Ubuntu 20.04 Installer Doesn't Recognize Disk Partitions

Solution 1:

The windows drive "C" is encrypted with Bitlocker, to proceed with installing Ubuntu you need to:

  1. Disable Bitlocker from "Bitlocker manager" in Windows

  2. Boot from the live ubuntu usb and proceed to install ubuntu

  3. Go back to Windows and reenable Bitlocker(make sure to save your recovery key)

References

  • https://itsfoss.com/dual-boot-ubuntu-windows-bitlocker/