Technical Support Bulletin

Disable fast startup feature to perform a complete shutdown in Windows 10

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 Operating System:
Windows 10 - 32 Bit, Windows 10 - 32 Bit - Upgrade, Windows 10 - 64 Bit, Windows 10 - 64 Bit - Upgrade, Windows 8 - 32 Bit, Windows 8 - 64 Bit, Windows 8 - Upgrade, Windows 8.1 - 32 Bit, Windows 8.1 - 64 Bit, Windows 8.1 - Update
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Since Windows 8, when shutting down a computer, fast startup feature (hybrid shutdown mode) is enabled by default.


In case fast startup feature is enabled, Windows 10 (and previous Windows 8 / 8.1) accomplish a partial hibernation in which the Kernel session and device drivers are saved to disk (instead of performing a cold boot in which everything has to be loaded, for example the OS kernel, applications, etc.).

When Windows is starting up, it loads up from that hibernation file, which makes boot time much faster.

This document describes how to perform a complete shutdown of the operating system for a single time and how to disable fast startup entirely. Please note, disabling fast startup is extending boot times of the operating system. However it might help to sort out or isolate unusual behaviour of the operating systes, applications or devices.


How to perform a complete shutdown in Windows 10

Note: Windows 8 / 8.1 settings may look different

This partial hibernation feature is called Fast Startup in Windows 10 and it is enabled by default. Within the Additional power Options in the Control Panel select Choose what power button does on the left side. Remove the checkmark at Turn on fast startup (recommended) and save the changes. This will disable fast startup feature completely.

Performing a complete shutdown for a single time

  • If you wish to disable fast startup only for one time, first click on the Windows Logo in the task bar.

    Next, hold down "Shift key" and while holding down shift key click on "Shut down":

    After starting the operating system next time, fast startup feature is still enabled, but a full shutdown has been accomplished for one time.

How to entirely disable fast startup feature

  1. Press the Windows key + X key combination and select Power Options

  2. Click on Additional power settings on the right side

  3. Click on Choose what the power button does

  4. Click on Change settings that are currently unavailable

  5. Scroll down to Shutdown settings and remove the checkmark at Turn on fast startup (recommended). Next click on the button Save changes

  6. From now on a complete shutdown will be performed instead of a hybrid shutdown (fast startup)


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