Groups > alt.comp.microsoft.windows > #3000

Re: Disable FastBoot

From	MikeS <mikes@is.invalid>
Newsgroups	alt.comp.microsoft.windows, alt.comp.os.windows-11
Subject	Re: Disable FastBoot
Date	2025-11-17 15:48 +0000
Message-ID	<10ffg4f$7np6$2@solani.org> (permalink)
References	(1 earlier) <slrn10hhdv8.33j.dan@djph.net> <sm01plz7z02.fsf@lakka.kapsi.fi> <sp1epzui11ad$.dlg@v.nguard.lh> <nvdrulxiqj.ln2@Telcontar.valinor> <w9ear4oz5df.dlg@v.nguard.lh>

Cross-posted to 2 groups.

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On 17/11/2025 12:26, VanguardLH wrote:
> "Carlos E.R." <robin_listas@es.invalid> wrote:
> 
>> On 2025-11-16 03:18, VanguardLH wrote:
>>> Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> wrote:
>>>
>>>> Dan Purgert <dan@djph.net> writes:
>>>>
>>>>> Win10, 11 have that "FastBoot" thing that mucks with hardware releases
>>>>> on "reboot" (win basically goes into hibernate).
>>>>
>>>> No. Reboot is always reboot, Windows would be completely useless without
>>>> that. "FastBoot" aka fast startup happens when shutting down if not
>>>> disabled. And it's hibernate without hibernating apps so fairly useless.
>>>
>>> Actually Fast Starup is a full hibernate (all memory copied into the
>>> hyberfil.sys file).  The computer then goes into sleep mode.  When
>>> brought out of sleep, the computer resumes from sleep.  If, however, the
>>> computer ever lost power during sleep, the computer resumes using the
>>> hibernate file.  Because a memory image is reinstated or resumed from a
>>> Fast Startup mode, there is no re-initialization of hardware.  This is
>>> the same as a Windows restart which is a warm boot.
>>
>> No, hardware has to be reinitialized "somehow". Hardware has been
>> powered off, they have to be put back in the same status as they were
>> when the machine hibernated. The driver needs adequate entries to
>> restore status.
> 
> It is the lack of initialization of hardware on a FastBoot startup why
> hardware that was hung, or in an inoperable state, remains so.  FastBoot
> copies a memory image of the kernel and drivers in their state at that
> time, and restore those states on startup.  Even if the hardware gets
> the CPU reset on a cold boot, FastBoot is going to reinstate its memory
> image of the kernel and drivers.  The kernel and drivers are NOT loaded
> on a FastBoot.  They are resumed from a saved state.  That the memory
> image of states doesn't match hardware state is why FastBoot causes
> problems.  When rebooting to attempt troubleshooting, FastBoot can make
> the boot-time menu disappear so fast the user has no chance of hitting a
> key to get it recognized to go into troubleshooting mode, or make a
> selection from a boot menu.

A little knowledge is a dangerous thing. Here is an accurate description:
https://learn.microsoft.com/en-us/windows-hardware/drivers/kernel/distinguishing-fast-startup-from-wake-from-hibernation

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Thread

Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Java Jive <java@evij.com.invalid> - 2025-11-15 14:39 +0000
  Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Andy Burns <usenet@andyburns.uk> - 2025-11-15 15:04 +0000
    Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Java Jive <java@evij.com.invalid> - 2025-11-15 15:17 +0000
      Re: Strange cabled network fault when rebooting from Windows (any  version) into Ubuntu 24 vallor <vallor@vallor.earth> - 2025-11-15 16:17 +0000
        Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Java Jive <java@evij.com.invalid> - 2025-11-15 17:19 +0000
          Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 VanguardLH <V@nguard.LH> - 2025-11-15 11:56 -0600
  Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Dan Purgert <dan@djph.net> - 2025-11-15 17:27 +0000
    Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Java Jive <java@evij.com.invalid> - 2025-11-15 17:51 +0000
    Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-11-15 23:43 +0200
      Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 VanguardLH <V@nguard.LH> - 2025-11-15 20:18 -0600
        Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-11-17 12:14 +0200
          Disable FastBoot  (was: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24) VanguardLH <V@nguard.LH> - 2025-11-17 06:19 -0600
            Re: Disable FastBoot Frank Slootweg <this@ddress.is.invalid> - 2025-11-17 16:51 +0000
              Re: Disable FastBoot Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-11-19 11:11 +0200
            Re: Disable FastBoot "Carlos E.R." <robin_listas@es.invalid> - 2025-11-17 19:24 +0100
              Re: Disable FastBoot Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-18 04:44 +0000
                Re: Disable FastBoot "Carlos E.R." <robin_listas@es.invalid> - 2025-11-18 07:08 +0100
          Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Paul <nospam@needed.invalid> - 2025-11-17 07:23 -0500
          Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 "Carlos E.R." <robin_listas@es.invalid> - 2025-11-18 01:23 +0100
        Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 "Carlos E.R." <robin_listas@es.invalid> - 2025-11-17 12:36 +0100
          Disable FastBoot (was: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24) VanguardLH <V@nguard.LH> - 2025-11-17 06:26 -0600
            Re: Disable FastBoot MikeS <mikes@is.invalid> - 2025-11-17 15:48 +0000
              Re: Disable FastBoot VanguardLH <V@nguard.LH> - 2025-11-17 11:38 -0600
                Re: Disable FastBoot "Carlos E.R." <robin_listas@es.invalid> - 2025-11-17 19:58 +0100
                Re: Disable FastBoot Frank Slootweg <this@ddress.is.invalid> - 2025-11-17 19:32 +0000
            Re: Disable FastBoot (was: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24) Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-18 04:47 +0000
              Re: Disable FastBoot "Carlos E.R." <robin_listas@es.invalid> - 2025-11-18 07:32 +0100
                Re: Disable FastBoot Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-11-18 07:31 +0000
  Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 VanguardLH <V@nguard.LH> - 2025-11-15 11:27 -0600
    Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Java Jive <java@evij.com.invalid> - 2025-11-15 18:00 +0000
      Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 VanguardLH <V@nguard.LH> - 2025-11-15 20:06 -0600
  Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 "Carlos E.R." <robin_listas@es.invalid> - 2025-11-15 20:43 +0100
    Re: Strange cabled network fault when rebooting from Windows (any version) into Ubuntu 24 Java Jive <java@evij.com.invalid> - 2025-11-21 20:41 +0000

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