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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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Internet disconnects every couple minutes for few seconds Windows 10 [closed]

I have bought new PC (everything with old one internet was fine) and now i get random internet disconnects every couple of minutes for ~2seconds. I tried going into device manager and network adapter, ...
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Windows wakes up when going from sleep mode to hibernation

I couldn't find a solution for a long time so I'm asking here. I have this problem ever since I got this new laptop 6 months ago. Sometimes (most times but not always) when the laptop is at sleeping ...
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Why is host-initated USB3 Link Power Management (LPM) not enabled on my Linux system?

I'm running Linux kernel 4.20.17 on a Coffee Lake-based NUC which is always on, therefore I'd like to try to save as much power as possible when the system is idling. I have an external 2.5" bus-...
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Windows not asleep but monitor will not turn on

This is one of those almost-impossible to Google questions because the results are flooded with results about 'sleeping' computers and monitor problems. My Windows 10 laptop monitor is fine, as is ...
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28 views

how to stop Windows Server 2016 from standby mode?

My Windows Server 2016 enters in standby mode without following any regular pattern and I need it "awake" 24/7 because I connect to it through remote connection. Therefore, when this happens, I can't ...
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How to change real screen timeout settings for the Lock Screen?

I have my PC connected to a TV, because it's significantly cheaper than the same screen with "computer display" label. To make us regret for the money saved, manufacturers of both types of devices ...
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Eject sound when turn off monitor or went to sleep

Specs Ryzen2600 Rx570 ITX ROG ASUS b350 Windows 10 1809 (17763.316) The monitor is Zowie 2411L via dual-link DVI. The secondary monitor is a random LG monitor. Both being 24inch and 1080p. If the ...
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How can I make Windows Task Scheduler fire an event when there's a change of power source detected?

I've written a script that successfully sends me a Telegram message describing the battery state of my PC. I'd like Task Scheduler to run the script when the power source changes, so that when the ...
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108 views

Oracle VirtualBox on Windows 10 messing with system sleep

One night, I opened Oracle VirtualBox 5.2.16 on a Windows 10 laptop, but did not start any of the Virtual Machines. Then I pressed the sleep button and the screen went black and I too went to sleep. ...
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How to turn off the backlight of the screen when the lid of my laptop is closed?

I want to use an old laptop(Dell E5420) as a CentOS7 server in my home, so it is not required at all to operate it on the console, and certainly there is no X-server or other GUI on it. When it is ...
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Laptop is draining battery when off

I have a cheep Chinese Laptop Jumper Ezbook 3L pro. I am experiencing the problem with battery drain since several weeks - after one day off the battery is half empty. I think I first encountered this ...
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Windows 10 wakes from sleep seconds after initiated.. or maybe it's not sleeping at all?

I recently built a windows 10 pc. When I set it to go to sleep, the display shuts off, and it appears as if the pc is sleeping.. then only a few seconds later, turns on again. I can do this ...
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421 views

Wake windows 10 laptop with wireless keyboard power button

I changed my laptop recently, used an Acer (Windows 7) and now I'm using a Samsung laptop with Windows 10. The thing is, I was using my older computer with another monitor (laptop monitor disabled) ...
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276 views

Windows 10 on Lenovo T480 - can CPU be told to be so slow that fans never start?

I have been assigned a Lenovo T480 machine with Windows 10. Unfortunately something (probably the anti-virus software which has plenty to do as I do Java development) uses so much CPU that the fans ...
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36 views

Disable “resume from suspend” through keypress

After suspending my laptop, it usually wakes up when I press: any key power button How can I disable option 1, so that it just resumes when pressing the power button? I am using a Lenovo Yoga 3-14.

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