.

      If you determine that firmware is indeed missing, you can install the necessary packages using the package manager. Most Intel wireless firmware is included in the linux-firmware package. To install or update this package, run the command sudo apt update && sudo apt install linux-firmware. After installing or updating, make sure to reboot your system to ensure that the changes take effect. If you’re still facing issues, it may help to specifically install any additional firmware packages that your Intel card may require, which you can find through the sudo apt search iwlwifi command. Following this step-by-step guide should help you resolve your Wi-Fi connectivity issues.




    2. Wi-Fi Issue on Ubuntu

      Fixing Wi-Fi Issues with Intel Wireless Card on Ubuntu

      It sounds really frustrating! Let’s try to sort out your Wi-Fi problem step by step.

      Step 1: Check if iwlwifi is Loaded

      First, we want to see if your iwlwifi driver is actually loaded. Open up your terminal (you can do this by pressing Ctrl + Alt + T) and run this command:

      lsmod | grep iwlwifi

      If you see something that looks like “iwlwifi“, then the driver is loaded. If nothing shows up, it might be missing or not loaded for some reason.

      Step 2: Check for Missing Firmware

      Next, let’s check if the firmware is missing. You can do this by looking at the system logs. Run:

      dmesg | grep iwlwifi

      If you see any lines saying “firmware” or “error”, it indicates missing firmware files.

      Step 3: Install the Correct Firmware

      If you found that the firmware is missing, you can install it by using the package manager. Just run:

      sudo apt update
      sudo apt install linux-firmware

      This command updates the package list and installs the firmware package that contains the drivers for most wireless cards.

      Step 4: Reboot

      After installing the firmware, restart your computer:

      sudo reboot

      When it boots back up, see if your Wi-Fi is working again.

      Extra Tips

      If you’re still having issues, here are a couple more things to try:

      • Make sure your system is fully updated:
        • sudo apt upgrade
      • Check if you need any specific firmware for your Intel card model:
        • apt search intel

      Hopefully, one of these steps will help you get your Wi-Fi back to normal. Good luck!


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