In other words, Windows 10 versions will turn on Fast Startup although you disabled the respective setting. There are two main implications of this fact:

The Windows 10 Fast Startup feature prevents you from mounting your NTFS partitions in Linux. This means that you’ll need to reboot from Windows into Ubuntu. If one of the two partitions is set to automount in /etc/fstab, you will get random black or purple screens after rebooting from Windows to Ubuntu. In this case, you can’t really do anything else but hit CTRL+ALT+DELETE.

Dual-boot system users really hate Microsoft’s strategy, but somehow got accustomed to it since new Windows 10 versions do tend to overwrite previous user settings: In the guide below we will show you the recommended method to disable the Fast Startup option.

How can I disable Windows 10 Fast Startup dual boot?

1. Go to Start > type control panel > double click on the first result to launch the Control Panel app. 2. Go to the Search box > type power > select Power Options.

  1. Go to Choose what the power buttons do.

  2. Enter your administrator username and password if prompted. If not, go to the next step.

  3. Uncheck Turn on fast startup (recommended).

  4. Save changes.

If you want to turn off Fast Startup on dual boot Windows 10 latest versions, you can use the Control Panel. It is a built-in tool which allows you to toggle Fast Startup on and off with a few clicks.

If you cannot disable Fast Startup using this solution, we have another article with further methods. Let us know in the comments section below if you have any questions about our solution.

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