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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How to list and disable all uneeded devices on a linux laptop? [closed]
I'm on a quest to decrease my laptop's power consumption
So here's what I do to reduce power consumption. Can be an useful guide for a while, if someone finds this. Questions at the end.
a) decrease ...
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Set standby timeout for Seagate drive
I recently built a NAS running Debian 12 with 3 3To Seagate Iron Wolf.
To save power, I would like the drives to enter standby mode after a 30 minutes.
For this, I used hdparm -S 241 <drive> to ...
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Dell 3140 - Closing Lid does not put laptop Win 11 in Sleep Mode despite correct setting
I have Dell Latitude 3140 Notebook. It was recently purchased from Amazon US and hand carried to my country. So no warranty is possible now.
It has Windows 11 Pro OS on it. The BIOS, Graphics drivers &...
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NVIDIA USB Type-C port policy controller keeps waking my PC up
My Laptop (HP Omen 15, Windows 10) is driving me crazy by turning itself on from sleep mode on its own. If I put it to sleep with the power button, it will often turn on again after about 3 seconds, ...
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Selenium tests on Dell precision 5550: Certain thermal settings trigger "chrome not reachable" error
For our web based applications, we have created automated end to end tests. Those run in parallel, so we have a usage of nearly constantly 100 % on all CPU cores over more than 14 minutes.
On complete ...
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cancelled Windows login turns off the display
tl;dr a screen saver takes over but if I bump the mouse and then cancel the login, the screen/display turns off immediately. I would like the cancelled login to resume the screen saver.
My Windows 11 ...
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Automatically wake up network adapter after PC Sleep Mode (Windows 10 / Windows 11)
I am having an issue with my Windows desktop PC, which uses a wired internet connection. Windows 10 and Windows 11 both have this same issue: After recovering from sleep mode, the internet adapter has ...
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How can I prevent PC from shutting down while charging a phone/tablet?
My windows 11 desktop seems to be shutting down after connected devices reach full charge. Motherboard is Asus Crosshair Hero VIII. I haven’t been able to find a post about this issue specifically.
...
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Suspend Mode on Pop OS not working
I installed the latest version of PopOS on my gaming PC.
If I click on "suspend", everything is shutting down except the PC itself. Any ideas what is wrong and how to address it?
My PC uses ...
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Windows 11 PC restarted automatically?
I had some processes running on my Windows (taking a long time) and many open applications (Eclipse, sqlDeveloper etc).
It's important to know that while the PC was running - It was disconnected from ...
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Monitor requires xrandr command to turn on every time it turns itself off to save power
Problem: A monitor fails to turn back on after going into power saving mode. I physically turn on the monitor, and it displays "No signal".
Note that when this happens, the computer itself ...
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How can I stop my "Power and sleep buttons and lid settings" from automatically changing all values to "Do nothing"?
Today I opened "Control Panel\All Control Panel Items\Power Options\System Settings" and found out all of my setting were changed to "Do nothing". So I changed them as I had them ...
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Windows 11 keeps switching to High Performance power plan
I have a Windows 11 desktop that seems to randomly switch to the High Performance power plan. I will switch it back to to Balanced, but it switches back to High for no obvious reason. How can I ...
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Cannot find sensible way to fix Nvidia GPU poorly configured power management for Linux laptop
My laptop (a Dell Inspiron 7577) has an Nvidia GTX 1060, and I configured the laptop to dual boot Ubuntu in addition to the Windows that came with it.
Edit: Here's more information about my system. I ...
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Windows 11 Lenovo Laptop not sleeping when I close the lid
I have a Lenovo Ideapad Slim 3 that I bought new two months ago, and it is running Windows 11. I have no idea why, but starting a few days ago, whenever I close the lid of my laptop, it doesn't sleep. ...
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Laptop power plan seems to have no effect on the laptop going into hibernation
My laptop goes to hibernation relatively quickly. Definitely within less than the 240 minutes I set in the power plan currently selected.
I'm aware there's a possibility of some additional software ...
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Computer wakes up from sleep and drains battery (lid malfunction?)
My Thinkpad P14s Gen 1 wakes up on the middle of the night, and drains the battery from 100% to 0%. I have tried every recommendation on the internet, but cannot seem to fix it.
The power ...
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Avoid powered-off PCs communication at 10Mbit/s thus slowing down broadcasts?
After power failure some PCs enable their network adapters at 10 Mbit/s while powered down.
Those PCs seem to cause network issues if broadcast traffic volume exceeds 10 Mbit/s. This broadcast traffic ...
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View logs for device/port power management events to find/identify which device is going into power savings?
If I don't use my machine for a few minutes, I hear the device disconnect sound. The computer never went to sleep and screensaver doesn't start.
If I move the mouse or touch the keyboard the device ...
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How can I limit number of power plans in Armory Crate?
There are 5 plans in Armory Crate: Windows, Silent, Performance, Turbo, and Manual. Whenever I press the dedicated button between these plans, it switches between Silent, Performance, and Turbo. The ...
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Is there a negative impact on an SSD drive if I power cycle it every hour for 6 months?
We have a system that uses an SSD (4TB Samsung 860 Pro) that we power on for 10 minutes to write data to and then off every hour for 24/7 for about six months via a Linux system. We manually turn on ...
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Okay to auto-shutoff LED monitors/displays/screens after 1 minute to save power?
With modern LED computer displays is there any physical harm in having them auto-shutoff after 1 or 2 minutes of inactivity? This could potentially result in the monitor being powered on and off over ...
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How can I measure laptop power consumption to optimise battery life?
I have seen devices like the SteamDeck and ROG Ally offer power settings that allow you to limit the watt consumption of the device. They also have live sensor readings telling you the current watt ...
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Program/shortcut for "Move window to this monitor" - Windows 10 / 11
Is there a shortcut / right click option, or a program that adds shortcut / GUI option, to move a window to the current monitor?
I know I can hover on a program on the taskbar, right click the little ...
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SD Card Reader going to sleep
My SD card reader on my new 12th gen Intel HP laptop goes to sleep after 12 or so seconds. Any action on it after that (that isn't cached) takes 3 seconds. My wife's computer has the same issue but ...
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Why does lid close powercfg setting not work after switching users?
I think I had changed my powercfg settings so my laptop wouldn't sleep on lid close. Then I followed an answer here and changed them so lid close would sleep.
When I restarted my computer and logged ...
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KDE Plasma does not sleep
When I put the KDE Plasma to sleep it turns off the monitor and I hear the fans and the HDs shutting down just to back up to speed and the monitor turn on again on the blackened lock screen. So it is ...
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Direct Sleep issue in windows
I'm unable to sleep windows directly by clicking on sleep option. Windows goes sleep when is is inactive. But how can I do that intentionally?
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Do processes always consume battery and cpu or are they neutral on cpu and memory usage while "inactive"?
If a process in Windows OS is currently inactive (not doing any work) does that mean that it doesn't consume any power and cpu/gpu resources?
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Should Windows 10 Pro have a GUI option for "Allow wake timers" under Sleep in a power plan's "Advanced settings"?
There are many examples of Windows 10 instructions that assume that the Sleep setting within the "Advanced settings" for a power plan will have an entry called "Allow wake timers". ...
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"Shutdown settings" in Power Options are missing
Windows should have such a menu in Control Panel's Power Options:
But I don't have it:
I use Windows 10 Home
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Pc not turning on
So i have a power cut every once in a while and few weeks earlier after a power cut and came back i turned on my pac but it just flashed its lights as a flickering and didn’t turn on. I changed the ...
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Windows XP - screen turns off after X time
I have a Windows XP PC that's supposed to stay on without closing the screen etc. Even if the setting is set to never, after a while the screen shuts down no matter what I chose.
Any idea?
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Issue with PC waking up immediately after entering sleep mode
I have a new PC that I was very excited about until I realized that it consistently refuses to enter sleep mode. More precisely, it wakes up immediately after being put to sleep. This is very ...
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poweroff/reboot hangs when sddm is logged in
I am using KDE plasma5 wayland with sddm, and systemd 253.4. sddm starts on tty7, and kde starts on tty2. After logging in to GUI, whenever I tried to poweroff or reboot (terminal or button, through ...
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Booting/shutting down a Linux mini-PC via USB or Ethernet
I am using a T8 Ace Magician mini-PC running Debian Linux for embedded system purposes - because of that the power button that comes on the box will not be easily accessible.
Is it possible to power ...
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Windows (11) immediate wake up after sleep
I'm running Windows 11 on an AMD 5800x. If I put Windows to sleep by selecting the Power button on the Start Menu and then selecting Sleep, Windows goes into Sleep and then immediately wakes up. If I ...
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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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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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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 ...