Disable Fast Startup Windows 11 – Complete Guide (2026)

Disable Fast Startup Windows 11 is one of the most common troubleshooting steps for users experiencing boot issues, wake-on-LAN failures, or system freezes. Fast Startup (also known as Hybrid Boot or Hiberboot) is a Windows feature that saves the kernel session and loaded drivers to the hibernation file (hiberfil.sys) to speed up boot times[reference:0]. According to Microsoft Q&A, Fast Startup can cause inconsistent driver or kernel states on cold boot versus full restart[reference:1]. This comprehensive Disable Fast Startup Windows 11 guide covers 10 proven methods to turn off this feature and resolve related issues.

When you search for Disable Fast Startup Windows 11, you are likely dealing with issues like dual-boot file system conflicts, wake-on-LAN not working, or system freezes after login. According to XDA Developers, Fast Startup can cause random wake-ups, prevent proper shutdown, and interfere with driver and update installations[reference:2]. This Disable Fast Startup Windows 11 guide walks you through every method needed to turn off this feature.

1. Understanding Fast Startup and Why You Should Disable It

Fast Startup is a Windows feature that combines shutdown and hibernation to help the system start up more quickly[reference:5]. Rather than entirely shutting down your system, Windows saves a kernel session and loads drivers into a hibernation file (hiberfil.sys)[reference:6].

Common reasons to disable Fast Startup include:

• Dual-boot systems: Fast Startup can cause file system conflicts when accessing the same drive from another OS[reference:7].
• Wake-on-LAN not working: Fast Startup prevents full shutdown, which can break WoL functionality[reference:8].
• Driver and update issues: Some drivers and updates require a full reboot, which Fast Startup bypasses[reference:9].
• System freezes and slow performance: Fast Startup can cause inconsistent driver or kernel states on cold boot[reference:10].
• Random wake-ups: Fast Startup enables certain wake timers and power settings tied to hibernation[reference:11].
• Hibernation file corruption: Corrupted hiberfil.sys files can cause boot errors[reference:12].

Understanding these root causes is the first step in any Disable Fast Startup Windows 11 guide.

2. Disable Fast Startup Windows 11 Using Control Panel

The Control Panel method is the most common way to disable Fast Startup. According to Microsoft Q&A, you can disable Fast Startup through Power Options[reference:13].

Step 1: Press Windows + R, type "control panel," and press Enter[reference:14]
Step 2: Set View by to "Category" (top right)
Step 3: Click "Hardware and Sound"[reference:15]
Step 4: Click "Power Options"[reference:16]
Step 5: Click "Choose what the power buttons do"[reference:17][reference:18]
Step 6: Click "Change settings that are currently unavailable"[reference:19]
Step 7: Uncheck "Turn on fast startup (recommended)"[reference:20][reference:21]
Step 8: Click "Save changes"[reference:22]

According to ASUS support, if the fast startup option is grayed out, you need to click "Change settings that are currently unavailable" first[reference:23].

Outcome: Fast Startup is disabled through Control Panel.

3. Disable Fast Startup Windows 11 Using Command Prompt

Command Prompt provides a quick way to disable Fast Startup. According to Pureinfotech, you can use the powercfg /h off command[reference:24].

Step 1: Click Start, type "cmd" or "Command Prompt"
Step 2: Right-click Command Prompt and select "Run as administrator"[reference:25]
Step 3: Type the following command and press Enter:
    powercfg /h off[reference:26][reference:27]

Alternative command:
    powercfg -h off[reference:28]

According to MundoBytes, this command completely disables hibernation, which also disables Fast Startup[reference:29].

Outcome: Hibernation and Fast Startup are disabled using Command Prompt.

4. Disable Fast Startup Windows 11 Using PowerShell

PowerShell offers another command-line method to disable Fast Startup. According to MundoBytes, you can use the powercfg /hibernate off command[reference:30].

Step 1: Click Start, type "PowerShell"
Step 2: Right-click PowerShell and select "Run as administrator"[reference:31]
Step 3: Type the following command and press Enter:
    powercfg /hibernate off[reference:32]

To re-enable Fast Startup in the future:
    powercfg /hibernate on[reference:33]

Outcome: Hibernation and Fast Startup are disabled using PowerShell.

5. Disable Fast Startup Windows 11 Using Registry Editor

For advanced users, the Registry Editor provides a way to disable Fast Startup. According to TheWindowsClub, you can modify the HiberbootEnabled registry value[reference:34].

Step 1: Press Windows + R, type "regedit," and press Enter[reference:35]
Step 2: Navigate to:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Power[reference:36]

Step 3: Find "HiberbootEnabled" on the right side
Step 4: Double-click it and change the Value data from 1 to 0[reference:37]
Step 5: Click OK

If HiberbootEnabled does not exist:
Step 6: Right-click in the right pane → New → DWORD (32-bit) Value
Step 7: Name it "HiberbootEnabled"
Step 8: Set the Value data to 0
Step 9: Restart your computer

According to a Microsoft Q&A user, setting HiberbootEnabled to 0 disables Fast Startup[reference:38].

Outcome: Fast Startup is disabled through Registry Editor.

6. Disable Fast Startup Windows 11 Using Group Policy

For Windows 11 Pro and Enterprise users, Group Policy provides centralized management. According to TheWindowsClub, you can disable Fast Startup through Group Policy[reference:39].

Step 1: Press Windows + R, type "gpedit.msc," and press Enter[reference:40]
Step 2: Navigate to:
    Computer Configuration → Administrative Templates → System → Shutdown[reference:41]

Step 3: Find "Require use of fast startup" or "Turn off fast startup"
Step 4: Double-click the policy
Step 5: Select "Disabled" to disable Fast Startup
Step 6: Click Apply → OK

According to GuidingTech, Group Policy provides an alternative when Control Panel settings are unavailable[reference:42].

Outcome: Fast Startup is disabled through Group Policy.

7. Fix “Fast Startup Option Missing” in Windows 11

If the Fast Startup option is missing from Power Options, hibernation may be disabled. According to Microsoft Q&A, Fast Startup requires hibernate to be enabled[reference:43].

Step 1: Open Command Prompt or PowerShell as Administrator
Step 2: Enable hibernation:
    powercfg /h on[reference:44]

Step 3: Open Control Panel → Power Options → Choose what the power buttons do
Step 4: Click "Change settings that are currently unavailable"
Step 5: The Fast Startup option should now appear[reference:45]

If the option is still missing:
Step 6: Open Command Prompt as Administrator
Step 7: powercfg /hibernate on
Step 8: Restart your computer and check again

According to a Microsoft Q&A discussion, Fast Startup requires hibernate to be enabled[reference:46].

Outcome: The Fast Startup option reappears in Power Options.

8. Fix “Fast Startup Option Greyed Out” in Windows 11

If the Fast Startup option is greyed out, you need to click “Change settings that are currently unavailable.” According to ASUS support, this is the standard fix[reference:47].

Step 1: Open Control Panel → Power Options
Step 2: Click "Choose what the power buttons do"
Step 3: Click "Change settings that are currently unavailable"[reference:48]
Step 4: The Fast Startup option should now be editable
Step 5: Uncheck "Turn on fast startup (recommended)"[reference:49]
Step 6: Click Save changes[reference:50]

If the option remains greyed out:
Step 7: Open Command Prompt as Administrator
Step 8: powercfg /h on
Step 9: Restart your computer
Step 10: Repeat steps 1-6

According to HP support, this is a common issue that can be resolved by clicking "Change settings that are currently unavailable"[reference:51].

Outcome: The greyed-out Fast Startup option becomes editable.

9. Reset Hibernation and Fast Startup

If Fast Startup is failing due to corrupted files, resetting hibernation can help. According to TheWindowsClub, corrupted hibernation files can disrupt the boot optimization process[reference:52].

Step 1: Open Command Prompt or PowerShell as Administrator
Step 2: Disable hibernation:
    powercfg /h off[reference:53]

Step 3: Restart your computer
Step 4: Open Command Prompt as Administrator
Step 5: Enable hibernation:
    powercfg /h on[reference:54]

Step 6: According to an ElevenForum user, this forces Windows to recreate hiberfil.sys[reference:55]
Step 7: Optionally, disable Fast Startup using Control Panel (Method 1)

Alternative: Reset Fast Startup via Registry
Step 8: Open Registry Editor
Step 9: Navigate to: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Power
Step 10: Set HiberbootEnabled to 0, then restart[reference:56]

Outcome: Hibernation and Fast Startup are reset, resolving corruption issues.

10. Disable Fast Startup Windows 11 for Wake-on-LAN

Fast Startup is a common cause of Wake-on-LAN failures. According to Microsoft Q&A, disabling Fast Startup resolves WoL issues[reference:57].

Step 1: Disable Fast Startup using Control Panel (Method 1)
Step 2: Open Device Manager → Network adapters
Step 3: Right-click your Ethernet adapter → Properties → Advanced tab
Step 4: Set "Wake on Magic Packet" to Enabled
Step 5: Go to Power Management tab
Step 6: Check "Allow this device to wake the computer"
Step 7: Check "Only allow a magic packet to wake the computer"
Step 8: Restart your computer

According to an ElevenForum discussion, if you enable Fast Startup and then shutdown, you are NOT really doing a standard shutdown, which breaks WoL[reference:58].

For Intel i226-V adapter users, according to Microsoft Q&A, an NVM fix from the motherboard manufacturer may be required.

Outcome: Fast Startup is disabled, allowing Wake-on-LAN to work properly.

11. Frequently Asked Questions

How do I disable Fast Startup in Windows 11?

Open Control Panel → Power Options → Choose what the power buttons do → Change settings that are currently unavailable → Uncheck “Turn on fast startup (recommended)” → Save changes[reference:59][reference:60].

Why is Fast Startup greyed out in Windows 11?

According to ASUS support, you need to click “Change settings that are currently unavailable” first[reference:61]. If it remains greyed out, enable hibernation with powercfg /h on in Command Prompt.

Why is Fast Startup missing in Windows 11?

According to Microsoft Q&A, Fast Startup requires hibernation to be enabled[reference:62]. Enable hibernation with powercfg /h on in Command Prompt.

How do I disable Fast Startup using Command Prompt?

Open Command Prompt as Administrator and run: powercfg /h off[reference:63].

How do I disable Fast Startup using PowerShell?

Open PowerShell as Administrator and run: powercfg /hibernate off[reference:64].

Does disabling Fast Startup affect boot time?

Yes. Disabling Fast Startup will increase boot time because your PC performs a full shutdown and complete system initialization instead of loading from the hibernation file[reference:65].

Will disabling Fast Startup fix Wake-on-LAN issues?

Yes. According to Microsoft Q&A, disabling Fast Startup is essential for WoL to work properly[reference:66].

Can I disable Fast Startup via Registry?

Yes. Open Registry Editor, navigate to HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Power, set HiberbootEnabled to 0[reference:67].

Can I disable Fast Startup via Group Policy?

Yes (Windows 11 Pro/Enterprise). Open gpedit.msc, navigate to Computer Configuration → Administrative Templates → System → Shutdown, and disable the Fast Startup policy[reference:68].

Where can I find more Windows 11 troubleshooting help?

Explore our Windows 11 Troubleshooting Hub and guides on how to enable Wake on LAN Windows 11 and network adapter power management.

12. Conclusion

Disable Fast Startup Windows 11 is an essential troubleshooting step for users experiencing boot issues, wake-on-LAN failures, dual-boot conflicts, or system freezes. This guide has covered 10 proven methods—from Control Panel and Command Prompt to PowerShell, Registry Editor, Group Policy, and troubleshooting missing or greyed-out options. According to XDA Developers, Fast Startup can cause random wake-ups, prevent proper shutdown, and interfere with driver and update installations[reference:69].

Start with the simplest method — using Control Panel — and escalate to Command Prompt or Registry only if needed. For more Windows troubleshooting, explore our Windows 11 Troubleshooting Hub and guides on how to enable Wake on LAN Windows 11 and network adapter power management.

With the right approach from this Disable Fast Startup Windows 11 guide, you can resolve boot issues and keep your system running smoothly.

For more Windows troubleshooting, explore our Windows 11 Troubleshooting Hub and guides on network performance optimization and packet loss optimization. With the right approach, you can resolve any Fast Startup issues and keep your system stable.