##keywords restore grub recover ubuntu ||<>|| This page documents how to reinstall Microsoft Windows without losing Ubuntu. = Procedure = == If Ubuntu is installed the standard way (outside Windows) == * Backup your documents on an external disk (or DVDs...) * Reinstall Windows * Restore GRUB (eg via [[Boot-Repair]]) == If Ubuntu is installed inside Windows (via the Wubi installer) == * Backup your documents * Backup the wubi files (generally located in C:\ubuntu\disks\) * Either: - [[https://wiki.ubuntu.com/WubiGuide/#How_do_I_migrate_to_a_real_partition.2C_and.2BAC8-or_get_rid_of_Windows_entirely.3F|migrate Ubuntu outside Windows]], then reinstall Windows, then restore GRUB (eg via [[Boot-Repair]]). - Or reinstall Windows, then reinstall Wubi and restore the Wubi files. = See also = * [[Wubi]] ---- CategoryLive CategoryBackupRecovery CategoryBootAndPartition CategoryInstallation CategoryBootAndPartition