Fast startup is a handy feature on Windows that speeds up boot times by preventing the PC from shutting down completely. When enabled, it saves part of the system state to a hibernation file on your ...
You can set a hibernation time for your computer in Windows 11, though you might need to enable the feature first.
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How to disable fast startup in Windows 11

Fast startup is a feature in Windows 11 that helps your computer boot up faster after being shut down. It's a useful ...
Windows 11's fast startup function makes your PC boot up quicker than it otherwise would, but, depending on use case, you might want it disabled.