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Dual Boot Pitfall #1: Windows 8 Hibernates on Shutdown

After successfully sat up Dual Boot Ubuntu 12.10 with Pre-Installed Windows 8 on my new Asus G46VW-BSI5N06 gaming ultrabook, I attempted to use it for my daily tasks. The goal was to have Windows 8, Ubuntu, and Mac OS X on this laptop all at once. Idea was that they would all be able to access the Windows 8 NTFS partition to share data. After shutting down Windows 8 cleanly, I booted into Ubuntu. When I tried to access the NTFS partition, I received a "Could not mount Windows" message:

"The NTFS partition is hibernated. Please resume and shutdown Windows properly, or mount the volume read-only with the 'ro' mount option, or mount the volume read-write with the 'remove_hiberfile' mount option."

What!? That is my first impression, because I never ever use Windows with its hibernation functionality. It turns out that Windows 8 uses hibernation automatically, whether you like it or not (even if you select "shutdown"). It does it in order to shorten the booting time. Actually, it sounds like a cool feature, if you only use Windows 8. But for a power user who wants to use multiple operating systems, it's a hindrance. The following are some things you need to do to turn off hibernation in Windows 8.

  1. Disable "Fast Boot" option in BIOS.
  2. In "Power Options" advance settings, change all hibernation settings to "off" and "never".
  3. Open the "Command Prompt" with administration privileges, and type this command into it (without double-quotes): "powercfg -h off".

After performing these three steps, I have never had the hibernation lock problem in Ubuntu.

Jake
Thu, 07 Mar 2013 05:42:04 +0300

If you don't want to permanently disable Windows 8 hibernation, but want to force full shutdown, here are two ways to do it manually:

  1. Select "Restart" rather than "Shutdown". This forces a full shutdown, followed by cold boot. You can turn the computer off during cold boot for a full shutdown effect.
  2. Issue this command in the Command Prompt (without double-quotes): "shutdown /s /full t 0".

This information is cited in "Delivering fast boot times in Windows 8" (MSDN Blogs). On a tangent, why Microsoft choose to do a full shutdown, rather than a hybrid, on "Restart" is a mystery.

Jake
Fri, 08 Mar 2013 02:51:22 +0300

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Title: Shrinking Windows 8 Partition
Weblog: GearHack
Excerpt: Just got an Asus G46VW-BSI5N06 ROG gaming laptop. It's basically an super gaming rig in an ultrabook form-factor. Ok, not as small as an ultrabook, but about as small as you ever going to get in a gaming laptop for now. It's got Microsoft Windows 8 pre-installed on it. At this time, Windows, by itse . . .
Tracked: Thu, 07 Mar 2013 05:45:42 +0300

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