Ubuntu freeze

The tutorial was performed on a newly installed Ubuntu system but it should be applicable otherwise as well. The other day I bought an Acer Predator laptop affiliate link to test various Linux distribution. I dual booted Windows 10 with Ubuntu The installation was quick, easy and painless.

ubuntu freeze

I booted into Ubuntu. It was showing the familiar purple screen and then I noticed that it froze there. And it was the same story at the next login try. Ubuntu just gets stuck at the purple screen even before reaching the login screen. Please note that while this tutorial was performed with Ubuntu I have confirmed it with Zorin OS.

Please check which graphics card do you have on your Linux system. When you boot your system, just stop at the Grub screen like the one below. You should see some sort of code like the one below. You should focus on the line that starts with Linux. This incompatibility with open source version of NVIDIA drivers caused the issue so what we can do here is to disable these drivers. Now, there are several ways you can try to disable these drivers. Just add the following text at the end of the line starting with Linux.

You should be able to type normally. Just make sure that you are adding it at the end of the line. So, what did we just do here? Let me explain it to you briefly. In other words, when you logged in to your system and see graphical user interface.

But lately, the video mode settings were moved to the kernel. Among other benefits, it enables you to have a beautiful, high resolution boot splash screens. In other words, you disabled loading the graphics driver at this time and the conflict it was causing goes away. After you login to the system and see everything because the graphics card is loaded again. In some cases, not using the graphics driver at all or switching to the open source driver may result in poor looking resolution.

What you did was temporary and the next time you boot into your system, your system will still freeze because it will still try to load the graphics drivers. Thankfully, the answer is no. What you can do here to change the grub configuration so that the Linux kernel will not try to load the graphics driver before the display server. Save the file and update grub so that changes are taken into effect.

Use this command:. This means you must update Ubuntu before you do anything else. Now go to the Additional Drivers tab and wait for a few seconds. It will take some time in the installation of the new drivers. You can set it to anything that is easy to remember. MOK Machine Owner Key is needed due to the secure boot feature that requires all kernel modules to be signed. Ubuntu does that for all the kernel modules that it ships in the ISO. Hence, you can either sign the kernel module on your own telling your UEFI system not to panic because you made these changes or you simply disable the secure boot.

It will ask you to Continue in the next screen followed by asking a password.All operating systems freeze sometimes, and Ubuntu is no exception. What could you do to debug and regain control before you decide to pull the plug and restart all over?

ubuntu freeze

Lets find out…. Usually a single unresponsive program can be terminated simply by clicking the X-shaped close button at the top left of the window which would generally result in a dialog box saying that the program is not responding but you already knew that and presenting you with the option to kill the program or to continue to wait for it to respond. Sometimes this does not work as expected.

Your mouse cursor will turn into an X. Hover over the offending window and left-click to kill it. Right clicking will cancel and return your mouse to normal. Here is in-depth tutorial to see this is detail. Now kill the process using kill [process ID here]. Note that force killing the process provides the kernel no opportunity to cleanup. The process just stops to exist. From there you can troubleshoot things or kill offending processes as described in the previous step.

Once you execute, it should bring down the GUI, which will then attempt to respawn, bringing you back to the login screen. There exists less radical way than rebooting the whole system.

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Note: You should explicitly enable these key combinations. You can change it to 1 or, that which is potentially less harmful, To do this:. If tests fail, try installing a RAM with greater capacity. Even if one application or a poor video driver does, you can simply restart the GUI and just keep going on and on. It might be useful to temporarily simplify your configuration to have just the graphics card connected with a standard keyboard and mouse. For acpi related issues, try booting with noapic nomodeset in your grub boot option.

Also worth checking the bios version level and seeing if the vendor has a newer bios version. Digital Fortress.

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About Contact Write for Us! Lets find out… 1.If you're curious about Linux but don't want to completely replace macOS or Windows, running this operating system in a virtual machine is a great choice. VirtualBox is one of the most popular virtual machines for many reasons, one of which is because it's free.

Virtual machines are complex things and when something goes wrong, it's hard to know where the problem is. This is especially true if you are running Ubuntu and it freezes continuously. If this happens to you, trying to figure out what the problem is can be a hopeless effort. While it may sound attractive, it rarely helps you achieve any real performance. If you encounter freezing, this is one of the first things you should try to disable.

In the left menu in VirtualBox, right-click on the Ubuntu virtual machine in which you are having trouble, then select Settings. Here, click the Display tab and make sure that the Enable 3D Acceleration option is not selected.

However, VirtualBox, by default, will only display a virtual CPU, proven to cause problems with Ubuntu, especially recent versions. If you experience freezing, you may want to increase the number of CPUs to 2 to 4. Right-click your virtual machine, select Settings, and then go to the System tab. Here, select the processor at the top of the section and raise the slider until the minimum number of CPUs is two.

There are a number of other options that other users have found, which can solve the freeze problem. If this option is turned on, turn it off, or turn it on if it is turned off, this method may help solve the problem you are having. You can also try changing your Paravirtualization settings.

Go to Settings, then select System and Acceleration below it. Paravirtualization interface may be set to Default, but some users have better results when setting it to Minimal.

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No program has errors and this is true for both Ubuntu and VirtualBox. Some users have discovered that different versions of VirtualBox and Ubuntu are sometimes incompatible with each other.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It only takes a minute to sign up.

I use Ubuntu. Sometimes, the system does not have any response with mouse and keyboard. Is there any way to solve this problem except hitting the reset button on the machine? If you want a way to reboot, without saving open documents, but without hitting the reset button, then there are ways that are less likely to cause data loss.

That should bring you to a virtual consoleas ixtmixilix said. As for fixing the problem without rebooting, without more information about what is going on, it would be difficult to give a good answer.

How to fix Ubuntu freezing in VirtualBox

If you could describe the circumstances under which this occurs the best way to do that is to edit your question to add the informationthen that may help people to give good answers. This might be happening due to an interaction between an application and a window manager --or the X11 server or Wayland. A sign that this is the nature of the problem is if an application stops responding and prevents you from entering input with the keyboard or mouse to other application windows.

No application should be able to do this; some GUI component must have a bug in it for this to occur. If that's what's happening, then you can kill the offending process in a virtual console as ixtmixilix alluded to :. Log in. You won't see anything as you enter your password. That's normal.

Use a utility like ps to figure out the offending program's process name. Sometimes this is easy in Ubuntu, and other times it isn't. For example, the name of an Archive Manager process is file-roller. If you have trouble figuring it out, you can usually find the information online without too much trouble or if you can't, you can post a question about it. You can pipe ps 's output to grep to narrow things down. Suppose it was Archive Manager that was causing the problem.

Then you could run:. You'll see an entry for your own grep command, plus an entry for file-roller. This gives it the chance to do last-minute cleanup like flushing file buffers, signaling to remote servers that it is about to disconnect for protocols that do thatand releasing other sorts of resources. To do this, use the kill command:. The process can ignore that signal, and will do so when malfunctioning under certain circumstances.

ubuntu freeze

So you should check to see that it worked. If it didn't, kill it with SIGKILLwhich it cannot ignore, and which always works except in the rare case where the process is in uninterruptible sleep or if it is not really running, but is rather a zombie process.

Press the up arrow key to bring up previous commands, for ease of typing.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It only takes a minute to sign up.

I use Ubuntu. Sometimes, the system does not have any response with mouse and keyboard.

Installing newer nVidia driver

Is there any way to solve this problem except hitting the reset button on the machine? If you want a way to reboot, without saving open documents, but without hitting the reset button, then there are ways that are less likely to cause data loss.

That should bring you to a virtual consoleas ixtmixilix said. As for fixing the problem without rebooting, without more information about what is going on, it would be difficult to give a good answer.

If you could describe the circumstances under which this occurs the best way to do that is to edit your question to add the informationthen that may help people to give good answers. This might be happening due to an interaction between an application and a window manager --or the X11 server or Wayland.

A sign that this is the nature of the problem is if an application stops responding and prevents you from entering input with the keyboard or mouse to other application windows. No application should be able to do this; some GUI component must have a bug in it for this to occur.

If that's what's happening, then you can kill the offending process in a virtual console as ixtmixilix alluded to :.

Log in. You won't see anything as you enter your password. That's normal. Use a utility like ps to figure out the offending program's process name. Sometimes this is easy in Ubuntu, and other times it isn't. For example, the name of an Archive Manager process is file-roller.

If you have trouble figuring it out, you can usually find the information online without too much trouble or if you can't, you can post a question about it. You can pipe ps 's output to grep to narrow things down. Suppose it was Archive Manager that was causing the problem.

Then you could run:.

ubuntu freeze

You'll see an entry for your own grep command, plus an entry for file-roller. This gives it the chance to do last-minute cleanup like flushing file buffers, signaling to remote servers that it is about to disconnect for protocols that do thatand releasing other sorts of resources. To do this, use the kill command:. The process can ignore that signal, and will do so when malfunctioning under certain circumstances. So you should check to see that it worked. If it didn't, kill it with SIGKILLwhich it cannot ignore, and which always works except in the rare case where the process is in uninterruptible sleep or if it is not really running, but is rather a zombie process.

Press the up arrow key to bring up previous commands, for ease of typing. In rare instances for your own processes, or always with processes belonging to root or another user besides yourself, you must kill the process as root. To do that, prepend sudo including the trailing space before the above kill commands.

If the above commands don't work or you're told you don't have the necessary access to kill the process, try it as root with sudo. By the way, kill -KILL is the same as the widely popular kill It works on x86, but that doesn't mean it will necessarily work everywhere. In this way, kill -KILL is more likely to successfully end the process than kill By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Ask Ubuntu is a question and answer site for Ubuntu users and developers.

It only takes a minute to sign up. All operating systems freeze sometimes, and Ubuntu is no exception.

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What should I do to regain control when When a program window stops responding, you can usually stop it by clicking the X-shaped close button at the top left of the window.

That will generally result in a dialog box saying that the program is not responding but you already knew that and presenting you with the option to kill the program or to continue to wait for it to respond. Sometimes this does not work as expected. Your mouse cursor will then turn into an X. Hover over the offending window and left-click to kill it. Right clicking will cancel and return your mouse to normal. If not, find the name and process ID of its commandand tell the program to end as soon as possible with kill [process ID here].

Note that you should only use SIGKILL as a last resort, because the process will be terminated immediately by the kernel with no opportunity for cleanup. It does not even get the signal - it just stops to exist. Killing a process by kill -9 allways works if you have the permission to kill. In some special cases the process is still listed by ps or top as "zombie" - in this case, the program was killed, but the process table entry is kept, becuse it's needed later. From there you can troubleshoot things.

How To Fix Shutdown Freezing Problem In Ubuntu Linux

I'm not going to get into mouse troubleshooting here, as I haven't researched it. If you just want to try restarting the GUI, run sudo service lightdm restart. This should bring down the GUI, which will then attempt to respawn, bringing you back to the login screen.

First try the Magic SysReq method outlined in Phoenix' answer. If that doesn't work, press the Reset button on the computer case. If even that doesn't work, you'll just have to power-cycle the machine. May you never reach this point. NOTE: There exists less radical way than rebooting the whole system.

NOTE: You should explicitly enable these key combinations. You can change it to 1 or, which is potentially less harmful, To do this:. It will immediately work!Ubuntu Forums Code of Conduct. Page 1 of 2 1 2 Last Jump to page: Results 1 to 10 of Thread: Ubuntu keeps freezing completely.

October 3rd, 1. Join Date Oct Beans 8. Ubuntu keeps freezing completely Ubuntu keeps freezing on my desktop computer. It locks up completely - the mouse stops moving, I can't use Ctrl-Alt-F1, etc. I have to restart it with the power button. Is there any additional information I could provide that would help? Adv Reply. October 3rd, 2. Re: Ubuntu keeps freezing completely I was going to say get a better graphics card, but you have the same one as me!

And you have no lack of memo. Here is the single most important thing you can ever read. October 3rd, 3. Join Date Jun Beans 1, October 3rd, 4. Re: Ubuntu keeps freezing completely kernel. So here is the entire Xorg. October 3rd, 5. Re: Ubuntu keeps freezing completely I would check my computer for hardware errors first, then look further.

Insert Ubuntu startup cd and in startup menu select "check my computer" or similar I do not remember exactly. It will run some test in loop and you leave it alone for about 30 min or so. If there is no errors. If there is no errors consider upgrading kernel. October 3rd, 6. Re: Ubuntu keeps freezing completely Interesting, from what I've read it might be releated to how you log on, could you try something for me, reboot and press escape to show the grub menu if it isn't there by default, press e to edit the ubuntu line, e again on the line that starts kernelat the end insert a space and 3, then press enter followed by b to boot.

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Log in on the command line, then type Code:. October 3rd, 7. Re: Ubuntu keeps freezing completely. Originally Posted by azurfire. Ubuntu keeps freezing on my desktop computer.


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