Windows 8 and 8.1 Forums


Fast Startup - Turn On or Off in Windows 8

  1. #90


    Posts : 17
    Windows 8.1


    Well I tried a 'new' testing or unofficial BIOS for my motherboard from MSI forums, it didn't make any difference. Sucks really as all my components are fairly new and advertised to support this.

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  2. #91


    Posts : 2
    Windows XP, 7 and 8


    WARNING VERY IMPORTANT

    What isnt mentioned in the OP is that if you use an external hard drive or USB flash drive that is also used on a seperate computer then with Fast Startup on you will at some point get a file system corruption and lose data.

    This is because Windows 8 and 8.1 when "shutting down" (loose term) with the fast startup enabled creates some kind of cache of how the computer looked before shutting down, this includes any connected external drives. If you then go and use the external drive on another computer and make modifications to the file system i.e. add files, use software that writes to databases on the drive etc.. then reconnect the drive to the Windows 8 or 8.1 computer without the Windows 8 or 8.1 computer having performed a boot and shutdown without the external drive connected in between this then the external drive will be and look different to the cache that the Windows 8 / 8.1 computer has. Now Microsoft havent been clever enough to take this rather common scenario into account so what happens is Windows 8 / 8.1 assumes the drive is corrupted and makes some kind of effort to delete any files that wernt there before or which have been modified (it doesnt ask if you would like to do this or even tell you it is doing so, but you will notice alot of hard disk activity on boot up and then a pop up telling you that the drive needs to be scanned. If you look in the file explorer you will see files are missing.

    There appears to be no official information on this issue, this is based on my own personal experiences (yes experiences, thos happened several times before I got to the bottom of it).

    SO YOU MUST SWITCH OFF FAST STARTUP.
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  3. #92


    Posts : 17
    Windows 8.1


    Without Fastboot, I get about 4.7sec of Bios time. Is it good? Windows loads within 2 circular loading revolutions.
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  4. #93


    Posts : 2
    Windows XP, 7 and 8


    Quote Originally Posted by rock1m1 View Post
    Without Fastboot, I get about 4.7sec of Bios time. Is it good? Windows loads within 2 circular loading revolutions.
    I'd rather a few seconds extra at boot up than Windows 8 deleting files without permissing and then popping up "Hard drives knackered mate".

    I really dont get what the fuss is with how long it takes to boot. I mean it's a few seconds here or there, it's not like it takes an extra week.
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  5. #94


    Posts : 3
    Windows 8.1

    Fast startup wakes my system at night


    Every night I shut down my system, and in the morning I find it has powered on. This seems to be due to automatic windows updates turned on combined with the system being in sleep mode rather than shut down due to fast system startup being enabled. When I look at the event viewer I can see that the system has entered sleep when I shut it down if fast startup is turned on. Hello Microsoft, when I select shut down, I want the system to shut down. Make your labels mean what they say. If I want to put my system to sleep, I won't select shut down!
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  6. #95


    Posts : 22,581
    64-bit Windows 10


    Hello James,

    If it's Windows Updates (automatic maintenance) waking the computer, then you could change the settings below to uncheck the Automatic Maintenance to wake the computer to run at this scheduled time box to stop it.

    Automatic Maintenance - Change Maintenance Settings in Windows 8

    Hope this helps,
    Shawn
      My System SpecsSystem Spec

  7. #96


    Posts : 3
    Windows 8.1

    Fast startup


    Thanks Shawn, I realize I can disable Windows updates (by the way, the Allow scheduled maintenance to wake up my computer at the scheduled time button has always been unchecked on my system, I just have the Install updates automatically option selected) but I really want to be able to fully shut down my computer, not just put it to sleep when I choose Shut down. Disabling fast startup does the trick.
      My System SpecsSystem Spec

  8. #97


    Posts : 22,581
    64-bit Windows 10


    No problem. I'm glad that did the trick for you.

    Just to note, that fast startup is not the same as sleep. It's a hybrid shutdown that's a quicker form of hibernate instead.
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  9. #98


    Canada
    Posts : 37
    Windows 8.1 Pro x64

    hardware (UEFI BIOS) vs. software disabling of fast boot?


    sorry for the silly question (perhaps)... but i have had hibernation off for about a year and a half with windows 8.x without trouble. so i shouldn't even have the option to turn fast boot on - if i have read through your tutorial correctly - that by disabling hibernation it does in fact turn off fast boot. i double-checked by going to the registry entry you showed, and sure enough, hibernation was set to off. lately i've been having some random reboots, which i assumed were power-related (i.e. fast boot) or hardware (psu) failure. as a side note, i also found out i had two audio drivers installed, and disabled the ones i didn't want to be used.

    after reading through this and finding out how problematic fast boot can be i thought "well, i don't even have fast boot enabled!" but now i have checked in my UEFI BIOS and there is a setting for fast boot that is enabled.

    so, if it's enabled in UEFI BIOS and disabled in windows - would that essentially mean that the BIOS would override any software settings and i have had fast boot enabled this whole time?

    thanks for any insight into this.
      My System SpecsSystem Spec

  10. #99


    Posts : 22,581
    64-bit Windows 10


    Hello Menace,

    "Fast Boot" (for PC) in your UEFI firmware settings is a different setting than "Fast Startup" (for Windows) in Windows.
      My System SpecsSystem Spec

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Fast Startup - Turn On or Off in Windows 8
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