Questions related to power management, particularly power saving measures.

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62 views

Modify power / sleep setting via command line SSH

I want to change the power management sleep via SSH for a logged in user I set the value sudo -u user dbus-launch --exit-with-session gsettings set org.gnome.settings-daemon.plugins.power ...
2
votes
2answers
58 views

How to simulate closing the lid?

I have probem with my laptops monitor. When I move my laptop, sometimes screen goes white, blank. Then I have to open and close lid. It is very annoying because when I open it its moves and turn white ...
0
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0answers
33 views

Lubuntu resumes from standby half a second after going to sleep

So, I installed Lubuntu 13.10 on a Toshiba Satellite C855D-S5900, then I upgraded to 14.04. Whenever I tell it to sleep, or when the xfce4-power-manager tells it to sleep, it does so for about half a ...
0
votes
2answers
61 views

Broken package ubuntuone-control-panel-qt

An interrupted installation of updates resulted in ubuntuone-control-panel-qt breaking and now I cannot install or update anything. There seems to be an error in python2.7 - ImportError: No module ...
3
votes
1answer
162 views

Run a Script when Power Button is Pushed

I'm trying to run a script once I push the power button instead of having my machine turn off. I'm running Ubuntu Server 13.04, but any answers also need to work on Server 14.04. I've looked at ACPI ...
0
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1answer
32 views

Permanently end processes

The point is that i installed xubuntu and at one point i get on the screen one light bulb increasing and decreasing the light on the display (laptop) so i found in task manager that it is this ...
0
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1answer
105 views

The fans are noisy

I have an ASUS laptop that works fine: fast, no overheating etc. My problem is that the fans always run. I find this very annoying because in a silent room they are really loud How can I control ...
2
votes
2answers
348 views

xfce4-power-manager does not open

I recently changed my DE from Unity to XFCE. I really enjoyed it, but the power manager doesn't work. When I try to open it from the settings menu, I get the following error: Unable to connect to ...
1
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0answers
57 views

When the system resumes the default route is missing [closed]

A notebook running Ubuntu 13.10 (xfce), using wifi, and until recently when I shut the lid down it suspended nicely, and when I opened the lid it resumed, and auto-connected to the wifi. Now it no ...
1
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0answers
37 views

How to disable HP Envy light sensor auto-dimming

I swapped my windows OS for Ubuntu a couple of months ago. I had no idea HP Envy came with this annoying feature described here... ...
0
votes
1answer
814 views

Ubuntu 14.04 draining battery very quickly

I know there are several other questions very similar to this, but I feel that questions like this are specific to the system you are running and so there is not really a "one size fits all" type of ...
1
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0answers
114 views

Slow performance on LXDE due to power setting

I was very happy with my LXDE running on my Dell XPS 13 until, a few days ago, I found myself confronted with a dialgue box that presented the choices "desktop" or "laptop". It was set to "desktop", ...
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0answers
21 views

Why does usb power go off?

When i boot ubuntu from dvd, the mouse and keyboard work up to the point where i must choose to try or install ubuntu. The keyboard and mouse still have power while loading or installing. But when the ...
1
vote
1answer
76 views

What commands the suspend item in system menu really launch?

On my laptop trying to go in sleep mode using the Unity Sleep item (or closing the lid for what it is worth) does not work well (it goes in suspend mode very slowly and after that I am unable to wake ...
1
vote
0answers
58 views

Open lid to wakeup the system, get white screen

I got a new Dell M3800 laptop and I use gentoo+fvwm In /etc/acpi/lid.sh , I use echo -n mem >/sys/power/state to let the system sleep when the lid is closed. The problem is when I open the lid, I ...
1
vote
1answer
133 views

when I close my laptop lid and reopen my machine suspends

I have this weird problem with my new Xubuntu 14.04 installation. When I close my laptop lid, the box will suspend alright. After I decide to reopen my box to continue what am doing the screen will ...
0
votes
1answer
2k views

Xubuntu 14.04, Power Manager, Screensaver

When my computer is inactive, I keep getting a black screen and the screen goes into locked mode asking for a password, even though in Power Manager I have "Never" set for actions and monitor and ...
2
votes
0answers
24 views

Ubuntu still shuts down after I plugged my charger in

On Kubuntu when my battery is dying and I plug my charger in, it says "All suspensions have been cancelled." On Ubuntu or more accurately, Unity-based distors, it still shuts down after plug in my ...
2
votes
2answers
3k views

loud fan on Ubuntu 14.04 [duplicate]

I have a Dell Latitude E5420 laptop which I upgraded from Ubuntu 13.10 to Ubuntu 14.04 a few days ago. I can't help noticing a new annoying behaviour of the fan: it repeatedly gets loud every 1-2 ...
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0answers
49 views

How do I get a warning before my laptop powers off?

In previous versions of Ubuntu, when my laptop battery hit somewhere around 20% power, the icon in the Gnome panel (I use Flashback) would turn red. Also, there would be intermittent warnings telling ...
0
votes
1answer
74 views

“Sometimes” fails to go into suspend mode

I have been using Ubuntu since 13.04. I am using Ubuntu 14.04 now. When I first installed Ubuntu 13.04, there was no problem about suspend mode. However, since some time ago, suspend mode has started ...
2
votes
0answers
100 views

Sleep mode problem [closed]

I've jumped the ship and I am sinking into dark waters of Linux.. :-) Hopefully to see bright future. I need some assistance or guidance as I am new to linux. I have installed Latest version of ...
1
vote
0answers
447 views

Xubuntu 14.04 resume form hibernation/suspend error [closed]

Every time the system comes out of hibernation/suspend, I get the following error: [107691.012100] dpm_run_callback(): pmp_bus_resume+0x0/0xa0 returns -19 [107691.012101] PM: Device 00:07 failed to ...
1
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0answers
96 views

Battery Threshhold

I recently installed Ubuntu 14.04, which is really nice but my battery is not charging past 59%. I recall tinkering with Lenovo battery management on Windows to reserve the life span but I wiped ...
0
votes
1answer
80 views

UPower reports Incorrect Capacity

I've just replaced my old Netbook battery with a new one of higher capacity. It was a cheap battery off of Amazon which clearly reads as a 5200mAh battery but Ubuntu reports the battery as being the ...
1
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0answers
49 views

Turn off battery control in Ubuntu 12.04

I own a Lenovo Ideapad Yoga 11S that suffered from battery failure when i poured coffee over the keyboard. I have checked the battery voltage manually and it is full. The computer also seem to be ...
0
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0answers
142 views

Thinkfan config for x240

I just installed ubuntu 14.04 on my ThinkPad x240 and was playing around with thinkfan(see http://thinkwiki.de/Thinkfan [German] and How to control fan speed?) a bit. However, I was not able to find a ...
2
votes
1answer
1k views

xfce4-power-manager suspend not available for lid close

Running a clean install of ubuntustudio 14.04 the suspend and resume works when using the power button or selecting it from the user menu but is not available in the xfce4-power-manager-settings. Only ...
3
votes
4answers
654 views

Different fan behaviour in my laptop after upgrade, what to do now?

After upgrading from lubuntu 13.10 to 14.04 the fan of my laptop seems to run much more often than in 13.10. When it runs, it doesn't run continously but starts and stops every second. fwts fan ...
0
votes
1answer
114 views

Laptop screen goes blank after 33 seconds of inactivity

I have a Lenovo Thinkpad T60 running 12.04.4 LTS, Precise Pangolin; the desktop is KDE. Starting today, the display goes blank after 33 seconds of inactivity. Clicking or even moving the mouse, or ...
-2
votes
1answer
324 views

install bettery drivers for ubuntu 14.04

I have recently installed ubuntu and it seems ve[]ry power consuming. after installing it it heats up too much. is there any battery drivers available here for ubuntu. my leaptop configuration is: ...
0
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0answers
65 views

Dell Inspiron n4110 Doesn't Start with recurring low battery beep

Took the Dell n4110 Inspiron to school today, I opened it up, and when the low battery noise beeped I realized I forgot to charge it and shut the lid immediately as it was loud and in the middle of ...
0
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0answers
34 views

How to restore default power plan to ubuntu 12.04 lts

I've been having battery plan issues. When my laptop is unplugged ubuntu becomes slow. When it's plugged everything is fine. I assumed something was wrong with my battery plan or something like ...
0
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0answers
127 views

CoolSense for HP Envy dv4-5266LA on Ubuntu 14.04

I recently installed Ubuntu 14.04 on my HP Envy dv4-5266LA laptop. I have a problem because my computer is too hot, and the battery drains very fast. Please help to solve this problem that may be ...
1
vote
1answer
223 views

Standby sometimes needs hard reset on Ubuntu 14.04

After setting up a fresh Ubuntu 14.04 on a Lenovo W540 I sometimes experience standby problems. About 50% of the time standby works fine. I close the lid or click standby on the menu and it goes to ...
1
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0answers
148 views

KDE does not notice laptop running on battery

After upgrading to Kubuntu 14.04, KDE does not notice that the laptop is running on battery! The battery icon continues to show the 'charging' symbol. But the battery level shown in the icon keeps ...
3
votes
1answer
184 views

Ubuntu wakes up automatically after suspending

I'm having this problem since Ubuntu 12.10/13.04 i think, now I have 14.04 and the problem stills. When I click the suspend button, the Ubuntu suspends normaly but after 1 or 2 seconds it turns on ...
1
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0answers
195 views

Light locker isn't saving my changed settings

I installed Xubuntu 14.04 on my Asus N10J Computer, and Light Locker and it isn't saving my settings changes to it. I have tried restarting my computer, logging out... it doesn't work. I want to ...
0
votes
0answers
379 views

Lenovo Z510 working extremely slow on battery

Ubuntu 12.04 on Lenovo Z510 i5. When AC power adapter is plugged in, everything is fine, the system is working fast. When i unplug the AC adapter, ubuntu is going to work extremely slow. I ...
1
vote
0answers
717 views

Ubuntu Server losing network connection

My issue is simple, yet really complex. I recently installed Ubuntu server on an old stripped down laptop. It's a SAHARA LE1D, 1.4 Intel Celeron m I think. It's an old one, but still good. The eth0 ...
0
votes
0answers
29 views

Dell D631 + secondary battery can't boot- 14.04 x64

I have a secondary battery in the CD/DVD bay on a Dell D631. With battery installed Ubuntu 14.04 64bit won't boot, stalls at "trying to unpack rootfs image as initramfs". Without secondary battery, it ...
9
votes
2answers
2k views

Fan is always on, CPU usage is rather low and can't find the fan or thermal_zone proc files

I have an Asus N76VB notebook with Ubuntu 14.04 and TLP for power managment. However, the fan is always on. It's not really loud, but it's annoying. My CPU usage is around 1-2%. It's clocked at 1.20 ...
1
vote
4answers
1k views

Poor battery life UX32VD Ubuntu 14.04 with optimus 4000/620m

I'm running Ubuntu 14.04 ux32vd laptop and am getting only 2 hours of battery life where as on my Windows partition I get 6. I'm using a zenbook ux32vd with Intel 4000/nvidia 620m. I have the ...
2
votes
0answers
459 views

Laptop power saving or management in Ubuntu 14.04

Is there any sort of installation that can be added to provide power options for when I am running on battery? I wouldn't want to always be on power savings, so I would hope I could switch between Eco ...
0
votes
0answers
78 views

Ubuntu never resumes from lid close, absolutely never

Whenever I close the lid to my computer, it goes into standby just like it did on windows 7, though when I open the lib on my Dell Vostro 1720, it shows a kde password dialog just like the one shown ...
0
votes
1answer
241 views

Nvidia GPU not upto satisfactory level after 14.04 upgrade

Before upgrading from saucy to trusty, I was happily using nvidia drivers for my GeForce GT 635M GPU. The heating and battery draining rates were under check. and the fps were high. After the ...
0
votes
1answer
118 views

Power consumption in Ubuntu 14.04

I am using 14.04 in Virtual Box. Each time i switch on the VM, the laptop powers off. The host being Windows 7. It is already over 7-8 times this has happened. Please let me know how to nullify this. ...
1
vote
1answer
561 views

The screen locks as soon as I close the lid of my laptop

Whenever I close the lid, there it is the computer is locked. And I don't find any option in the power manager provided by Ubuntu to turn that feature off. Is there a tweak available? There might be ...
0
votes
2answers
538 views

Xubuntu 14.04 Power button instantly powers off laptop instead of showing shutdown menu

Laptop is Lenovo Thinkpad X120e. lshw -short output /proc/cpuinfo The setup is pretty much standard. Not customized in any way, since I just installed it. No packages related to drivers installed, ...
0
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0answers
42 views

Is that bad statistics for my Laptop battery?

Battery capacity is 76.4 %. Is that bad? Does it mean my battery is dying? Actually it's decreasing everyday by .1.