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@Silas Demez wrote:

Can somebody help me?

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You couldn't Google it yourself?

https://www.google.com/search?q=2000-0146

Your HDD has failed follow my guide to backup your data onto an external hard drive:

https://dellwindowsreinstallationguide.com/data-recovery-using-fedora-2/

Once you've done this, replace your Hard Drive with a Solid State Drive and clean install Windows 10. See my guides here for detailed installation instructions:

https://dellwindowsreinstallationguide.com/windows-oem-faqs-and-downloads/