How to reinstall Linux Ubuntu on my PC to repair and recover damaged, lost or deleted files

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Philippe Gloaguen
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If you've wondered how reinstall Linux Ubuntu on my PC ?, or because the system becomes slow, or you just want to restore it to factory state, because here we will explain how to do it without losing files.

Like any other operating system, Ubuntu can be affected by bugs and problems , this usually happens when we have been using the operating system for a long time. Ubuntu, like other Linux distributions, has a large number of tools, which we can access from the beginning.



How to reinstall Linux Ubuntu to repair and recover files?

First, as usual, it doesn't hurt to back up your files. This is to avoid losses due to human error during reinstallation. This is something that will take no time and can be very useful.

You also need to have the ISO image of the system to be able to install it, this can be obtained from any Linux systems database, if you still keep the previous one, you will also need it.

First you need to boot the ISO image to a USB drive, after which we will proceed to restart the computer. While it turns on we have to press the start key, usually it is the F11, but this varies depending on the model of computer you have. In some cases when turned on it appears in a corner that is the indicated button. Pressing it will open a window with all units connected to the PC , you have to choose the one for your pendrive.

Usually in Linux installations , a black window appears with a list of options. Here we will only have to select install, after which the installer will open and in this menu you will first have to choose the language and click Next, then you will have to select to install the multimedia packages and finally and most importantly, click on "reinstall". In this way, no files will be deleted.



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What happens to my computer when I reinstall Ubuntu?

When we install an operating system, what we do is copy some key files from USB to main disk. This provides the information necessary for all system files to be installed. This is the common way to install an operating system and it is almost always done from scratch.

For this reason all files are deleted , as the installation wizard itself does a quick format to our unit. By allowing it to be cleaned of any viruses or corrupted files, personal data is lost in this type of installation, so it is not recommended in cases where information cannot be lost.

In this particular case, what we are doing is a similar process but eliminating the factor that deletes files. When we reinstall a system, we don't format the hard drive but we replace instead the original files with the new ones , thus allowing for error correction.

Depending on the Ubuntu version we will install, we may have a different tool. So we have to take into account what our needs are in order to choose the best version.

What reasons may lead me to want to reinstall my system?

Ubuntu is one of the Linux distributions most used nowadays, which has a very nice graphical interface. In addition to being based on Linux, it does not require special attention.


However, although it is common to think that this system is completely safe against attack. The reality is that Viruses have been developed that can damage it , so currently you need to be careful when installing applications.


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The reasons why someone needs reinstall Ubuntu they can be very different, but it is usually due to some error while installing a plug-in. And that this is responsible for the partial corruption of the system or the elimination of utilities from it.


Fortunately, that's not necessary for us to lose our files during this operation and in case a backup is impossible. We will be able to perform the same process and will not lose our database.

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