When hibernation is enabled, Windows 11 writes a large file (`hiberfil.sys`) to the SSD every time the computer shuts down. This file contains the current state of the RAM to allow for a quick resumption of work. However, this results in frequent write operations, which can shorten the lifespan of the SSD.
2.) Solution: Disable sleep mode
Here's how to safely disable the feature:
1. Open the command prompt as administrator:
- Press Windows + S , type "Command Prompt" .
- Right-click on "Command Prompt" and select "Run as administrator" .
- Confirm the User Account Control (UAC) prompt with "Yes" .
2. Execute the disabling command:
In the opened window, type the following command and press Enter :
powercfg / h off
This will delete the `hiberfil.sys` file and disable the function.
3.) Advantages of deactivation:
✔ Extends SSD lifespan (fewer write operations).
✔ Saves storage space (the `hiberfil.sys` file can be several GB in size).
✔ No performance penalty if you use sleep mode instead.
4.) Disadvantages/Side effects:
✖ "Fast Startup" is disabled – the PC boots slightly slower.
✖ The operating state is lost after a power failure (it is retained during hibernation).
5.) Alternative for users who need hibernation:
If you still want to use the function but want to conserve SSD space:
- Reduce the hibernation file size with:
powercfg / h / type reduced
6.) Further optimizations for SSDs:
- Disable Windows file indexing (for system drives).
- Ensure TRIM is enabled (`fsutil behavior query DisableDeleteNotify` should return `0`).
- Avoid frequent defragmentation (SSDs don't need it).
If you're unsure whether hibernation is necessary, leave it enabled – modern SSDs will still last a long time, but disabling it is worthwhile for older models.
(Image 1) Why should I disable the hibernation function on an SSD?
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