Questions tagged [power-management]
Power management refers to the capability of a computer or its operating system to regulate its power usage. This can help achieve cooler and quieter operation, longer-lasting electrical components, and for laptops, longer battery life.
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Set CPU frequency in Windows 10 no longer works
I used to set max CPU frequency by enabling this option:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\54533251-82be-4824-96c1-47b60b740d00\75b0ae3f-bce0-45a7-8c89-...
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Stop Ubuntu laptop from suspending when external diplay goes off when lid is closed
I work with a single external display and I'd like to know if it's possible to keep my laptop lid closed at all times.
If the external display is used I can close the lid, and the laptop will not go ...
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Linux - Laptop won't go to suspend/sleep when the lid is closed
I recently discovered that my laptop won't go to sleep/suspend once I close my lid and this is actually driving me crazy.
Here is a little information on my machine:
Kernel: Linux 6.3.1-arch1-1
Model:...
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Windows 11 system keeps sleeping
My fully-updated Windows 11 Pro system keeps turning itself off or going into sleep or hibernation mode. I'm not technically sure which because I'm not a regular Windows user.
It is a virtually fresh ...
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How to automatically disable "Allow computer to turn off this device" on all devices in Device Manager
I need to frequently go through most devices and disable this option (if the Power Management tab is available) for clients machines (Win10/11).
Don't mind how it's done, Powershell/batch/VBS/etc.
I ...
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How to set APM of a hard drive in Linux command line?
Strange things are happening in my system... I have a Raspberry Pi 4 with Raspberry OS Lite and some external WD HDDs atached to the USB port. I want to change the hard drive APM value so that I can ...
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W11 How to ensure USB has no power in hibernation
My mouse and keyboard are being powered while Windows 11 is hibernating. They are connected to a USB port that came with the PC case. Is there a way to switch power off?
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How to enable hibernation after certain sleep duration automatically in Windows 11?
I had an old hp laptop that used to go to hibernate after certain hours of sleep duration. So for eg., if I sleep my laptop manually it would automatically goes to hibernate after a certain hour or 1.
...
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ThinkPad X1 Carbon Won't Sleep (Automatically + Manually)
I recently bought a ThinkPad X1 Carbon (Gen 10). I really like this machine.
But since the last couple of days I am facing an issue with it. I can't get my laptop to sleep, neither automatically nor ...
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Windows: Enable/Disable Lock Screen Password With Shortcut
On Windows 10, personal machine, at home, I'm looking for a way to create a shortcut, that uses a PS script or external program, that I can use to quickly change the behavior of the machine when the ...
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Delaying Sleep Mode When Closing Lid on Windows 10 on ThinkPad T460
I am running Windows 10 (build 19045) on a ThinkPad T460 and I am looking for a way to delay sleep when the lid is closed.
I want to be able to set a 15 to 60 second delay after I close the lid of the ...
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change processor power management settings
Can we change the minimum and maximum processor state in processor power management settings in Power Plan?
Can we change the max processor state to, say, 80% or 90% to avoid overheating?
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PC waking up: powercfg -devicequery wake_armed says HID keyboard (USB) wakes it even when that is UNPLUGGED. Apparent Cause: AMD SMBus Driverupdate
Why" and "how" can something that is unplugged be causing a computer to wake up? Has anyone else had this specific problem and found the cause? Is it related to "Allow this ...
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Xubuntu Laptop Not Suspending Properly on Lid Close
I have a Dell Latitude 5580 laptop running Xubuntu 22.04, and the laptop does not suspend when the lid closes. Based on other research, here's what I've tried so far:
Made sure the "Suspend"...
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Why is onedrive.exe running on the GPU?
I have laptop with an Nvidia GPU. When I disconnect power and the external screen it should switch over to the internal GPU instead of the Nvidia to reduce power consumption, but onedrive.exe is still ...
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Tensorbook (Razer x Lambda) Battery Management
My new Tensorbook is fully loaded, dual booted with Windows 10 and Ubuntu 22.04. I want to optimize its battery life, but have not found anything that works yet.
Model no: RZ09-421
Product no: RZ09-...
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USB ports in computer displays
Many computer displays are have one USB in port and two USB out ports, maybe even more. Is that generally effectively a USB hub that does not get power from the rest of display hardware? Can I assume ...
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Windows screen saver and screen power off not working
The situation is the following. In my Windows 10 (22H2), the screensaver is not engaging, and neither does the system power off the screen after the set amount of time.
After lots of searching online, ...
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Initiate sleep power state on PC from USB
I have been looking at designing an external pcb to turn on and off the PC, and lately I have been thinking of ways to improve this construction.
After a few quick googles searches I found you could ...
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Windows 11 Power Settings - Monitor will not turn off / sleep if set to more than 5 minutes
I've been trying to resolve this issue for several months. It was present in Windows 10 prior to upgrading as well. I'm currently on Windows 11 22H2.
Under Settings > System > Power > Screen ...
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Display screen on Lenovo Yoga 510 laptop randomly powers off
Helping a friend.
The laptop screen on Lenovo Yoga 510 goes blank randomly. The light by the power socket and the light by the power switch remain lit. Battery at about 80% charge. The machine does ...
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How to change Windows 10 lock screen timeout?
Problem: My computer has recently begun to lock itself after ONE minute.
It's not the screensaver, it's not the stand-by mode, it's the lock screen.
(Win10 Enterprise, 21H2)
Things I've tried:
I have ...
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What is the meaning of cpu scaling in windows power management's balanced mode?
Windows has got 2 power management settings:
Balanced
High performance
When configured as balanced windows auto scales the cpu based on utilization. What exactly does scaling of cpu mean?
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Windows 11 PC wakes up after a short bit, potentially wake on LAN - but I can't track down what's triggering it
Sept 13th, 2022: My computer will go to sleep on its own at times, sometimes staying asleep through an entire night. Other nights it'll stay on the whole time. Sometimes during the day if I'm away ...
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The login screen does not appear after the computer is idle for a long time
Ubuntu 22.04 (I have also Windows on my computer)
AMD5950X, rtx 3080TI
I have a problem with Ubuntu. The login screen does not appear after the computer is idle for a long time, although I can see ...
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Home server with different OS's instead of multiple PC? [closed]
I'm just thinking about that instead of buying powerful notebooks and PC-s for my family members is that possible to create just one powerful PC, with the different OS preinstalled on it, and just ...
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No hibernation option "after X minutes of inactivity" in Windows 11
I don't see the "hibernation after X minutes" option in my Windows 11.
On other computers I had, there was an option in Control Pane > Power Options > Change plan settings > Change ...
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Trigger Power Plan when an app is launched
Is there a way to trigger a customized power plan when the user launches a specific application?
Details:
I want the computer to switch to high performance mode with %100 CPU performance while ...
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Is it safe to change BIOS settings with a hibernated Windows 10?
I'd like to know if it is possible to change BIOS settings safely with a hibernated Windows 10 session, particularly with CPU fan speed/power management?
My problem has to do with my system/CPU fan ...
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Why does the state of my laptop's battery keep switching between `Connected standby` and `Active` even though the laptop is always plugged-in?
I ran powercfg /batteryreport in powershell to view my laptop's battery report. The state of my laptop's battery keeps switching between Connected standby and Active even though the laptop is always ...
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Can `rapl-set` mitigate the remotely-exploitable "Hertzbleed" Frequency Throttling Side Channel Attack?
Recently a new frequency throttling side-channel attack for extracting key material was published as CVE-2022-24436 for Intel CPUs and CVE-2022-23823 for AMD CPUs, which can be exploited remotely. ...
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Stop PC from automatically turning itself on after exactly 5 seconds after shut down
I'm fixing one of my old PC's for my little cousin, but I have a problem I can't seem to solve. The PC has Intel's Q35 chipset, with Intel Core2Duo (2x2.66GHz) processor and 4 gigs of ram. I installed ...
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Do CMOS batteries drain faster depending on how long and often you use your PC?
I have recently been thinking about how the lifetime of CMOS batteries is related to the time percentage during which one's PC is up. Obviously, the amount of power consumed by CMOS boards is ...
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How to programmatically get or intercept windows system event log events
I would like to get a notification before my computer goes to hibernation or sleep.
In event log I see three events. first is a sleep. Then wake from sleep to go to hibernation then hibernation
...
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Acer Aspire 5552G turns on only after multiple attempts
I have an Acer Aspire 5552G laptop with a strange power-up problem. When I press the power button, the power light comes on (hard disk activity and wifi lights stay off) and nothing happens after that,...
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Hum/noise from audio interface after some time of inactivity - is there a setting for it?
I have a laptop and external amplifier + speakers connected to its internal audio interface / analog output jack, which usually works fine.
But for some time (months or year even), whenever no audio ...
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Prevent MacBook Pro from sleeping when the lid is closed and the AC adapter is being unplugged
My MacBook Pro is connected to two external monitors using a docking station. The internal screen lid is constantly closed and I don't usually use it. I only use the external screens.
The problem is ...
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Why could there be high power usage, while low CPU and GPU usage?
When I use Zoom (under Windows 10 Pro), the coolers of my Precision 5520 with Xeon E3-1505M v6 CPU begin working very hard and never stop. I decreased Zoom's priority in Task Manager to below normal. ...
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How to ensure computer is power on always?
I would like to have my computer to turn on in all cases wall socket electricity is on. I know there is a BIOS setting for it,
but I am not sure I can rely on this: battery can discharge or induction ...
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How to disable Bluetooth device power management in Windows 10?
I have a Bluetooth audio device that I use to play sound from my computer. When playing music from a software, it works as expected. When using it with remote conferencing software like Ms Teams or ...
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Laptop automatically shut down at around 30%
I bought an Acer Swift SFX14-41G since 12/2021, which is pretty new laptop. The problem is it automatically shutdown at around 30%. After several times it shutdown like that, I have tried to calibrate ...
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How to set the Extended Power Condition (EPC) timers of a hard-drive
I have a Ultrastar DC HC550 SATA disk that supports different idle and standby states (idle_a, idle_b, idle_c etc).
They are described in the product manual
along with the timers listed in chapter 10....
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Windows 10 "PC wakes up automatically when pressing sleep." Then to activate sleep again for it to really Sleep
Activating sleep for the first time, the PC shuts down. When it shuts down, it will automatically start. Fans go fast then go to its normal speed. Then Log in screen activates. Any reason why it is ...
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Display on Windows 10 Pro won't sleep
I have a Windows 10 Pro machine (self built) where the display never sleeps. I can force it to sleep with a variety of tools or mapping power button to display sleep etc but the display turns back on ...
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Cpu struck at 0.4 GHz after touching temperature of 50- 60°C
Processor : Intel i5 10210U
Device : mi Notebook 14
When my CPU reaches around 50-60°C, it throttles and reduces its maximum frequency to a constant 19%. After that, the processor's base speed does ...
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Permanently disable power management for trackpad (using Powershell or WMIC)
I kept having a problem with my Dell XPS 15 going into a sleep state (disabling the display) when my computer was left unattended for more than 10 minutes. When the system resumed, the touchpad would ...
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configure ubuntu to unsuspend when connected to power
I have a frame.work ubuntu 21.10 laptop that I connect often to a usb-c hub that has a monitor, keyboard and mouse.
I currently pull my laptop out and plug in the usb-c hub but then open the laptop ...
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How to temperature throttle my Windows 11 laptop?
How can I temp throttle my laptop? I'm on Windows 11. I want it to be as cool as possible. I don't need performance, either when plugged in or on battery. Are there registry settings or a third ...
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How do I make Windows 10 ignore the first keyboard input on wake-up?
I have set up a computer for my mother, who has Alzheimer and motor skills impairment. A custom web app displays a menu of options and she just presses the letter corresponding to what website she ...
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Mimicking Laptop Battery Management Software With Smart Switch
I just bought a new HP Laptop (Envy x360) and was very surprised to find out that it had no battery/energy management software or anything in the bios to manage the charge of the battery to keep it at ...
