A guide to disable Hibernating mode in Windows XP, Vista or 7 to save disk space.

After formatted my PC with RTM version of Windows 7 x64, I just felt impressed for the changes made by Microsoft these years, especially on Windows 7 itself. A total evolution from Windows XP and of course, the half-abundant Windows Vista, which does not do good in my computer usage history. That’s it, I had jumped from Windows XP straight to Windows 7, skipping the Alla-Vista thingy that won’t run properly on my system.

Everything just run fine after the format, except the weird storage disk without drive letter problem. It’s my habit to scan for any rubbish and unused files after a clean format to free the disk space, and I stumble upon this hiberfil.sys in the system disk which is no stranger to me, I been removing it ever since I used Windows XP every time after formatted. It is meant for the hibernating mode of Windows and probably could eat up your disk space as much as your RAM size (If you have 4GB RAM, means it will be 4GB). In Windows XP I have no problem removing it as it just involved a few clicks to stop Hibernate Mode and the file will be deleted automatically. However, I seems can’t find the same option to disable it after a few searching here and there. Then only I realized that Microsoft has decided to disable this option in Windows 7 and Vista for us to make changes which I think quite inconvenient for PC user which probably doesn’t need Hibernate mode. This is how I do it (included for Windows XP as well):

Windows Vista/7

  • Go to Start menu, type “cmd” open up command prompt
  • Type “powercfg.exe -h off” [make sure you are an Administrator]
  • ENTER
  • Type “exit”
  • ENTER
  • Restart you PC and you are done!

Windows XP

  • Open the Windows Control Panel
  • Double-click Power Options
  • Click the Hibernate tab, de-select the ‘Enable hibernate support’ check box, and then click Apply.
  • Restart your computer and hiberfil.sys will be automatically deleted.

hibernate

That’s about it. If you wonder why your local disk space has been disappeared so fast, then this must be one of the reasons.

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