Why disable Fast Boot on Windows 8 when having dual booting?


Fast boot in Windows 8 is a way to boot the system faster because the needed data to boot (Drivers, User session, etc..) are stored in a hibernation file (hiberfile) and are loaded when the boot process begins, saving the user between 40% and more boot time.

Since Hibernation mode is a way to "freeze" whatever you were doing before shutdown and loading it again when you start the computer (this includes opened apps, sessions, drivers, the last office doc you were editing...) it creates a problem when you want to copy stuff from Ubuntu to Windows after a hibernation, or "fast boot" as it is called on Windows 8 because anything that changes between hibernating and booting again is lost.

Basically, if you shutdown Windows 8 (hibernate mode) and then go to Ubuntu and try to copy something over to Windows 8 like an mp3 file (assuming Ubuntu does not throw any warnings about it being in hibernation mode), when you boot Windows 8 again, the mp3 file will not be there because...

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Why is everybody keep mentioning to disable Fast Boot on Windows 8 if you have installed alongside Ubuntu? Is it something that is recommended only for UEFI machines or is it a suggestion for Legacy BIOS machines as well? Is it because it makes the Windows partition inaccessible from Linux or there is another more serious reason to disable it?

Fast boot explained with an image:

During fast boot the system loads the hiberfile and does not use the files on the filesystem.

So the biggest problem, and the worst problem you can have on a computer, is data loss: if you create a shared NTFS data partition the hibernation may maintain the file structure so if you try to save a file from Linux into the NTFS partition it will get lost on Windows reboot as it only remembers the old file structure. See this Ubuntu Forums thread for more information.

That alone is reason enough to never touch fast boot in a dual boot setup.

Two relevant discussions...

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Fast Startup is a new feature which is introduced in Windows 8 RTM. It allows your computer to start faster than normal by logging off the user session and then saving a part of system related files and drivers to a hibernation file. When you turn on your PC again, it resumes from hibernate and logs you in again. In other words, the fast startup feature combines the classic shutdown mechanisms with hibernation, so it can be called 'hybrid shutdown'. Hybrid shutdown is enabled by default in Windows 8 and its successor, Windows 8.1. Follow this article to learn how to disable the fast boot feature or enable it back, and why you may want to do so.

RECOMMENDED: Click here to fix Windows errors and optimize system performance

There are several reasons when you might want to disable the Fast Startup feature. We will look at some common reasons.

The first case is if you are dual booting with some other OS. For example, if you have Linux as the second OS on your PC, it...

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Fast Startup is a new feature of Windows 10, 8 & 8.1 OS, that allows a computer to boot and start faster than before. Fast Startup feature is named also hybrid-boot or hybrid shutdown, because when you shutdown your computer (or log off,) the system saves a part of system drivers and files to a hibernation file (hiberfil.sys) and then when you turn on your computer it uses the information from this file to open faster. In other words, Windows 8 and 8.1 doesn't perform a full system re-initialization, but in fact it resumes from the hibernation state.

Fast Startup (Hybrid Shutdown) in enabled by default in Windows 10, 8 & 8.1 Operating System, but there are several reasons to disable the Fast Startup feature. For example: Many Windows users complain that their system keeps restarting or crashes when it does Fast Startup. Another problem is that when Fast Startup is enabled on a dual boot system {(e.g. a system with Windows 8 and another operating system (e.g. Windows 7)},...

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Windows 8 boots really faster than its predecessors, and the main reason behind that is the newly implemented ‘hybrid boot’ or ‘fast start-up’ feature. As the name suggests, it is nothing but an improved version of the existing ‘hibernate’ feature that had been there in Windows operating systems for a long time.

Below is a simple explanation of the process and few ways that you can use to disable this feature …

An operating system’s boot process can be divided into two main ‘phases’ called he ‘Kernel Session’ and the ‘User Session’. The ‘Kernel’ is the heart of an operating system because it is what that communicates directly with your computer’s hardware, and act as the ‘middleman’ between hardware and applications that run on top of your desktop.

So when an OS boots, after a bit of a help from BIOS and other tools, it loads the ‘Kernel’ into the RAM first. Then the ‘Kernel’ calls in drivers of your hardware, then other core system services (such as network...

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The articles in your question state that Ubuntu will refuse to mount NTFS partitions that it see's to be hibernated or with Fast Startup enabled.

They state that the danger only lies in trying to modify data partitions used by an OS with Fast Startup enabled, or is hibernated. This doesn't have the be a main operating system partition (such as C:\). Even secondary partitions used only for file storage are still at risk from data loss if they are mounted by that OS.

Since you stated in your question that you have a shared NTFS partition for all your files that you are accessing from Windows 8 and Linux, DO NOT USE HIBERNATION OR FAST STARTUP. You will risk data loss.

if you create a shared NTFS data partition the hibernation may maintain the file structure so if you try to save a file from Linux into the NTFS partition it will get lost on Windows reboot as it only remembers the old file structure.

Even if you change the filesystem from NTFS to ext4 (the...

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These days, if you buy a computer pre-installed with Windows, you’ll end up with either Windows 8 or Windows 8.1. Starting with Windows 8, Microsoft replaced BIOS with UEFI. UEFI is not something that Microsoft invented, instead its a protocol in existence before Windows 8. Some Mac devices have been using UEFI for some time now.

With UEFI comes the feature of “secure boot” which boots only those boot loaders that are signed in to UEFI firmware. This security feature prevents rootkit malware and provides an additional layer of security. But it has a down side, if you want to dual boot Windows 8 with Linux, Secure Boot will not allow it. Therefore it is advised to disable secure boot in Windows 8 to allow dual booting with Linux.

Disable UEFI secure boot in Windows 8 and 8.1

There have been too many noises around secure boot. Because of these rumors, some people almost believed that dual boot to Linux is not possible with pre-installed Windows 8. While...

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How to Dual Boot Windows 8 with Windows 7

Your newly purchased computer or the one you just built has Windows 8 installed. You now want to install Windows 7 as a second operating system thus creating a Dual Boot computer and giving you the best of both worlds and full app compatibility as some of your Windows 7 applications may not be supported in a Windows 8 environment.

Considerations before you start:
A) If you purchased your Windows 8 computer:
1 - Installing Windows 7 may void your warrantee. Call the PC manufacture and ask !!!
2 - Installing Windows 7 may render your Windows 8 “Recovery Partition” useless. Before you start, contact the PC manufacture and obtain the “Recovery media” for Windows 8. Also ask the manufacture’s support team about activation when using recovery media as your new computer may no longer have a product key code sticker, Windows 8 uses a BIOS imbedded product key for activation.

Partition arrangements on a computer...

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Windows 8 may have plenty of issues, but a slow boot time ain’t one. Windows 8 boots fast! Yet, there is room for improvement. We show you how to measure and optimize your Windows boot time.

The time it takes the system to start up is largely defined by internal processes. In Windows 8, a Faster Startup feature allows for record boot times. Over time, third-party applications can contribute to a significant decline. The occasional cleanup can restore initial boot times. Let’s see what your options are.

Find Your Boot Time

You can get a semi-accurate estimation of how long it takes to boot your computer by counting the seconds or using a stopwatch. I actually used the online stopwatch from timanddate.com to figure out which steps of the boot process took the longest and improved the most. If you just care for the overall boot time, however, you can draw exact numbers for your past couple of boots from the Windows Event Viewer.


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Secure boot is a feature of Windows 8 that helps to prevent malicious software applications and “unauthorized” operating systems from loading during the system start-up process. While it is a great security feature, it effectively prevented you from dual booting your PC. Any other OS without the proper signing key will be deemed as “unauthorized” and won’t be able to boot up. The way to go about it is either install an OS that comes with the appropriate signing key or disable the secure boot feature altogether. In this article, we will show you the latter.

It is important to note that the secure boot is not a Windows 8 feature. It is in fact a protocol in the UEFI specification. It’s been around for a while, but hasn’t been implemented in many operating systems. Microsoft has chosen to do so for their Windows 8 OS and requires all PCs that want to have the Windows 8-certified logo to ship with the secure boot feature enabled. This has, of course, become a bit of a pain...

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Few days ago I’ve built dual boot system on the computer (Windows 7 and Windows 8) by way installing Windows 8 on a computer that already has Windows 7 as its main OS, though surely I’ve installed it on different partition that is separated from partition on which I already installed Windows 7. However, I found some interesting thing when I was firstly use computer with that dual boot system.

The Bootloader on Windows 8 dual boot system is impressive. It is different compared to Windows 7 bootloader that only have grey color on its fonts.

Windows 8 will be the main option for booting, on which 30 seconds will be given to us when we are choosing which OS we want to load.

While I am currently in dual boot menu and then choose Windows 7, then computer will not enter directly to Windows 7, it has to restart at the very first time before entering windows 7 OS.

The last one was very disturbing and in fact inconvenient, particularly because I am still using...

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In this article, I am going to show you how to dual boot Windows 10 and Mac OS X El Capitan on PC. You may be used an Operating system like Windows by Microsoft, Mac OS X by Apple and Kali Linux or Ubuntu. But Have you ever used two operating systems with one machine yet? If you are new to this, then it might be useful for you. If you use two operating systems on the single computer, it’s called dual boot. So follow this article below then you know a little more about dual boot and you will learn how to dual boot Windows 10 and Mac OS X El Capitan on PC.

What is Dual Boot?

Dual-booting is the act of installing multiple operating systems on a computer and being able to choose which one to boot. The term dual-booting refers to the standard configuration of specifically two operating systems. It means when we install two operating systems on single Machine. Sometimes it’s called Multi-boot or dual boot as well. If you install and use three operating systems like Mac,...

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