Questions related to power management, particularly power saving measures.

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1
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2answers
1k views

Laptop doesn't suspend when lid is closed

I have LTS Ubuntu 12.04 and when I close my lid the screen goes black but doesn't suspend because I can feel it getting warmer as if it was processing something. When I open it back up after an hour, ...
3
votes
1answer
3k views

How do I stop Xubuntu 13.10 from suspending when I close lid?

I just upgraded to 13.10 and tried configuring at the Settings Manager, but it doesn't seem to work. So I tried configuring xfce4-power-manager/lid-action-on-ac and it didn't work eiter. Then, at last,...
3
votes
3answers
5k views

How to disable screen and powersaving during Video Playback

So I have noticed, even going back to Ubuntu 11.xx releases the screen for some ungodly reason dims itself while a video is playing. Iv'e even observed the thing go into sleep mode with the audio ...
4
votes
2answers
2k views

Change power button to 'Ask' in Xubuntu 13.10

I have recently installed Xubuntu 13.10 on my Vaio vpcea making me a Linux beginner. The problem is that laptop's power button is right on the edge of the bezel making it far too easy to press ...
0
votes
1answer
206 views

Power Consuming by Power statistics

Does the power axis in power-time curve in 'power statistics' application denotes to watt per hour ?
0
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0answers
22 views

Knowing how much energy my computer consumes per houre [duplicate]

Is there a way to find out how much energy my computer is using? My friend tells me that Ubuntu has a 'power statistics' application to do this. Is this correct and if so how do I use it?
9
votes
2answers
7k views

Closing laptop lid suspends Lubuntu, since upgrade

I recently upgraded my Lubuntu from 13.04 to 13.10. I have my xfce-power-manager set on the lock screen action on lid close, but closing the lid still suspends the laptop in 13.10. How can I set it ...
4
votes
1answer
3k views

Xubuntu 13.10 shuts down without asking when power button pressed

Since I upgraded to Xubuntu 13.10, I can't seem to make the power button bring up the xfce shutdown dialog. I never had this problem on 13.04, but even after a clean install it persists. When I use ...
1
vote
1answer
1k views

Xfce Power Manager on Xubuntu 13.10 doesn't work

The problem is that its actually works, but something works with Xfce Power Manager at the same time. For example, I set that if I pressed Suspend button (on my Lenovo B560 its Fn+F2 hotkey) then ...
4
votes
3answers
17k views

How to enable hibernate on Ubuntu 13.10? [duplicate]

Something I usually do after installing Ubuntu is reactivate the hibernation function. I find it quite useful to function for the more energy concious. Typically, I'd complete the instructions in ...
0
votes
1answer
241 views

power method script not running on startup

I recently made this entry asking about power profile. I followed the instructions which were liked in the answer. It worked. However it is not longer working after I reinstalled grub. This is what I ...
0
votes
1answer
215 views

How can I change my graphics card power profile?

The fan on my card is noticeably louder in ubuntu than in windows. I suspect this is because it's running on a medium / high power profile, how can I change it to low? Video card: Radeon 9670
1
vote
1answer
408 views

Wi-fi goes out after my computer suspends

First off, in 13.10, there is no hibernate option in the power setting. And even then, when I change the setting they don't stay saved like they did in 13.04. But my main problem is when I wake my ...
50
votes
4answers
31k views

Hibernation is still missing from menu in 13.10 after enabling via polkit. How to enable?

I know that since 12.04, we need to add a policykit rule to enable hibernation (see question How to enable hibernation? and the Official Documentation). I can successfully bring my laptop into ...
2
votes
1answer
521 views

Ubuntu Heating Up, Continuos Fan, Hadoop Installation Worries on AMD 64

I have a laptop, Model: Compaq Presario CQ40, RAM: 2.7 GB RAM, Processor: AMD Athlon X2 Dual Core QL - 64*2, Ubuntu 12.04.3 LTS 64 bit and Windows Vista 32 bit (Factory Installed) My laptop gets ...
52
votes
1answer
42k views

Ubuntu Server 13.10 now goes to sleep when closing laptop lid

I recently upgraded to the latest version (13.10). I have it running on an old laptop. Since the upgrade, whenever I close the laptop lid, it goes to sleep mode. Any idea on how to fix? I've ...
2
votes
4answers
18k views

Jupiter in Ubuntu 13.10 (Laptop Overheating)

I was wondering if Jupiter (Interface for display, power and device control) will work in Ubuntu 13.10, because my laptop (Toshiba Satellite C855D, AMD A6-4400M with Radeon HD Graphics running Ubuntu ...
1
vote
2answers
929 views

/etc/pm/power.d scripts not executing after update to 13.10

I recently updated to Ubuntu 13.10 and realized that scripts in /etc/pm/power.d do not fire anymore. Has something changed in the way pm-utils work? Is there any way to make it work. I have a script ...
1
vote
2answers
879 views

Ubuntu 13.10, bumblebee and power management problem

First of all my laptop is asus n55sf with ubuntu 13.10. I've installed bumblebee and it's working quite good (I've tried e.g. optirun firefox and it's working fine). Right now I have problem with ...
1
vote
0answers
433 views

Battery Not Present XPS 15z U13.10

So I recently reopened my old laptop which was running ubuntu 12.04 lts. When I opened it, i noticed the battery was stated has ''Not Present'' in the top menu bar. When I click on that label, it ...
2
votes
1answer
101 views

Ubuntu 13.04 on Gateway NV57H44u turns monitor idle even when told not to

The screen is shutting off when power settings are NOT set to make it turn off. I am running Ubuntu 13.04 on an Gateway NV57H44u. For some reason my screen keeps going to sleep (going blank) after 10 ...
0
votes
1answer
1k views

/dev/rtc0 not enabled for wakeup events and Cannot write '0' to /sys/class/rtc/rtc0/wakealarm

I am having Ubuntu 13.04 desktop 64bit When running rtcwake -s 30 , I get following results: rtcwake: assuming RTC uses UTC ... rtcwake: open failed: /sys/class/rtc/rtc0/device/power/wakeup: No such ...
1
vote
1answer
72 views

No battery indicator when logged in as second (non-sudo) user

I'm using Ubuntu 12.04 with Unity. I have a setup with two users, one with sudo privileges for admin use, and one without for daily use. When logged in as the non-privileged user, there's no battery ...
0
votes
1answer
466 views

Why 's my HP Laptop's HDMI turning off when I close my laptop lid?

HP PAVILION G6 UBUNTU 12.10 I've disabled the screen-saver, suspend etc from gconf-editor and /etc/.../ sys files only to fail in my quest each time with no particular success. This might've been a ...
1
vote
0answers
199 views

1 hour of battery life lost in 10 seconds

Whenever I plug my charger out, the lifespan of my battery suddenly drops from 90 minutes to 30. By "suddenly" I mean it literally takes it around 10-15 seconds at most to drop. My battery isn't new, ...
0
votes
1answer
668 views

Command sudo halt don't run : speed dispatcher disabled edit /etc/default /speed dispatcher

when I do sudo halt the computer shutdown but a black screen appear: where it was written lots of lines whose line Speed dispatcher edit /etc/defaut/speed-dispatcher
1
vote
3answers
3k views

Sony Vaio VPC-EC Series, CPU Temperature very high.

I know this has been asked quite a few times before, but after some intense research I still could not fix my CPU problems. I'm running Ubuntu on a Sony Vaio from the VPC-EC series. Under windows 7 ...
1
vote
1answer
1k views

sometimes xfce4-power-manager stuck

sometimes the xfce4-power-manager does not show up in the panel and it`s not working at all, and sometimes is working. when it`s not working I have 2 solutions: log out, and log in. start system ...
2
votes
2answers
587 views

Battery backup not as long as expected and system temperature rises when using Ubuntu

I'm using both windows 7 and ubuntu-13.04 in my acer aspire 5738g notebook. I get 3 hrs battery backup in windows 7. But in ubuntu it shows only 1.30 hours but as it goes on to ( it shows 1.30 but ...
2
votes
1answer
343 views

How do I disable screen blanking in Ubuntu Touch

I have a Nexus 7 on my desk which I am using as a "second" screen as I work. It's displaying useful data to me. As such I don't want the screen to blank at all as it's plugged into a charger and I ...
3
votes
1answer
593 views

Laptop lid closed - with external Monitor

How to work on my other monitor when i close my laptop's lid? I connect my external Monitor (HDMI) to my laptop and then close the lid. Normally it (should) display everything on the external one. ...
2
votes
2answers
342 views

Lid switch on notebook stopped working after update. How can I fix it?

The lid switch of the notebook Lenovo Thinkpad X230i had worked just fine: closing the lid lead to a suspend as expected. After an update of the system on the 18th of September1 the lid switch seems ...
1
vote
1answer
211 views

Power-Consumption, switching off Graphiccard?

I'm pretty new to Linux, nevertheless I built a server from an old computer and I'm currently running ownCloud, Minecraft and a Webpage on it. I would like to reduce the power consumption to a minimum....
3
votes
0answers
381 views

Laptop immediatly goes to sleep after disconnecting power [closed]

I've Lenovo S400 laptop, dual boot with windows 7 and ubuntu 13.04. The problem is that whenever I disconnect the power adapter, ubuntu shows that battery level is critically low and goes to sleep. ...
5
votes
2answers
11k views

How to prevent my screens from turning off, when the screen is locked?

I would like to have my screen fully powered at all times, but it goes to standby once I lock my PC.
0
votes
1answer
131 views

Laptop “do nothing” does not work

I've just installed 12.04 on my laptop. At home, I use an external monitor and keyboard and would like to close the lid on my laptop. In settings under Power, I've selected "Do nothing" for when the ...
2
votes
1answer
91 views

Grub Power Down If Idle

So, I have reign over 200 PCs at my work place, which are all dual boot Win 7 and Ubuntu. We want to encourage usage of both OSes, so there is no timeout to the GRUB screen. GRUB will remain on screen ...
10
votes
1answer
2k views

How to count battery cycles?

Like most users that have searched know, Manufacturers ACPI implementation is a mess and for most of our laptops, battery info is unavailable or wrong (on a dell inspiron 15z, the rate is divided by ...
1
vote
1answer
145 views

I've got some problems on Ubuntu 13.04, any help!

I can't set script (or by any other way through terminal) for making thresholds for battery charging, Also I know that Lenovo users provided tp_smapi kernel module which make this issue not considered ...
0
votes
1answer
1k views

Timed Shutdown - shutdown after 30 minutes [duplicate]

I am running Xubuntu 13.04, I got in the habbit of closing my Acer Netbook and forgetting about it for a week+. I open it up to find it has still been running. How do I set it to shutdown after 15 ...
1
vote
1answer
450 views

Laptop Charger Not Recognised Properly on Samsung NP900X3F

Firstly thanks for your time. Secondly, having an issue with my power charger on my Samsung Series 9 NP900X3F. When I boot into Ubuntu with the charger plugged in it recognises it as charging. When I ...
4
votes
1answer
246 views

Which file is called or event is fired when we plug-in / plug-out power supply to the laptop?

Everytime I plug-in or plug-out powersupply the CPU frequency is changed to 'powersave' which results in reduced efficiency. I need to be on 'performance' all the time. I've made a small java utility ...
4
votes
0answers
601 views

Lubuntu - xfce4-power-manager alternative

Can I uninstall xfce4-power-manager and set my suspend settings somewhere else? How would I be able to check my battery status? I would like to get rid of xfce4-power-manager because of my problems ...
2
votes
0answers
310 views

How to check what suspends? Lubuntu saucy

I have a Nokia Booklet 3G and I have a problem (not one, actually) with Poulsbo suspend/resume. I installed Lubuntu saucy (beta), which runs smoother than previous versions (it actually boots, unlike ...
3
votes
1answer
169 views

What will be the power backend for (K)Ubuntu 13.10?

I have Kubuntu 13.04 installed. KDE uses powerdevil to manage hibernate/sleep, which in turns seems to use pm-utils backend. pm-utils is unmaintained, and broken at this point1. For example, I had to ...
9
votes
4answers
27k views

Power on/off USB ports

Is it possible to on/off specific usb port using terminal in ubuntu? lsusb displays the following result Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002:...
0
votes
1answer
3k views

Lenovo X1 Carbon is not charging battery even if plugged into AC [closed]

I installed Ubuntu 13.04 on my X1 Carbon Touch laptop yesterday and everything worked fine, the battery charged as usual. Today I've noticed that the battery indicator shows me that I am working on ...
0
votes
1answer
2k views

Disable hibernation

As simple as it sounds I cannot disable hibernation. I have disabled any GUI option to disable hibernation but my acer aspire one has decided to start hibernating after an hour. When I first ...
1
vote
1answer
434 views

Gnome Shell battery indicator shows 2 batteries

I'm running Ubuntu 13.04 Gnome edition with Gnome Shell 3.8. The battery status indicator menu (the one that appears when clicking the battery icon on top bar) shows me two batteries whereas I only ...
2
votes
0answers
239 views

Apple Keyboard / Trackpad using too much power?

If I open powertop my keyboard / trackpad seems to be using 10+ watts of power at 100% usage at all times. I feel like this may be a bit excessive. Is it normal for the keyboard / trackpad on my ...