On 3/8/2022 4:48 AM, R2D2 wrote:
> Hia folks
>
> I'm having considerable problems with Windows power savings. We have
> to use laptops conected to multiple label printers and bar code
> readers. In order to avoid problems, we switch off all power savings
> related to USB, both in the "control panel power options" and "device
> manager". However, everyonce in a while, these seem to come back on
> their own. I'm pretty sure it happens after Windows runs updates,
> althought it doesn't seem to be related to any specific type of
> update. We use Toshiba, Dell, Lenovo and HP laptops, and it happens
> with all, so it's not something related to some specific software of
> the laptop.
>
> Has anyone encountered this problem?
>

Well, I've always wondered about this, when my screen blank time keeps
getting set to ten minutes, when I set it to two hours.

I used to think it was updated when the video card driver got updated,
but there was never any proof that was the case.

https://www.pugetsystems.com/labs/support-software/How-to-Disable-USB-Selective-Suspend-1190/

https://winaero.com/restore-power-plan-defaults-windows-10/

powercfg -restoredefaultschemes <=== maybe the system is doing this ?

Someone here, backs up the power bits for restoral.

https://superuser.com/questions/1358657/accidentally-deleted-windows-power-settings-by-powercfg-deletesetting

Locate at HKLM\SYSTEM\CurrentControlSet\Control\Power\PowerSettings
HKLM\SYSTEM\ControlSet001\Control\Power\PowerSettings,

then right click PowerSettings->export the registry file.

Copy the two exported registry files to the computer that we need to restore power settings.

The controls sets have a "weird relationship", so I would not take that as a
verbatim suggestion. If you examine the registry when the OS is offline,
CurrentControlSet is missing. Which implies it is "copied" from ControlSet001
or some other ControlSet00x at system startup or something. Doing both is
a kind of belt and suspenders because you are doing it with the OS online
(the theory being they would be identical).

I take it from this, that some sort of policy affecting USB is in
that pile of GUID power schema chunks. There were supposed to be
200+ registry entries regarding power. Is the total 200 in there ? :-)

Yet, the discovery of hardware is stored in the ENUM tree in
a similar area. If a device has a serial number, then it only
needs to be stored once in the ENUM tree, and can be located
by the serial number the next time. Now, is there something
in there which gets modified by the power policy at plugin ?
Dunno.

Summary: Ideally, you would want a GPEDIT that says "stop fooling around".
Pouring buckets of reg entries around like treacle is not the answer.
They define a "custom" power plan and then lock it with GPEDIT (Pro or higher).
A custom power plan should not have any "defaults" to amend.

https://answers.microsoft.com/en-us/windows/forum/all/unable-to-change-power-settings-windows-10-even/33796242-701d-40b9-a3c2-ac277c4c96c2

Paul

On 3/8/2022 6:56 AM, Paul wrote:

> Summary: Ideally, you would want a GPEDIT that says "stop fooling around".
>          Pouring buckets of reg entries around like treacle is not the answer.
>          They define a "custom" power plan and then lock it with GPEDIT (Pro or higher).
>          A custom power plan should not have any "defaults" to amend.
>
>          https://answers.microsoft.com/en-us/windows/forum/all/unable-to-change-power-settings-windows-10-even/33796242-701d-40b9-a3c2-ac277c4c96c2

Just to clarify something.

The USB keyboard and mouse "allow the device to wake the computer" setting,
might be a feature which is independent of the "Power Schema" thing.

BalancedPower should not control that.

However, if you unplugged the Cherry USB keyboard and replaced
with an Asterix USB keyboard, then the wake settings are going
to be asserted by default and require user edit. Waking a computer
is still a kind of power thing (PME or Power Management Event),
it does affect power consumption in S3 or S4, but it's not controlled
by HighPerformance or BalancedPower schema.

This means you may still not have "ultimate control" of the situation.
It'll require testing.

Paul

On 3/8/2022 8:23 AM, R2D2 wrote:
> On Tue, 8 Mar 2022 06:56:24 -0500, Paul <nospam@needed.invalid> wrote:
>
>> On 3/8/2022 4:48 AM, R2D2 wrote:
>>> Hia folks
>>>
>>> I'm having considerable problems with Windows power savings. We have
>>> to use laptops conected to multiple label printers and bar code
>>> readers. In order to avoid problems, we switch off all power savings
>>> related to USB, both in the "control panel power options" and "device
>>> manager". However, everyonce in a while, these seem to come back on
>>> their own. I'm pretty sure it happens after Windows runs updates,
>>> althought it doesn't seem to be related to any specific type of
>>> update. We use Toshiba, Dell, Lenovo and HP laptops, and it happens
>>> with all, so it's not something related to some specific software of
>>> the laptop.
>>>
>>> Has anyone encountered this problem?
>>>
>>
>> Well, I've always wondered about this, when my screen blank time keeps
>> getting set to ten minutes, when I set it to two hours.
>>
>> I used to think it was updated when the video card driver got updated,
>> but there was never any proof that was the case.
>>
>> https://www.pugetsystems.com/labs/support-software/How-to-Disable-USB-Selective-Suspend-1190/
>>
>
> I've changed bith of thse sections so many times in 20+ laptops I've
> lost count. I also tell the users to have the latops always coected to
> power, and set the power options to (basically) no savings. the basic
> windows schem sometimes changes, but usually doesn't. It's when I
> recheck the USB savings setting, both in “Power Options” and in
> "device manager" that I see them turned on again. And, ofc, we always
> find this out at the worst possible moment.
>

It's possible (in the other post I sent) that you need to
make a custom power schema and put the change in there.

Lets make up an example.

Balanced \
\___ System will override these on a whim
High Performance /

R2D2 Special ---- Since this one is custom, they can't change it

That's the concept.

I first saw this, when using RightMark RMClock. I
believe they added a custom power thing with its
own name.

What you'd do, is start with a Balanced and then
copy it somehow and make "R2D2 Special". Then, add
custom suspend setting. And... hope they don't
remove your schema entirely. I've never had a custom
schema removed by the system, as far as I can remember.
Removing RMClock using Programs and Features, is probably
how that schema got removed.

Paul

On 3/12/2022 9:22 PM, Eric Stevens wrote:
> On Tue, 8 Mar 2022 07:15:40 -0500, Paul <nospam@needed.invalid> wrote:
>
>> On 3/8/2022 6:56 AM, Paul wrote:
>>
>>> Summary: Ideally, you would want a GPEDIT that says "stop fooling around".
>>>          Pouring buckets of reg entries around like treacle is not the answer.
>>>          They define a "custom" power plan and then lock it with GPEDIT (Pro or higher).
>>>          A custom power plan should not have any "defaults" to amend.
>>>
>>>          https://answers.microsoft.com/en-us/windows/forum/all/unable-to-change-power-settings-windows-10-even/33796242-701d-40b9-a3c2-ac277c4c96c2
>>
>> Just to clarify something.
>>
>> The USB keyboard and mouse "allow the device to wake the computer" setting,
>> might be a feature which is independent of the "Power Schema" thing.
>>
>> BalancedPower should not control that.
>>
>> However, if you unplugged the Cherry USB keyboard and replaced
>> with an Asterix USB keyboard, then the wake settings are going
>> to be asserted by default and require user edit. Waking a computer
>> is still a kind of power thing (PME or Power Management Event),
>> it does affect power consumption in S3 or S4, but it's not controlled
>> by HighPerformance or BalancedPower schema.
>>
>> This means you may still not have "ultimate control" of the situation.
>> It'll require testing.
>>
>
> You may recall that for several years I pestered everybody by
> persisting with trying to stabilise my sleep, hibernate, shutdown
> settings, but with no success. For the last two or three years I have
> given up and instead marvelled at the range of behaviour my computer
> has since exhibited. At the moment I have to put it to sleep from the
> start menu but I often find it awake in the morning with me logged
> off. Sometimes this is attributable to my backup software. Other times
> its an update from Windows. But other times it's ????. Call it a
> feature.
>

You've probably already checked

powercfg /lastwake

Paul

On Sun, 13 Mar 2022 21:58:49 +1300, Eric Stevens
<eric.stevens@sum.co.nz> wrote:

>On Sun, 13 Mar 2022 01:19:20 -0500, Paul <nospam@needed.invalid>
>wrote:
>
>>On 3/12/2022 9:22 PM, Eric Stevens wrote:
>>> You may recall that for several years I pestered everybody by
>>> persisting with trying to stabilise my sleep, hibernate, shutdown
>>> settings, but with no success. For the last two or three years I have
>>> given up and instead marvelled at the range of behaviour my computer
>>> has since exhibited. At the moment I have to put it to sleep from the
>>> start menu but I often find it awake in the morning with me logged
>>> off. Sometimes this is attributable to my backup software. Other times
>>> its an update from Windows. But other times it's ????. Call it a
>>> feature.
>>>
>>
>>You've probably already checked
>>
>> powercfg /lastwake
>
>Oh yed. You suggested that several years ago and I now have a paper
>binder full of info, print outs of reports etc. What it reported did
>not always seem to be either complete or relevant. I think there are
>some gnomes in background interfering with the purity of power
>management via strings of spaghetti code. i.e. not everything is
>abiding by the rules.

Aim a video camera at your kb/display and see if anything weird shows up
during your next-morning review. Could be a visit from the guy who lives
in your attic or the woman who lives under your house, or the cat coming
to watch some late-night kitty videos.