How do I unfreeze Ubuntu GUI?

While logged in to your GNOME desktop press ALT + F2 key combination. Into the Enter a Command box type r and press Enter. Another alternative to do the GUI restart trick might be the most obvious to simply re-login.

What can I do when Ubuntu freezes?

Maybe you can:

1. go do the Ctrl + Alt + F1.
2. run pm-suspend (will suspend the machine)
3. start the machine; you should get the machine back to the state before the screen freezes (at least for me it did)

How do I kill an application in Ubuntu?

Now, whenever an become unresponsive, you can just press the shortcut key “ctrl + alt + k” and your cursor will become a “X”. Click the “X” on the unresponsive app and it will kill the application.

What causes Ubuntu to freeze?

If you are running Ubuntu and your system randomly crashes, you may be running out of memory. Low memory could be caused by opening more applications or data files than will fit in the memory you have installed. If that is the problem, do not open so much at one time or upgrade to more memory on your computer.

How do I get my Ubuntu 18.0 4 GUI back from TTY?

You can get a full-screen tty terminal by pressing Control-Alt-F1 though F6. To get back to the GUI, press Control-Alt-F7.

What is the Ctrl Alt Del for Ubuntu?

For that press and hold the Ctrl and Alt keys and then hit the Del key. If you pressed the wrong keys, you can hit cancel and start from the Step 2 again. Step 5: It may show you a warning that the shortcut Ctrl+Alt+Del is already being used for logging out. It’s okay.

How do you close an unresponsive program in Linux?

So, the next time a Linux application or utility hangs and becomes unresponsive, all you need to do is apply one of these solutions:

1. Click the X in the corner.
2. Use the System Monitor.
3. Use the xkill app.
4. Employ the kill command.
5. Close Linux apps with pkill.
6. Use killall to close software.

How do I restart my desktop if my Linux GUI freezes?

The following restart GUI solution is guaranteed to restart your desktop even if your GUI froze while the system is still functioning. However, it needs administrative sudo privileges. Either enter the sudo systemctl restart systemd-logind command directly into the terminal while in GUI.

What happens when Ubuntu freezes up?

Ubuntu All operating systems freeze sometimes, and Ubuntu is no exception. It so happens that when Ubuntu Freezes, all you’re left with is a blank screen or a non-working mouse/keyboard or perhaps you have a particular program that has crashed/frozen.

How do I restart the GUI in GNOME?

The first method is the least destructing, however, it might not provide the expected result. While logged in to your GNOME desktop press ALT + F2 key combination. Into the Enter a Command box type r and press Enter. Another alternative to do the GUI restart trick might be the most obvious to simply re-login.

How do I restart the GUI in Linux terminal?

Into the Enter a Command box type r and press Enter. Another alternative to do the GUI restart trick might be the most obvious to simply re-login. In this scenario we simply restart the gnome-shell as non-privileged user. Open up terminal and enter the gnome-shell –replace command.