Fast Startup is one of the new features built into Windows 10, 8.1 and 8. Operating system allows your computer to boot faster. Fast Startup, also known as Hybrid-boot or Hybrid Shutdown. The reason is that when you turn off the computer (or log off), the system will save a system dirver part and files to hibernate file (hiberfil.sys) and when you open the computer for use, It will use information from these files to open faster. By default Fast Startup (Hybrid Shutdown) is enabled on Windows 10, 8 and 8.1 operating systems. However, quite a lot of users reflect that when activating Fast Startup mode, their computers often restart or hang. Also when Fast Startup mode is activated on Dual Boot system (Windows 8 operating system and other operating systems), Fast Startup does not allow users to access other operating systems. For some reason you want to disable the Fast Startup feature, refer to the steps to disable Fast Startup on Windows 10, 8.1 and 8 in the following article of Network Administrator.


1. Disable Fast Startup on Windows 10, 8 and 8.1

1. Press the Windows + R key combination   to open the Run command window.

2. On the Run command window, enter  Control Panel  there and press Enter to open the Control Panel window.

Run command window

3. Next on the Control Panel window, change the  View By item  (in the top right corner) to  Small icons , then click  Power Options .

select Power Options

4. Next on the Power Options window, in the left pane, click  Choose what the power buttons do.

choose Choose what the power buttons do

5. Click Next  Change settings that are currently unavailable.

Change settings that are hiện thời không sẵn sàng

6. Scroll down to find and leave the  Turn on fast startup option (recommended) , then click  Save changes.

uncheck the option Turn on fast startup (recommended)


If the Turn on fast startup (recommended) option is lost on the System Settings window, then you must enable Hibernate mode on your Windows computer.

To enable Hibernate mode on your Windows computer, you can refer to the steps in the section below.

2. Display Turn on fast startup option (activate Hibernate mode)

If the Turn on fast startup (recommended) option is lost on the System Settings window, Hibernate mode on your computer is disabled.

Display Turn on fast startup option

In this case, just enable Hibernate on the system to display the Turn on fast startup option. To do this, follow the steps below:

1. Press Windows + F key combination   to open the Search frame.

2. At the Search frame, enter the  command prompt , then click  Apps.

choose Apps

3. Next right-click the Command Prompt (in the left pane), select  Run as administrator.

select Run as administrator

Select  Yes  if the UAC warning window appears.

4. On the Command Prompt window, enter the command below and press Enter to activate Hibernate:

powercfg / hibernate on

Enter the command

5. Finally close the Command Prompt window, then reopen Control Panel, and you should now see the Fast Startup option.

3. Use Group Policy Editor

Note: Group Policy Editor is only available on 2 versions of Windows 8 Pro and Windows 8 Enterprise Edition.

To open Group Policy Editor , press Windows + R key combination to open the Run command window, then enter  gpedit.msc in the Run command window and press Enter.

On the Local Group Policy Editor window, navigate to the path:

Computer Configuration> Administrative Templates> Systems> Shutdown

Next in the right pane, double-click the "Require use of fast startup" option as shown below:

Disable the Fast Startup option on Windows 8 

Next, to disable the Fast Startup option , select the Enable item as shown below and click Apply > OK.

Disable the Fast Startup option on Windows 8 

To confirm the change, open the Run dialog box , type the command line gpupdate / force > press Enter and you 're done.

4. Use Registry Editor

First, press the "Windows + R" key combination to open the Run command window, then enter regedit in the Run window and press Enter to open the Registry Editor.

On the Registry Editor window , navigate to the key:

HKEY_LOCAL_MACHINE SOFTWARE Policies Microsoft Windows System

Next, right-click an empty area in the right pane, select New > DWORD (32-bit) Value and name this item "HiberbootEnabled".

Disable the Fast Startup option on Windows 8

By default, when newly created, the HiberbootEnabled item will be set to zero, meaning users can still change the Fast Startup feature settings in the Power Options section . To prevent users from changing, double-click the newly created key, change the default value to 1 and restart the computer.

Disable the Fast Startup option on Windows 8

You can check it from the Desktop screen , move the mouse pointer to the right corner of the screen, select Settings> Control Panel. In the Control Panel interface window ,continue searching and open Power Options > select "Choose what the Power button do" on the left side. At this point, you see the "Turn on Fast Startup (Recommended)"item is locked and grayed out as shown below.

Disable the Fast Startup option on Windows 8

Refer to some of the following articles:

Good luck!