Questions related to power management, particularly power saving measures.

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0answers
10 views

Ubuntu comes out of hibernate/stand by randomly

I have an ubuntu 12.04 laptop and it comes out of hibernate or standby randomly. For example, yesterday I selected hibernate, closed the lid and put it in my computer bag. 24 hours later, it is ...
0
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0answers
43 views

Novatech Elite N1716 /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed

For some reason pwm doesn't detect my fan sensor modules. Here is the output of pwmconfig $ sudo pwmconfig # pwmconfig revision 6166 (2013-05-01) (...) /usr/sbin/pwmconfig: There are no pwm-capable ...
0
votes
1answer
23 views

Ubuntu 14.04 wakes from suspend by itself

My machine seems to wake up from suspend by itself, at irregular intervals. Causing the power to die out, and machine turn off. It is quite the annoyance, when the machine is in my case and it wakes ...
0
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0answers
11 views

Suspend disabled

When I click the power options, the ability to select suspend/hibernate is disabled for the laptop lid close action: I believe I am missing some packages to make this work. What are they?
2
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2answers
488 views

Why is my notebook going to sleep when lid is closed even If I disabled it?

Here is my situation: I installed Xubuntu 13. 10 I added the Cinnamon PPA and installed Cinnamon 2. 0 I removed all the GNOME stuff, that came with Xubuntu Everything went fine so far...but... ...
1
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3answers
1k views

How can I disable asus-nb-wmi when using battery power mode?

I'm trying to improve the battery life of my Asus U32U notebook. I'm running Ubuntu 12.04 64bit and using powertop it shows the following: PowerTOP 1.97 Overview Idle stats Frequency stats ...
2
votes
1answer
128 views

Is there any battery management software to work with a laptop plugged to AC power so as to save the battery lifetime?

I was used to remove the battery of my laptop whenever I worked with my computer plugged to AC power and to load the battery with the computer switched off so as to save the lifetime of the battery. ...
0
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0answers
39 views

/usr/lib/pm-utils/power.d script not working

I'm using ubuntu and trying to get pop-up notifications when power adapter removed. I placed my script at /usr/lib/pm-utils/power.d and made it executable, but the script seems not called when I ...
0
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0answers
28 views

Ubuntu 14.04 Shutting Down when Idle

I did a PC build a couple of weeks ago, installed Ubuntu 14.04, no problems. Recently, I've been doing some work that required that I leave the machine running some scripts over night. When I would ...
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0answers
18 views

Samsung ATIV 8 has terrible battery Lifetime with Ubuntu 14.04 - it's only 30% of Windows 7 Lifetime

Now, I have read quite a couple of posts about this subject but I am wondering if anyone actually found something that gets the power drainage close to Windows 7. I use an Samsung ATIV 8 (Samsung ...
0
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2answers
39 views

Bettery life issue with Ubuntu 14.04 LTS amd 64 bit [duplicate]

i have dell 5537 i5 4th Gen laptop. after installation of ubuntu 14.04 LTS amd 64 bit version on my laptop. my laptop battery life is decreasing very quickly .and life bet-try is showing 1 ...
0
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1answer
606 views

Will not shut down

My Dell Inspiron 1720 Laptop with 12.04 with latest updates will not shut down when commanded off. After each upgrade it will probably turn off once, the next time it is commanded off, it will shut ...
1
vote
2answers
86 views

Asus UX31 ultrabook suddenly shuts down when below 50% battery

I've heard over the years that this computer had issues with the BIOS settings but that by 13.10 it had been cleared. It never used to happen on 13.10 but now that I'm on 14.04 it started showing ...
4
votes
3answers
16k 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
0answers
16 views

How to install a orig.tar.gz installed package

Hey all I downloaded this file (http://packages.ubuntu.com/lucid/laptop-mode-tools) but can't seem to be able to uninstall it. I tried looking online as well as the README file but there is only ...
0
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0answers
22 views

Can I enable hibernation mode in my case?

I was reading this question on how to enable hibernation because I'm interested in sending the computer to hibernate instead of power off when power is low. After trying sudo pm-hibernate, the ...
1
vote
1answer
17 views

In xfce4, how to set the critical value on the battery level?

In xfce4, xfce4-power-manager handles hibernation or suspend when battery power is critical. xfce4-power-manager-settings enables one to change the action but not the critical value. How to set the ...
0
votes
0answers
16 views

Is there a way in ubuntu to setup different power plans and switch between them easily?

Im looking for the Ubuntu equivalent of Windows 'power plans'. In Win 7/8 I was able to set up custom plans and switch between them. It was also possible to choose what happened when my laptop was ...
2
votes
1answer
665 views

How does Jupiter work

Jupiter is a powersaving applet, which can switch between maximum power, high power and save power. Definitely it does more than just setting the CPU speed, as the recommendations of powertop change ...
0
votes
2answers
419 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, ...
1
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0answers
35 views

Fan not working increasing CPU temperature

I have Dell Vostro 1014 laptop. I am using Ubuntu 12.04 LTS. The fan of my laptop is not working anymore and increases the CPU temperature upto 85 degree Celsius. I followed the solution given on this ...
3
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1answer
504 views

Is there a way to run the laptop only on AC power without removing the battery?

Is there a way possible to run a laptop only on AC power without having the need to remove the battery i.e. to disable the charging as it is possible in Windows 7.
0
votes
1answer
8 views

How to set Ubuntu with Cinnamon to hibernate when lid is closed with external monitor?

If I have external monitor attached, closing lid won't hibernate my computer. In normal Ubuntu I could edit this in power settings but how could I set set my Ubuntu with Cinnamon to do this?
1
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0answers
24 views

Lenovo x1 carbon (gen1) battery life

I'm using an Lenovo x1 carbon (gen1) and have Ubuntu 14.04 and tlp installed. I'm really dissapointed about the battery life. Some people claim to have 6 hours ...
0
votes
1answer
2k views

battery icon / power indicator not shown in menu bar after upgrade to 12.04

Since the upgrade from 11.10 to 12.04 the battery icon / power indicator is not shown any more in the menu bar. I went to 'system settings'-->'power' and tried to set 'show battery status in menu ...
0
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0answers
16 views

My Toshiba Satellite P855-331 PSPKFE laptop with Geforce GT 630M is overheating under Ubuntu 14.04 [closed]

I have dualboot Windows 8.1 and Ubuntu 14.04. On windows I have no problems with heating at all, but under Ubuntu I have to run an extra fan and my laptop is still overheating. Any suggestions? ...
0
votes
0answers
50 views

My system restarts after sleep/suspend

I just replaced windows 7 on my old machine (4 years) with Ubuntu 13.10 and the installation seemed smooth. However, when I do a wake-up call from suspend/sleep, the laptop restarts when I shutdown, ...
4
votes
1answer
741 views

Laptop shuts down upon waking from suspend

The computer enters suspend either by closing lid, choosing suspend from the top-right drop down, or hitting the power button and pressing suspend. It doesn't matter. I then attempt to wake the ...
0
votes
0answers
17 views

How to disable Suspend and Hibernate functions? [duplicate]

I don't use neither suspend nor hibernate PC function at all. I do only shutdown and reboot. However it comes into my way sometimes, i.e. when I accidentally click on "Suspend" instead of "Shutdown" ...
0
votes
0answers
258 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 ...
2
votes
0answers
486 views

Periodic clicking sound from PC speaker, revisited [closed]

I've read several posts around the web about this issue of random clicking sounds coming through people's speakers in Ubuntu. The most helpful reply for my circumstances seems to be Periodic clicking ...
1
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0answers
35 views

Battery drain and over heating on Dell XPS L502X

I own a Dell XPS L502X and it works fine if is booted under "Windows 7". No issue(over-heat or quick-battery-drain) is observed while using the laptop. After the recent installation of Ubuntu ...
0
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4answers
120 views

Low battery life in Ubuntu 14.04

I did a clean install of Ubuntu 14.04, along dual booting Windows 7. I love Ubuntu but then suddenly the power went out and the next thing I know my battery ran out of juice in less than 30 ...
1
vote
0answers
62 views

Black screen on resume after suspend, pm_test is fine [closed]

I'm using Ubuntu 14.04 on a Lenovo IdeaPad S205. When I resume from suspend-to-RAM, fan goes on but screen stays off. The computer does not respond to anything except a hard shutdown (press and hold ...
6
votes
1answer
422 views

How do I get a wireless USB keyboard to to wake Ubuntu 13.10 from suspend?

My PC with Ubuntu 13.10 is set to suspend after 30 minutes of inactivity. Up until it suspends I can resume working at any time using my Logitech K400r wireless USB keyboard. The OS defect/problem ...
3
votes
1answer
129 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 ...
1
vote
1answer
46 views

Blinking moon of death since SSD upgrade on standby [closed]

I own a Lenovo SL510 (4G RAM) and I just upgraded it with a Samsung 840 Evo 120G. Previously I was using Ubuntu. Later on I switched to Linux Mint Nadia. At the very beginning (Ubuntu 10.10 I guess) ...
2
votes
1answer
132 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
vote
1answer
824 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 ...
1
vote
0answers
42 views

Is There a Way to Force Lid State to Open

My Lenovo X1 Carbon Laptop with Ubuntu 14.04 has a problem where the screen and keyboard stopped working. It does work if I use an external monitor and keyboard. I think the reason for this is that ...
1
vote
0answers
43 views

Power ON after lid open

I have re-installed Ubuntu 14.04 on my Sony SVF1521 laptop. When I open lid, automatically turn ON power. I checked Power setting I didn't found any option for disabling this action.I didn't use any ...
-1
votes
1answer
247 views

overheating when using ubuntu14.04

I installed ubuntu 14.04 in my asus intel i5 laptop. The laptop is heating up to a high temperature quickly which I never seen when using the windows. Can anybody give a solution?
2
votes
0answers
84 views

Prevent resume from suspend on lid open for 14.04

I'm running Ubuntu 14.04 on an Asus n550jv. I had this problem in 13.10 also. I want to disable resume-from-suspend when the laptop lid is opened. The traditional answers to this involve echo "LID" ...
5
votes
4answers
2k views

How can I find out the current drive spin-down time?

I'm interested in manually adjusting my hard drives' spin-down times with hdparm -S to make them quieter at night. The first thing I need to know is what their current spin-down times are, to use as a ...
19
votes
5answers
35k views

How can I control HDD spin down time?

I have 2 HDDs in my PC. Ubuntu is turning off the secondary HDD very quickly after about 15 minutes, which is short for me. I need to control this time. How can I do it? I tried GNOME power ...
3
votes
2answers
37 views

How to enable power failure notification?

I need to enable power(A/C) failure (off-line) and power on (on-line) notifications, like this notification I searched and tried to do that but i didn't find any successful articles. i use this ...
0
votes
2answers
3k views

Asus H87-PRO /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed

On an Asus H87-PRO: $ sudo pwmconfig # pwmconfig revision 5857 (2010-08-22) (...) /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed here's the output from $ sensors: ...
2
votes
1answer
50 views

How to disable the feature of automatic system shutdown in 60 seconds?

After pressing the physical power button on computer it's shown a 60 second countdown dialogue box: "This system will be automatically shutdown in 60 seconds" How can I disable this feature? The ...
0
votes
0answers
30 views

Power Button shutdown permission override

I realise there are several questions about Power Button options, but this is a little different. On my system, shared with my family, I have disabled shutdown from the device menu, users may only ...
0
votes
1answer
28 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 ...