When it comes to Windows 10, the Fast Startup feature can be a double-edged sword. It promises quicker boot times, but it might not always be the best option for every user. In this comprehensive guide, we’ll walk you through the reasons why you might want to disable Fast Startup and provide step-by-step instructions on how to do it.

What Does Fast Startup Do in Windows 10?

Fast Startup, as the name suggests, is designed to make your computer boot up faster. It achieves this by combining a regular shutdown with elements of hibernation. When you shut down your PC with Fast Startup enabled, Windows saves the system kernel, drivers, and current system state to a hibernation file. Unlike traditional hibernation, your login sessions and running apps are not saved.

When you power your computer back on, Windows loads these saved elements (kernel, drivers, and system state) into the RAM, allowing you to swiftly access your desktop. This is the core mechanism of Fast Startup in Windows 10.

Why Disable Fast Startup?

While Fast Startup can significantly reduce boot times, there are several situations where you might consider disabling it:

1. Windows Updates:

Fast Startup can interfere with the installation of Windows updates. Updates often require a full shutdown to take effect, while Fast Startup only performs a reboot. By disabling Fast Startup, you ensure that Windows updates are installed correctly.

2. Encrypted Disk Images:

Managing encrypted disk images can be troublesome with Fast Startup enabled. Disabling it can help you manage such disk images more effectively.

3. Dual-Booting:

If you run multiple operating systems on your PC and need access to your Windows drive while using another OS, disabling Fast Startup is essential.

4. Accessing BIOS/UEFI:

Fast Startup can sometimes prevent you from accessing your computer’s BIOS or UEFI settings. If you encounter difficulties entering the BIOS, disabling Fast Startup is a necessary step.

How to Turn Off Windows 10’s Fast Boot Feature

Now, let’s walk through the process of disabling Fast Startup:

Right-click the “Start” menu icon and select “Power Options.”

On the ” ” screen, click Additional Power Settings” in the right sidebar. A “Power Options” window will open. In the left sidebar, click “Choose What the Power Buttons Do.

At the top of the following page, select “Change Settings That Are Currently Unavailable.” This ensures you can toggle off the Fast Startup option.

On the same page, uncheck the “Turn On Fast Startup” option. Then, at the bottom, click “Save Changes.”

You’ve now successfully disabled the Fast Startup feature on your Windows 10 PC. Should you decide to re-enable it in the future, follow the same process, but remember to check the “Turn On Fast Startup” box before saving your changes.

In conclusion, while Fast Startup can enhance your Windows 10 experience in terms of boot times, it’s essential to understand when and why to disable it. By following these steps, you can take control of your system’s startup behavior and ensure that it aligns with your specific needs. So, whether it’s for smoother updates, better disk management, or easier access to BIOS settings, you now have the knowledge to make an informed decision about Fast Startup on Windows 10.


Anu Watson is a web developer and tech enthusiast, currently contributing to TechMag. With expertise in web development and a passion for technology, she shares insightful articles on various tech-related topics, including AI, chatbots, and the latest advancements in the world of Artificial Intelligence. Her contributions aim to unravel complex concepts and provide readers with a better understanding of cutting-edge technologies.

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