What is Fast Boot In Windows 11

Fast Boot (or Fast Startup) is a feature in Windows that helps your computer start up faster after shutdown. When enabled, Fast Boot essentially saves a part of the system state (such as the kernel session and drivers) to a hibernation file, so when you boot up, Windows doesn't need to load everything from scratch. This can significantly reduce startup times.

However, Fast Boot can sometimes cause issues with uptime reporting or system behavior, especially if your system isn’t fully shutting down during the process.

How to Disable or Check Fast Boot:

If you want to disable Fast Boot (which might help with the incorrect uptime display), here's how to do it:

  1. Open Power Options:

    • Press Windows + X and select Power Options.
    • Click Additional power settings on the right side (under "Related settings").
  2. Change what the power buttons do:

    • On the left sidebar, click Choose what the power buttons do.
  3. Change settings that are currently unavailable:

    • Click on Change settings that are currently unavailable to enable the option to modify shutdown settings.
  4. Disable Fast Startup:

    • Scroll down and uncheck the box for Turn on fast startup (recommended).
    • Click Save changes.
What is Fast Boot In Windows

What Happens When You Disable Fast Boot?

  • Disabling Fast Boot will make your system perform a full shutdown when you turn it off (instead of using the hibernation method).
  • The system will take slightly longer to start up, but this might solve any odd behavior like the incorrect uptime issue you're experiencing.

Let me know if that helps, or if you have any more questions!


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