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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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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What is the difference between LPM Set Index 2 and Set Index 3?

Just coming from another (old) SU thread asking about Intel Dynamic Platform/Thermal Framework settings and the specific meanings of each, but although most of that user's questions were answered I ...
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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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New Windows 10 install power plans not showing up as expected

I purchased a new laptop recently and the power plans aren't acting like I expect from a new Windows 10 install. A fresh install typically just has one power plan and I can add several more using ...
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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 ...
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Windows 10 won't sleep - no requests, no wake_armed, no waketimers

Something broke my Windows system so it won't sleep automatically. The Monitor goes out after the period set, but the PC stays awake. powercfg -requests - everything NONE powercfg -devicequery ...
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Monitor wakes-up from standby on Windows 10 when I haven't touched an input device

It doesn't take long before the monitor wakes from standby after going to sleep (turning off); from 30 seconds to 4 mins. I have a Zowie FK2 gaming mouse and a G920 steering wheel connected to the ...
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event id 42 is missing from event viewer

assume that you close the laptop lid at time x and the laptop goes to sleep and you open the laptop lid at time y and the laptop wakes up from sleep if you check the event viewer at time y then there ...
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Can I have more than 2 power plans in Windows 10 21H2?

Is it possible to have more than 2 power plans in Windows 10 21H2? On my Lenovo P51 I had two default plans: battery optimized and balanced if I remember correctly. I have added third "High ...
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Lenovo Ideapad 5 Battery Health

It's been a year since I'm using my Lenovo Ideapad 5 with Ubuntu as my primary os. However, recently I was concerned with the battery backup. The "energy design" is 56.5 Wh but "energy ...
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How to restore (normalize) HDD spinoff timeout in LXLE?

After the last update on my system, the timeout setting for turning off the hard disk was broken. This problem manifests itself as a constant shutdown and spinning of the HDD motor at intervals of ...
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How Can I Make Sure My Home Server Stays Up As Long As There's Power?

I'm working on setting up a Minecraft server for me and some friends alongside some other software, so I'm turning my old HP computer into it (still running Windows 10 for now). I've noticed one thing,...
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Per-core P-State, in Windows

I have found that my computers would scale the frequency of the processor cores in unison. If there is work for 1 core (1 process at 100% usage), all cores scale up. This is not what I want, as only ...
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Windows 11 goes to sleep mode after a long time in lock mode even though I have set "sleep after" to "never" in Power Setup

I am running Windows 11. I have set "When plugged in, put my device to sleep after" to be "Never" in Settings > System > Power. When I lock the screen and leave for a long ...
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Method of laptop conditional power management in Windows 11

I would like to set conditional power management rules based on the level of the charge of the battery. I currently have appropriate rules set for on-power and on-battery. In addition to this, I would ...
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Computer turns off randomly

Desktop, custom built PC, Intel i7 UEFI, 1 NVM 1 HDD 4 SSD. Computer turns itself off randomly, a few seconds later turns back on. Replaced power cable, checked internal cabling, disconnected HDD, 2 ...
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How to keep spare hard drive from spinning up all the time on windows system?

I have a large drive on my windows 10 desktop I use for nightly backups. It only needs to run during the backup time, otherwise, I'd prefer it spin down and be off. I have it set to spin down in ...
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Difference between Advanced Power Management and spindown time settings in openmediavault?

openmediavault has this dialog for each disk: I understand that the APM setting is disk dependent and <= 127 allows spin down while > 127 does not. But if this is the case, what is the ...
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Why pressing my chassis power button turns off my computer instantly? (not even Windows shutdown initiated)

My new computer as ASUS Prime Z590-A mobo wit Intel i5-11600-K CPU. I've freshly installed Windows 11 Professional to it. When I press the chassis power button, the computer turns off completely ...
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Raspberry Pi randomly loses Wifi connection

I have an issue with Raspberries that I run on my network. After a random amount of time, the Raspberries lose connection to the Wifi (not all at the same time, totally independant from each other). ...
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Continuous power consumption of laptop's power brick when in plugged in, not charging mode?

Modern laptops come with the facility of being used in a plugged in mode only, without overcharging the battery. So, in such a case, the power consumption through the adapter should vary according to ...
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Dell XPS 15 9530 not resuming from sleep

When pressing the power button to resume my laptop from the S3 sleep state, nothing happens, and I have to hard reset it to see any sign of life. This problem occurs both on Linux (Arch, kernel 5.14....
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windows 10 does not have the option to allow enabling or disabling the device to wake the device

I want to prevent my machine to wake by the movement of my mouse, but after searching similar questions and issues, I am still not able to solve it. After opening the properties of my mouse, I ...
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Disable Modern Standby or get back S3 standby mode in a HP laptop (Windows 10)

Like many other users I'm trying to disable this new feature that goes by different names (Modern Standby / Connected Standby / Always on always connected / S0ix / InstantGo / ...) as it has lots of ...
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Softly spin down harddisk on Linux

I've got an external USB-C harddisk connected to my computer. If, after 'ejecting' it, pull the plug, it spins down with a clanky noise. So it does, if I power it off by the disk utility (eg Gnome ...
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Windows 10 keeps turning displays off 1 minute after I lock the screen

Irrespective of any display and screensaver settings (that are available by default on Windows 10) my display always goes into power save mode one minute after I lock the screen. I frequently lock the ...
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Hard disk spin-up on demand only under linux

I have a PC where the system (Debian 11) resides on an SSD. As an addition to this I would like to set up two hard drives as a RAID (level 1). Because I would use the RAID only for occasional backups ...
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Linux Mint 20 suspends whenever I close the lid after connecting and disconnecting an external monitor

On my Linux Mint, I have it set up to "Do nothing" when the lid is closed. This works fine until I connect and disconnect an external monitor. Thereafter, the computer goes to sleep ...
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Windows 10 on Surface Studio Sleep Menu Option Sometimes Not Working

I have a 1st generation Surface Studio that has sleep issues. Sometimes, the machine goes to sleep on its own, sometimes it stays awake despite no user programs running. In addition, sometimes when I ...
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Windows 10 randomly logs user out while they are using it

This will be quite a long one so lets start here: 2x users are having the same exact issue with both Dell 5590's on windows 10. I pick one of them to be a Guinea Pig and test some solutions. Both ...
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Windows: Lid close action set to do nothing, still sleeps after a time with lid closed while in use

On my Asus ZenBook UM425I (AKA UX425IA) with Windows 10 Build 19043, everything is working very nicely except as follows. My lid close action is set to always "do nothing" per screenshot ...
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My laptop consumes 25 W of power when browsing on firefox(Ubuntu)

I bought a Dell Inspiron 3501 with 11th Generation Intel® Core™ i5-1135G7 Processor I cannot complain on the performance of the laptop but the battery life is extremely short. Looking on the system ...
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Power consumption: laptop in sleep mode

I found out there's a post calculating the power consumption cost, which tested on a PC. However, I haven't found any data that is related to laptops, or any software to test the power consumption. If ...
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After Feature Update Windows 10 won't sleep (powercfg of no help)

Yet another Windows won't sleep thread, I'm afraid... Running Windows 10 v1909 and all is fine. Monitors shut down and later computer sleeps per the power configuration set. All device drivers are ...
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Windows switches monitors all of a sudden (Windows 10, measurement system)

we have a measurement system running at a factory. The system setup consists of (roughly): User monitor Measurement monitor The program just displays a sine-pattern on the measurement monitor so we ...
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Does it harm to switch off cpu power management (avoid idle sates) in BIOS permanently?

I discovered a problem with lost usb packets from an external usb camera and thanks to you guys found out that the reason is idle states of the CPUs, resp. packages (Monitor used USB bandwidth in ...
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turn on USB charging windows 10

I would like to charge a phone via usb to a windows 10 machine, specifically a Lenovo m83 tiny. The ports on the front bezel (pictured) sustain power to the phone, but when plugged into a port on the ...
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Disable wake on lid open for Windows 10

On a laptop with Windows 10, how do I disable 'wake on lid open'? It's surprisingly hard to find answers to this question. My bag's magnets wake up my laptop from sleep, in the bag, randomly I have ...
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3 votes
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Arch Linux prevent lock when running specific application

I'm currently running arch linux with i3. To lock my device, I use i3exit. Furthermore I have xfce4-power-manager installed to manage sleep timers ect. My problem is, that I can't figure out how to ...
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Application windows all move to main display after screens turn back on

Environment: Windows 10 Pro 20H2 x64 running on MacBook Pro 2019 (bare metal), with an LG 4k monitor, each connected to a CalDigit T3 Plus dock. MBP graphics card is AMD Radeon Pro Vega 16. AMD ...
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