Why Does My Ubuntu Keep Freezing?

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 fix Ubuntu from freezing?

OK, then: If the Ubuntu GUI doesn’t show up or freezes just use Ctrl + Alt + F1 to switch to a terminal.
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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 fix Ubuntu 18.04 LTS random freezes?

Unleash Ubuntu 18.04 and update the kernel.
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5 Answers

1. Go to Software & Updates. Go to additional drivers tab and wait for the options to load.
2. Chose Nvidia driver meta-package from nvidia-driver-304. Click apply changes and wait for the driver to install.
3. You can also increase you swap space.