System does not work after latest update

[maycne.sonahoz]

Sorry for your loss, though you may have gained knowledge from that experience.

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Here are some pointers from your story.

@inverser

But when I start Google Chrome, Opera, the system freezes.

This may have been helpful: [HowTo] Find error logs

@inverser

After rebooting by physically turning off the computer and turning it on with the button, I found that all my system settings had gone wrong and had taken the default settings.
[…]
As is usually the case in such cases, I tried to restore the system (on the SSD with the saved pictures on the SSD in TimeShift on the HDD).

If they went back to default settings, there probably was an issue with your user settings, which are within your home folder. Restoring the system may not have any effect, unless you changed Timeshift settings to also include your home folder – which doesn’t by default.

@inverser

As is usually the case in such cases, I tried to restore the system (on the SSD with the saved pictures on the SSD in TimeShift on the HDD).
However, after I booted from the HDD and went into timeShift, selecting the btrfs (file system on the SSD) settings, I found that there was not a single snapshot, although I took at least 4-6 backup snapshots just in case.

If you configured timeshift to take BTRFS snapshots of your system on the SSD, the partitions should be on the SSD – most likely the ones you found afterwards. In order to save snapshot on a distinct drive, you need to use the RSYNC mode.

@inverser

When searching for information about my case, I found that there are TimeShift snapshots in my system on the SSD, however, all info.json files are damaged in them

As in, they were not readable? The content was corrupted? Or simply wouldn’t work with the latest browsers’ version?

@inverser

I tried various kernels (all available), tried to remove the nvidia driver (but I couldn’t do it at that time).

Do you remember which kernels were installed?
If you kept EOL kernels installed, the update may have removed driver because of dependency incompatibility, since they couldn’t work with those kernels.

@inverser

Due to the fact that it stopped responding and because deleting TimeShift snapshots, I deleted (accidentally [epicfail]) all data from the SSD…/…home folder, because I did not know that the folders in / run /timeshift/@* are just links to actual folders on the system.

Did you do so manually, instead of using timeshift?

@inverser

I came up with the brilliant idea to completely format the SSD disk before installation, and only then I was able to fully install the system on it.
That is, with disk encryption already present, the operating system was NOT installed on it with different installation data, before I formatted it completely.

I believe the partition would have been reformatted anyway. AFAIK there is no option to “repair system” in calamares.

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Think about coming to us earlier next time.

[HowTo] Troubleshoot anything

Difficulty: ★☆☆☆☆ Experiencing an unexpected issue is never an enjoyable moment. Yet very often, resolving it is actually a matter of simply reading the messages forwarded to the user, and acting accordingly. Find error messages Very often when an applications crashes, and sometimes when it misbehaves, it prints an error message somewhere. If the message appears on screen, like in a popup or in the terminal, do read it. In most cases, it hints at what goes wrong (a missing file, a wrong con…