Need to reinstall your PC's operating system?Use the Dell OS Recovery Tool to create a USB recovery drive that you can use to reinstall the OS that came with your PC.of Windows 7 8 or 10https://www.dell.com/support/home/us/en/19/drivers/osiso/recoverytool/
or Linux https://www.dell.com/support/home/us/en/19/drivers/osiso/recoverytool/Linux
What you will need
Service Tag of the Dell PC on which you want to install Microsoft Windows or Linux
Open a terminal window via CTRL ALT T
sudo dmidecode -s system-serial-number
You will need this to download your recovery image.
Download and install Dell OS Recovery Tool https://www.dell.com/support/home/Drivers/OSISO/recoverytool(runs in Microsoft Windows only)Blank USB flash drive 16GB or 32GBMicrosoft .Net Framework 4.7.2 https://support.microsoft.com/en-us/help/4054530/microsoft-net-framework-4-7-2-offline-installer-for...
Administrator user rights and at least 16GB of available storage space to download the Dell ISO recovery image
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