Questions tagged [power-management]
Questions related to power management, particularly power saving measures.
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Battery charge/discharge cycle
My battery behaves normally until its charge reaches down to 80%. After that, it begins a cycle of charging/discharging with 10s on each state.
Here is some data:
deimos@kami:~$ upower -i /org/...
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Screen keeps turning off on Ubuntu 17.04 after 30 seconds of inactivity
My screen turns off after 30 seconds of inactivity since I installed 17.04.
I've tried so many ways to fix it, including xset s off and dpms but it hasn't helped. When I type xset q on terminal it ...
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Compiz causes Out of memory when Ubuntu left for around 2h inactive
I'm struggling with hanging GUI interface in Ubuntu 17.04 when left inactive and unattended for longer period of time (around 2 hours).
In the dmesg I can read:
[ 5499.511514] Out of memory: Kill ...
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2
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How to prevent shutdown when one of two batteries is empty?
My Lenovo T460s has two batteries. When one of them is empty the laptop does an emergency shutdown which basically makes the 2nd battery obsolete.
I already set org.gnome.settings-daemon.plugins....
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Disable battery critically low message Gnome 3
My battery is dead ad very hard to replace (ASUS ROG G751), so I am wondering how to turn off the "Laptop battery critically low" notification. I am running Ubuntu 16.04 and Gnome 3. Thanks!
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How to submit a suspend bug for 17.10
Hello I'm trying out Ubuntu 17.10 beta. What is the right way to submit a suspend bug? Is there a specific package?
The issue is:
New install of 17.10 beta 2 on XPS 13 9350
Select top right menu, ...
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Are there any drivers I need to install to get power management to work on my HP Elitebook 820 G1 with Xubuntu 16.04
I have a HP Elitebook 820 G1 laptop with Xubuntu 16.04 installed. Even though my power management settings in XFCE looks like this:
the monitor will go to sleep after X minutes and not wake up again.
...
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1
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TLP (advanced power management) on Gnome Ubuntu 17.04 on Lenovo x230
I have Lenovo X230 with Gnome Ubunutu 17.04 fresh install with all updates. I have installed TLP as per instructions:
sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get ...
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1
vote
1
answer
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Disable processors in power save mode
I have a laptop with 4-core Intel processor on Ubuntu 16.04. When I use it cores consum too much electricity and laptop's battery discharges too fast. I want to have availability to temporarily ...
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TLP charge thresholds (Non Thinkpad)
Hey guys how are you?
My question about TLP charge thresholds in Ubuntu Linux 17.04.
I have Lenovo Z51-70 in windows it had its utility that stop charging at 60% so the laptop can get energy from ...
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What is APM? And what exactly does it do?
What exactly is this setting?
I was messing around looking for ways to conserve power and I came across this setting inside of "Disks". I've never heard about APM before but I suspect it has ...
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Battery stopped charging: How to turn off Battery Charging Indicator?
My Laptop (Lenovo Flex 3, Ubuntu 17.04) just stopped charging the battery.
I still powers up with AC adaptor, but doesn't hold the a charge.
The battery indicator has gone crazy.
It keeps flashing "...
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Dell laptop 'dies' after disconnecting from the external monitor
I run Ubuntu 16.04 with kernel 93 generic on Dell laptop. When I disconnect the notebook from the large external screen (Benq BL 2405), DVI connection and close the lid, next I time I open the lid the ...
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Change power supply to another battery
I recently got a Thinkpad T470 that I installed Ubuntu 16.04 LTS on.
The computer has two batteries, one internal and one larger removable. My problem is that it drains the internal battery ...
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without AC adapter, wake from suspend does full boot (16.04 LTS)
Here are the scenarios:
Suspend and wake with AC adapter plugged in whole time: Works as expected
Suspend or wake without AC adapter (i.e. power state changes in between suspend or wake): Full boot,...
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Strange close lid behavior on GNOME
Recently I decided to switch to GNOME and it was glorious until I found out that I can't close the lid without the GNOME killing itself. I tried everything from the dconf-editor method to killing ...
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Is there any quick way to hibernate?
I am using Ubuntu 17.04, and have followed the hibernate guide at here, fortunately it worked.
I wonder if there is any way to hibernate except input command in terminal to hibernate? It would be ...
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What can be harmed by incorrect power off, and what can be checked?
What, if anything, should I be worried about after several improper shutdowns and power issues? (Ubuntu Server 17.04)
The short version of my story is the shutdown process would trigger my ...
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Laptop suspends during boot up
When I boot this 5th generation X1-Carbon (Ubuntu Gnome 16.04.3 with kernel 4.12.5) the computer will suspend in the midst of the boot process. The LED in the power button flashes slowly. Boot will ...
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Ubuntu 17.04 battery problems after session of gaming
So my current problem is: my battery percentage bottlenecks. I mean i reinstalled ubuntu and everything is fine and charging as usual. But when i game(i unplug charger) my battery drops to say ...
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How to disable screen dimming when on battery on Ubuntu 16.04
Surely there is a way to do this? What a useless feature. I have tried unchecking "Dim screen to save power" in Brightness and Lock settings but it did not do anything.
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Battery goes down to 0% on gnome3
Recenly I started experimenting with Ubuntu on my laptop (HP Pavilion X360). I chose the newest Ubuntu Gnome, because it's my favourite desktop environment. It looks really great for me, but there are ...
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My laptop sometimes turns off when suspending it
I'm on latest Ubuntu 16.04 fully up-to-date, x64 Acer Aspire E1-572G. Graphics drivers are the open source ones: radeon for the discrete card, and i915 for the integrated card (which is used by ...
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My computer doesn't wake up from suspend? And shows message Alarms can be upto a month in the future
I have an ASUS R558UQ-DM701D Intel i7 7500U Processor 2.7G,3M Processor speed
8GB Memory RAM, 1 TB Hard Disk, NV GT 940MX 2G DDR3 with Ubuntu 17.04. Whenever my computer suspends and when I try to get ...
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High fan speed after suspend only on AC [16.04]
I noticed that after suspend, if my laptop (Lenovo ThinkPad T470s) is on AC, the fan kicks in at 100%. If I resume suspend without AC, it works just fine. I noticed this on cold boot Ubuntu 16.04 (...
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My server turns off after I exit
I have my server set so that it is always on with AC power. I can login to my server, but when I exit my user from the server it shuts off. I usually have it on my login page before I close the lid, ...
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All the applications get closed on lid down when external monitor is connected
I have connected another display to my laptop. When I lid down, it logs out but it doesn't go in standby mode. Sometimes monitor turns to black and sometime it shows login screen. The main problem is ...
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Disable BDPROCHOT (thermal throttling) in Linux?
My laptop throttles to 400 Mhz whenever I connect it to charger. Without charger it works perfectly. For workaround I was using ThrottleStop on Windows and disabling BDPROCHOT there worked for me. My ...
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Suspend vs Screen Lock
If I have the "Brightness & Lock" settings enabling "screen lock" after x minutes, but the Power settings set to "never suspend", does that mean the machine will "sleep" or not?
It seems like a ...
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How do I prevent wake up from suspend by internal laptop keyboard
My laptop always wakes up from suspend when I take it in my bag, even the lid is closed, because keys of the keyboard are clicked.
I need that only the power button will wake up the laptop from ...
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Seem to lose my ssh when the monitor goes to sleep, why?
I am running Ubunut 14.04 and when the monitor goes to sleep the ssh connection is lost. I can't figured out why these two correlated. I had through perhaps the system was going into hibernate mode ...
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Ubuntu on MacBook: Power Usage
I have installed Ubuntu 16.04 on my Apple MacBook Air (2015).
The two major problems I face issue with Battery Backup.
The battery backup has been significantly reduced to 2-3 hours. The OsX was ...
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Ubuntu and UPower doesn't recognise charge state correctly
I have an Asus UX330CA.
Brand new computer (no I haven't tripped over the power cord.)
When the battery is not full, and it is plugged in, it responds correctly. (Battery icon in the top left, with ...
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Battery issues: Laptop shuts down at 70% battery left
I am using Dell latitude e6410 which is running 16.04
The problem I am facing is that my laptop shuts down when the battery is at 65-70%. Sometimes it lasts till 10% but mostly it will shutdown when ...
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How to disable sleep/suspend at login screen?
I've been at trying to do this for the last several hours with no progress.
I'm running Ubuntu 16.04 and I want to disable the sleep/suspend at the login screen (before logging in with any user) so ...
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3
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Dell XPS 13 shuts down/reboots rather than suspends/resumes
It used to work fine: I would close the lid and Ubuntu would nicely suspend and resume when I opened the lid.
Now I find that it does not. What happens first, I don't know, but on reopening the lid, ...
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How do I get the battery status on the status bar?
I am running Ubuntu 16.04 on a new custom PC (Proteus series from PC Specialist). These computers are not tested on Linux, so I'm not expecting any support from them. Maybe you can help?
I have tried ...
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Boot freeze (black screen) when booting without power cable (ubuntu gnome 16.04 / Dell XPS15)
I noticed some errors since yesterday. When I plugged in my power cable, my laptop froze (couldn't do anything besides a hard reboot).
When I tried to boot without power cable, I get a black screen ...
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0
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USB ports stop working randomly Ubuntu 14.04
I am using Ubuntu 14.04 LTS only 6 months and I started to notice that my USB ports stop working randomly without no reason. My mouse still flickers, but the pointer on the screen can not be moved ...
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Xubuntu overheating on MacbookPro
I installed Xubuntu 16.04 (64Bit) on my MacBook Pro Unibody Mid 2012.
I also have OS X 10.10.5 installed. It is getting ridiculously hot. I mean, really. Its freaking hot. I couldn't even touch it. ...
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System that worked fine with 12.04 LTS will not power off with 16.04
I decided to upgrade to a new SSD and 16.04 LTS as I have been running 12.04 LTS and it's out of date.
The install went fine, but the system which was working fine with 12.04 will not power off on ...
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Thinkpad T420 laptops overheating, but only when on AC power
I maintain two ThinkPad T420 laptops running Ubuntu 16.04 which have both started having overheating issues within the last few weeks. As both computers ran just great for many months before this, I ...
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Ubuntu cutting it's own power supply: What to do before power outage?
I have an Ubuntu file server which I would like to switch on/off using a remote control electrical outlet. I also have a device which receives and sends remote control signals; it is connected via USB;...
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Whenever I close my laptop lid my computer crashes
Every time I close the laptop lid, press the power button, shut down the computer or restart it, it's freezing (SysReq+REISUB doesn't help either).
When I'm on a terminal only TTY and close the lid I ...
user511549
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GNOME 3 16.04 LTS Unstable Battery Life
So I have a new Dell XPS 15" with a 97 wH battery, a 4k display and a NVIDIA GTX 1050. I installed GNOME 3 as my flavor of UBUNTU (16.04 LTS). In addition I added the nvidia-prime driver and tlp.
...
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Laptop Failed to shutdown[stuck at reboot: Power down]
I have triple boot setup with Windows 10, Kubuntu and DeepinOS.
Last night when I shut down from menu in Deepin OS it stuck at reboot: Power down.
However, the whole shutdown process completed, ...
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1
answer
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TLP settings being ignored
I have my /etc/default/tlp set so that, when on battery, the CPU will scale between 30% and 60%. Running tlp-stat -p (output below), I can see those settings are being recognized. However, the actual ...
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Ubuntu 16.04 Suddenly Powers Off After Unplugging Charger
I have a Dell Inspiron 7560 which I have bought very recently. I have dual-booted Windows and Ubuntu Mate 16.04 on it.
Ubuntu suddenly powers off after a few seconds of unplugging the charger (this ...
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tlp-stat and power indicator show different battery levels
Ubuntu tells me in the menu bar that my battery percentage is 86%:
While tlp-stat says it should be 95.9%
sunqingyao@sunqingyao-MacBookAir:~$ sudo tlp-stat -b
--- TLP 1.0 ----------------------------...
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How to achieve same battery life on Ubuntu LTS 16.04 as Windows 10 using Nvidia graphics adapter? [duplicate]
How to achieve same battery life on Ubuntu LTS 16.04 as Windows 10 using Nvidia graphics adapter?
I've tried disabling the Nvidia 940MX in BIOS, but there is no option available to do this.
I know ...
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