If you’ve found that your Hibernate option is missing from Windows Vista, it might be from running the disk cleanup wizard and removing the hibernate files. This is due to a known bug in Vista that might not have been hotfixed already.
Turning it back on is very simple, however.
Type cmd into the start menu search box, and use Ctrl+Shift+Enter to open in administrator mode. You can also right-click the item in the menu and choose Run as Administrator.
From the command prompt, type in the following command:
powercfg /hibernate on
You’ll have to restart your computer before it will take effect.
Update: Alternative Method
An alternative method with more steps was suggested by Shane in the comments. If the above doesn’t fix your problem, you can use these steps.
- Go to the command prompt icon in the Start menu under Accessories and right click the icon: click “Run as administrator”.
- Paste: “powercfg.exe /hibernate on” and hit Enter and also paste “powercfg -h on” and hit enter just to be safe.
- Open Control Panel and type in “Hibernate” in the Search.
- Click “Turn hibernation on or off”
- Click “Change advance power settings”
- Scroll to and expand the “Sleep” option.
- Select “Off” to the “Allow hybrid sleep” option.
- Scroll to and expand the “Power buttons and lid” option.
- Select “Hibernate” for the “Sleep button action” option. 10. Select “Hibernate” for the “Start menu power button” option.
Hopefully one of these methods will solve your problem!
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