Fast Startup is a feature that speeds up the boot process on Windows systems after shutdown. By default Fast Startup is enabled which prevents a full shutdown and can cause firmware-related malfunctions.

Please refer to the appropriate instructions for your Windows operating system to disable Fast Startup.

• Windows 11
• Windows 10

Windows 11

1. Type and search Choose a power plan in the Windows search bar, and then click Open.
   
2. Click Choose what the power button does.
   
3. If the fast startup option is grayed out in Shutdown settings, please click Change settings that are currently unavailable.
   
4. Unselect Turn on fast startup, and then click Save changes, your device will disable the Fast Startup feature in Windows.
   

Windows 10

1. Type and search Power & sleep settings in the Windows search bar, and then click Open.
   
2. Click Additional power settings.
   
3. Click Choose what the power button does.
   
4. If the fast startup option is grayed out in Shutdown settings, please click Change settings that are currently unavailable.
   
5. Unselect Turn on fast startup, and then select Save changes, your device will disable the Fast Startup feature in Windows.