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Asked: 2024-09-25T18:34:14+05:30 In:

What steps can I follow to enable the nomodeset option on my Ubuntu system after I have already completed the installation?

I recently installed Ubuntu, and everything seemed fine initially. However, when I tried to boot up my machine later, I started experiencing some weird graphics issues. After doing a bit of digging, I came across the “nomodeset” option. Apparently, it can help with these graphics troubles, especially if you’re using certain graphics drivers that aren’t playing nicely with your setup.

But here’s the catch: I’ve already completed the installation, and now I’m not entirely sure how to enable the nomodeset option when I want to boot up my system. I’ve heard people mention something about editing boot parameters, but honestly, it’s a bit overwhelming. I’m concerned I might mess something up even more.

I’ve already tried booting into recovery mode, thinking it might be straightforward from there, but it only made things more confusing. I just need a clear, step-by-step way to get this nomodeset option activated without completely derailing my system or making matters worse.

Has anyone else dealt with this kind of issue after installing Ubuntu? What’s the best approach? It’d be really helpful if you could break it down into manageable steps—like, where do I find the boot loader screen? Do I need to change any settings in GRUB or something? Any tips on what exactly to type and where would be amazing.

I’d really appreciate any advice from you seasoned Ubuntu users out there. I just want to get back to a working system without having to reinstall everything again. Thanks in advance for your help!

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    2 Answers


    1. To enable the “nomodeset” option when booting up your Ubuntu system, you’ll need to edit the GRUB boot loader configuration. Begin by powering on your machine. When the GRUB menu appears (this is usually seen after the BIOS/UEFI screen, and you might need to press the ‘Shift’ key if your system boots directly into Ubuntu), you will see a list of your kernels. Highlight the entry you want to boot into, but don’t hit ‘Enter’ just yet.

      Instead, press the ‘e’ key to edit the boot parameters of the selected entry. You will be taken to a text editor where you can modify the boot commands. Look for the line that starts with ‘linux’ and find the part that says ‘quiet splash’. At the end of this line, add a space and then type ‘nomodeset’. After making this change, press ‘Ctrl + X’ or ‘F10’ to boot with the new configuration. This should allow you to boot into Ubuntu without the graphics issues. If everything works fine, you may want to make this change permanent by updating the GRUB configuration file in your system.




    2. How to Enable nomodeset on Ubuntu

      How to Enable nomodeset on Ubuntu

      Sounds like you’re having a tough time with your graphics after installing Ubuntu. No worries, I’ll help you out with the nomodeset option!

      Step-by-Step Guide to Enable nomodeset

      1. First, restart your computer.
      2. As soon as your PC starts booting up (before Ubuntu’s logo appears), keep hitting the Shift key. This should bring up the GRUB boot menu.
      3. Once you’re in the GRUB menu, you’ll see a list of options. Highlight the entry that says Ubuntu (the first option is usually the one you want).
      4. Now, press the e key on your keyboard. This will let you edit the boot parameters for this entry.
      5. You should see a line that starts with linux. It’ll look something like this:
        6. linux /boot/vmlinuz-... root=UUID=... ro quiet splash
      6. Go to the end of this line (but keep an eye on it so you don’t mess with the beginning) and add nomodeset after quiet splash. It should look something like this:
        7. linux /boot/vmlinuz-... root=UUID=... ro quiet splash nomodeset
      7. Once you’ve added nomodeset, press Ctrl + X or F10 to boot with these options.

      What Next?

      If your system boots up successfully, that’s great! But to make this change permanent, you’ll need to edit the GRUB configuration file:

      1. Open a terminal (you can press Ctrl + Alt + T).
      2. Type sudo nano /etc/default/grub and hit Enter.
      3. Find the line that says GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" and change it to:
        4. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset"
      4. Save the file by pressing Ctrl + X, then Y to confirm and Enter to exit.
      5. Finally, update GRUB with the command: sudo update-grub.

      After doing all of this, reboot your machine and you should be good to go! No need to worry about reinstalling everything. Good luck!


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