Questions related to power management, particularly power saving measures.

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11 views

Alternative power manager for Ubuntu 10.04 [on hold]

Is there a better power manager for Ubuntu 10.04 for instance i would like controls for mainly turning off the screen after inactivity,in Windows i could watch a video on youtube/tubeplus (not full ...
1
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0answers
48 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 ...
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36 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 ...
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20 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. ...
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69 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, ...
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20 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.
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1answer
46 views

Brightness function will not work on a Dell 5521

I installed ubuntu 14.04LTS, as my previous version, this version still does not support brightness control function. Is there any solution to this problem. Brightness bar decreases as well as ...
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0answers
14 views

Laptop intermittently detecting power supply [on hold]

My laptop is an Acer Aspire 6930, very old, running Ubuntu 12.04 or 12.10. It ran fine (Albeit only for five minutes) on battery, but when plugged in it seemed to barely detect that it was receiving ...
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166 views

Laptop running 14.04 LTS with Lock screen issue [on hold]

I've been trying out Ubuntu over the last month or so(have used other distro's in the past but took a long hiatus), last night after installing 14.04 LTS I've run into a bug where if my laptop goes ...
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0answers
53 views

Ubuntu can't wake up on HP Pavilion 23 AIO since 14.04 (x64). Screen is freezed at login-screen [closed]

Model: HP Pavilion 23-b110eg http://h10025.www1.hp.com/ewfrf/wc/product?cc=de&lc=de&dlc=de&product=5349926 Ubuntu <14.04 it was working great. Anyone know a fix?
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12 views

How to set discharging preference of batteries in Lenovo Thinkpad R400 in Ubuntu?

I have Lenovo Thinkpad R400. I have standard battery and second battery in Ultrabay slot. I want to set preference so standard battery discharges first and then starts discharging the second ultrabay ...
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0answers
11 views

Battery Icon does not work properly for dual batteries

I have two batteries for my laptop, one is the built-in battery and the other comes from keyboard (X1 Helix if you want to know how that works). The way it works is: laptop draws power from ...
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0answers
9 views

Ubuntu 13.10: Unusable when gaming with power not plugged in

I'm still pretty new to Ubuntu, but I have been having issues gaming when not plugged into an outlet. When I am plugged in my laptop runs flawlessly, however, when not plugged every thing runs fine ...
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1answer
47 views

Docky is closing when I plug/unplug the AC cable

Every time I plug/unplug the power cable docky is closing. This thing is happening since I have updated to 14.04, also, my battery life seems to be shorter. I am using a toshiba satellite c55-A-1PX.
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0answers
20 views

Laptop freezes on battery Dell Inspiron 3521 - Ubutnu 13.10 Gnome shell 3.10

I am running Ubuntu 13.10, Gnome shell - 3.10 on Dell Inspiron 3521 (bought hardly one year ago). Initially it worked fine. But now laptop is suddenly freezing. Nothing works then, no mouse, no ...
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1answer
32 views

Battery consume

i know this is a frequently asked question. After trying win 8.1 and latest opensuse i feel ubuntu 13.10 to consume much power. Lenovo B590 notebook with 1TB 5200rpm hdd, 8 gigs of ram, i5 2.5GHz ...
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2answers
110 views

Why does my computer (almost) randomly power off? (GPU Kernel Panics?)

I've always had a problem running any sort of Linux distro on my machine. I'm a gamer and tend to spend most of my time in Windows and I have never had any issues when it comes to stability of my PC, ...
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1answer
29 views

Which icon does indicator-power use when fully charged?

This is a minor annoyance. Using Xubuntu 14.04. I installed the latest Faenza icon set. Unfortunately, it's missing the icon for when the battery is fully charged (adapter is connected). It looks ...
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0answers
37 views

How to calibrate the laptop battery on 12.04

Since a couple of days or so my laptop (asus n76vm) does a hard shut-down when the battery indicates 20% life left. It just cuts off the power, no shut-down screen or anything, making the hard drive ...
0
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1answer
27 views

Activate Tp-bat-balance

I have a t400 with an ultrabay battery. How do I get this to work? I want to balance the batteries discharge. I am coming from Windows so I don not know much about Linux. Any help is greatly ...
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0answers
14 views

Ubuntu needs mouse hit to shutdown

My devices can't shutdown "automaticly". I have two machines with the same troubles: 1)On notebook: Notebook can't shutdown automaticly, when the battery capacity is extremely low. I applied ...
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2answers
103 views

Overheating, faulty laptop - How to prevent overheating?

I have a problem with my laptop. It overheats. In Windows 7 I use 80% Maximum Power State under power options to workaround the issue. Is there a similar solution available for Ubuntu? Can I set my ...
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0answers
15 views

Linked problem with a Windows program which I need to run one time

When I have used Windows 8 I have set to keep battery life with Lenovo Power Management. It have charged battery to 60% and keep it so. One time I have started my laptop without battery and this ...
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0answers
14 views

Ubuntu won't start unless laptop is plugged in. This has happened on 2 different laptops

So, I've been using Ubuntu on an off again for a few years, and I decided to permanently install it on a spare laptop that was gathering dust. It worked fine, but I did notice one little quirk, that ...
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0answers
15 views

Customise Suspend operation or create custom power option?

So basically I am using Ubuntu saucy salamander and I would like to be able to wake it from suspend over wireless. I can already do it when it has a wired connection but this doesnt really fit my ...
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1answer
29 views

Mouse turns off after a few seconds (Ubuntu 13.10, Windows 8.1)

I tried lsusb and I can see my mouse in the list. I tried for foo in /sys/bus/usb/devices/*/power/level; > do echo on > $foo; > done But I got this reply bash: ...
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0answers
21 views

Help Plz. Screen Power Down & Lock Will Not Work.

So I have a problem here. I have it set so that my screen turns off after 30 mins of inactivity and so that the screen will lock after the screen is turned off. Only thing is is that it is not ...
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0answers
34 views

How to shutdown Ubuntu after (2 hours) of idle?

Running: Xubuntu 14.04 32bit. I have read several outdated, not working, working different that I want answers here and elsewhere. I had a script that resulted in shutting my Laptop down at boot time ...
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0answers
30 views

How can i change startup applications in Lubuntu

I installed xscreensaver in lubuntu 13.10 and it wont start up auto. Neither will my power manager (using a laptop) I do not see "Startup Apps" anywhere
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0answers
29 views

Slow performance on ubuntu 12.04 when laptop is UNplugged from charging

I've seen most of the threads on askubuntu about laptops being slow when plugged in but my laptop goes other way around. I'm still getting used to ubuntu settings and I'm not sure how to fix this but ...
1
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1answer
30 views

Laptop does not stay suspended/hibernated

I have a Toshiba Satellite C855D-S5307. The computer came with Windows 8 and all the power functions seem to work fine with Windows. Whenever I install Ubuntu 13.10 (or any equivalent ie. Linux Mint, ...
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0answers
82 views

Why is my WiFi so slow?

I have an Alienware M14x-R2 laptop that I use with dual-booting Windows 7 / Ubuntu. In Windows 7 I have no problems with it at all, but I don't have any of my important software set up in Windows so I ...
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2answers
129 views

Fans are always running

Whenever I turn my laptop on my fans are running as if I was playing a game. The air coming out is cool, none of my computer parts are warm. I am running Ubuntu 13.10 and I have a Dell Inspiron 3521. ...
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0answers
33 views

Why do some of my powertop commands not work

I'm trying to make my powertop tweaks permanent. I ran sudo powertop --html and the I have a list of the commands I need to add to /etc/rc.local. I added them to /etc/rc.local and most of them work, ...
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0answers
15 views

Power-off After Resume When One of Two Batteries is Empty

I have two batteries in my ThinkPad laptop. If I suspend and then resume when one of the batteries is dead / empty then my laptop automatically shuts down thinking that it has no power left. If I ...
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0answers
24 views

Poor battery life: cron jobs running even in suspend

I was trying to figure out why my battery was dying out really fast even when in suspend mode. I noticed that my cron jobs run even when my laptop is suspended. I do not want this behavior. Cron ...
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0answers
82 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 ...
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0answers
44 views

AC power plug/unplug events

Running Ubuntu Server 13.04 (kernel 3.8.0-19-generic)* . I want to react when AC power is applied or removed. I can query the state correctly either through acpi -b or cat ...
0
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1answer
27 views

can't reconnect via ssh

Pretty sure I'm doing it wrong, but I'm not at home right now and while using an ssh connection to my computer, my connection closed and I can't reconnect. I'm about 90% positive that my computer shut ...
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0answers
20 views

slow machine when waking from suspend

I am using xfce4-power-manager to take care of screen locking and suspend when I close the lid of my laptop. It's a great little utility! However, when the machine wakes from suspend (which is to ...
-1
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1answer
38 views

different power saving modes?

Are there any different power mangament capablities in ubuntu? like in windows(power saver,high perfomance,balanced)
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0answers
123 views

Lenovo IdeaPad U430 Touch battery not charging, tlp installed with no acpi_call module

I have recently purchased a Lenovo ideapad U430 Touch. I have successfully installed Lubuntu 13.10 with Kernel 3.11.0-18-generic. Everything has been relatively painless. I've installed tlp for ...
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0answers
56 views

How to stop battery from overcharging? [closed]

I am new to Ubuntu, since I switched from Windows8. I have an ASUS x402c laptop, so I can not remove the battery from it. On Windows8 when the battery was fully charged, Windows automatically switched ...
0
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1answer
98 views

How-to stop computer locking when lid closes?

Here are my power settings: How do I stop the computer locking when I close the lid?
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1answer
28 views

Laptop turns off on its own in 13.10?

I recently upgraded to 13.10 from 12.10. It's now showing the battery info wrong and it keeps turning off even with 60% of power remaining, and without warning. When I resboot the PC, it works fine ...
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0answers
51 views

Keyboard doesn't work after waking Ubuntu from suspend, wakes automatically after opening lid

I have Ubuntu 13.10 installed on Toshiba P55-A5200. The keyboard doesn't work after waking it up from suspend, so I have to restart it. Also, whenever I open the lid it wakes up without me pressing ...
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0answers
9 views

How to have different screen dimming profiles for AC & battery (13.10)

This has been asked before but not yet answered: I'm looking for a way to have a different timeout for screenlock & dimming depending on whether I am on AC or battery power. Currently the only ...
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0answers
41 views

Ubuntu 13.10 Saucy false low battery warning

When I unplug my charger from the computer, about 80% of the time, I get a low battery warning saying my computer is about to suspend (when I'm fully charged with a brand new battery. Clearly the easy ...
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0answers
29 views

Prevent resume from suspend on lid open for 13.10

I'm running Ubuntu 13.10 on an Asus n550jv. I want to disable resume-from-suspend when the laptop lid is opened. The traditional answers to this involve echo "LID" > /proc/acpi/wakeup, but there ...
1
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0answers
15 views

Get info about power supply

I want to know what kind of power supply I have and what wattage it has. I tried sudo dmidecode -t 39 but that didn't show any specs. What do I need to do? I am on Ubuntu 13.10