Questions about battery usage and issues in Ubuntu.
23
votes
3answers
4k views
Is there a power saving application similar to Jupiter?
I have installed the 13.04 final release and so far I am loving it more 12.10. I'm trying to install the Jupiter power settings app but, I read it is no longer compatible with the new kernel. Is there ...
89
votes
23answers
32k views
Tips to extend battery life for laptops and notebooks
It is possible to greatly extend the usage time of a laptop or netbook running on battery by disabling various services and installing various packages.
What tricks or tips do people have for ...
24
votes
4answers
10k views
Why does my computer get less battery life with Ubuntu compared to Windows?
Last year I purchased a Dell Inspiron 5315 laptop shipping with Windows 7 preinstalled. I installed Ubuntu 10.10 alongside it with dual-booting. On upgrading to Ubuntu 11.10, I was upset to find I now ...
15
votes
4answers
17k views
How to check battery status using terminal?
I would like a command that check the battery status through the terminal
"acpi" does not work for 11.10.
10
votes
0answers
4k views
Battery drain on ubuntu is fast [duplicate]
My battery drain on win7 is less than that of ubuntu (around 45 min of difference).
Can you advice me something to get best battery performance on my laptop?
when I decrease the brightness it remains ...
17
votes
0answers
10k views
Battery life decreased after upgrade to 11.04 [duplicate]
Possible Duplicate:
Why does my computer get less battery life with Ubuntu compared to Windows?
After upgrading from Ubuntu 10.10, my battery life has decreased dramatically.
There was a ...
10
votes
2answers
4k views
How to get the correct battery status?
At this moment, ever since I installed Ubuntu on this machine, the battery status says: not present.
Looking at this answer, however, I find that /proc/acpi/battery/BAT1/info (sometimes its ...
20
votes
5answers
5k views
OUCH! Laptop running SUPER HOT after 12.10 upgrade!
I was running 12.04 with Unity 3D for 6 months; my laptop ran almost silently and cool enough to hold on my lap with ~4 hours of battery life. I updated to 12.10 and switched to the Gnome 3 Shell. Now ...
5
votes
5answers
4k views
Battery indicator is stuck on “estimating”?
After installing Ubuntu 10.10, the battery indicator worked fine (both percent remaining and estimation on time). I then installed and configured some software (Skype, Pidgin, Thunderbird, removed ...
12
votes
3answers
9k views
How can I limit battery charging to 80% capacity?
I just learned that some Lenovo laptops include a utility that offers to limit battery charging capacity to within 0–80% in order to slow the attenuation of the battery lifespan:
How can I do this ...
6
votes
2answers
1k views
Laptop immediately suspends when going onto battery power
I've got an MSI Wind, model U100 that's been running Ubuntu without trouble for a long while. After upgrading to 10.04 a few months ago, I've had this strange problem. As soon as I unplug the laptop ...
16
votes
4answers
7k views
Laptop battery life drastically decreased compared to Windows 7 [duplicate]
Possible Duplicate:
Why does my computer get less battery life with Ubuntu compared to Windows?
I am running Ubuntu 10.10 on my Dell Studio XPS 1640 and have about one hour of battery life ...
3
votes
3answers
4k views
The battery indicator in Unity panel not showing up
I installed Ubuntu 12.04 with Wubi. Well after being completely dazzled with the amount of free content in the Software Centre, I decided to go deeper and start messing with settings. Well after ...
7
votes
2answers
4k views
Battery Critically Low at 85%?
I, along with many others, have been experiencing a problem with our Ubuntu 11.10 installations on our battery-powered laptop devices: The computer misreads information from the battery, so it thinks ...
5
votes
2answers
818 views
How to stop turning off sequence when power manager says that battery is too low and want to power down?
According to this thread I can disable this thing altogether but this battery-critical-power-down not always happens. Is there a way or terminal command that can stop the power manager shutting down ...
6
votes
1answer
739 views
Always be 100% bright when I'm using battery
When I'm using battery only - Ubuntu turns in some mode, when If I do not use my PC for about 5-10 seconds - the screeen becomes darker.
Where do turn this option off? Because I often need to read ...
5
votes
2answers
2k views
Battery not detected
As the title say my laptop battery is not detected in maverick.
I'm using ubuntu since ever and I've never come across this problem.
I have a msi ms-171f vr705 series and everything is working fine ...
3
votes
3answers
2k views
“On battery” is not recognized
I have just bought a lovely ThinkPad Edge 11 which have ~6 hours of surfing in Windows 7. But unfortunately, a clean Ubuntu 10.10 give me max 4 hours which is not satisfactorily. Therefore I have ...
5
votes
5answers
5k views
Is Ubuntu Battery Management Better Than Windows?
Is Ubuntu battery management better than Windows ?
I have noticed that in Windows 7 a fully charged battery shows 3:30 minutes but in Ubuntu it shows 2:00 hours ... !!!
so what is the power ...
8
votes
2answers
5k views
How to charge the battery till 60-80% only?
I just got my laptop's battery replaced and read a bit about how to prolong it's life. Most people say that the best choice is not to charge it will 100%, but rather to 60-80%. My battery is quite ...
5
votes
5answers
2k views
Application to display battery info
First of all, I am not sure the title of this question is the most appropriate however this is what I meant to say,
There are many ways to extend the life of a laptop battery. One way is by not ...
3
votes
2answers
3k views
Regardless of battery charge, when unplugged Ubuntu displays critical battery message and hibernates
Regardless of battery charge, when unplugged Ubuntu displays critical battery message and hibernates. I can only seem to change it to either shutdown or hibernate.
This does not happen when using ...
8
votes
3answers
2k views
Kernel patch that solves battery issues when for ubuntu ? [closed]
http://www.phoronix.com/scan.php?page=news_item&px=MTAxNDM
When will this come for ubuntu ?
I am getting tired with my 11.10 dieing at little over 50 minutes of battery when at the most extreme ...
8
votes
6answers
7k views
Can I set the power indicator to show battery percentage instead of time remaining?
It's great that the indicator applet tells me I have 2 hours and 12 minutes of battery left, or that it will be charged in 1 hour 8 minutes, but I might well change my pattern of usage during that ...
5
votes
2answers
1k views
Where do I set use_time_for_policy?
Where do i find the "use_time_for_policy" fix in ubuntu 11.10 Oneiric Ocelot?
This post fixed it before.
Laptop immediately suspends when going onto battery power
I installed dconf-tools ...
6
votes
2answers
2k views
Battery icon changed?
I don't know what happened, but today when I logged in to Ubuntu 12.04, the battery icon looked strange (when unplugged):
When it's plugged, the icon looks as always been, the problem is when it's ...
3
votes
1answer
794 views
Lenovo Y460 won't boot most of the time unless plugged in
My laptop won't boot Natty beta 2 unless it is plugged in most of the time (like 2 out of 3 times). After it is booted I am able to unplug it and let it run on battery power with no problems. ...
5
votes
1answer
2k views
Is there a tweak to show a percentage in the battery icon? [duplicate]
Possible Duplicate:
Can I set the power indicator to show battery percentage instead of time remaining?
I'm use to not having to click on the battery icon to see what my battery percentage ...
4
votes
2answers
1k views
Battery status not showing
How do I keep the battery status on as to see how much life is left in my battery? I configured this to be on all the time in the power management but it only shows the amount left when I am charging ...
2
votes
1answer
767 views
boot stuck on “checking battery state [ok]”
loaded ubuntu 12.10 but during boot gets stuck at checking battery state [ok]. It appears its some kind of loop where this message keeps repeating. Any idea on how to fix?
1
vote
2answers
1k views
display brightness problem with ubuntu 13.04
I have a Dell Inspiron 5520 with intel core i7 and AMD Graphics card. It used to work fine with Ubuntu 12.04 and Ubuntu 12.10. Now I tried to install Ubuntu 13.04 but i can't change display ...
1
vote
2answers
4k views
Specific short battery life problem with Sony VAIO laptop
(I'm using Ubuntu 12.04 LTS 64 Bit)
I have some problems with my laptop's (Sony VAIO VPC-F22S1E) battery . It's fullly charging about 3-4 hours (while using) and 2-3 hours (when shutdowned) . And ...
1
vote
1answer
941 views
How do I get rid of double battery monitor status? [duplicate]
Possible Duplicate:
Two battery indicator symbols, how do I get rid of one?
It seems there is a bug that displays an extra battery monitor in Oneiric. From what I found, it is not right in ...
7
votes
1answer
3k views
How to change critically low battery value?
I would like my laptop to hibernate itself when the battery level is 10% to be sure it has enough power to complete the operation properly. Actually if I don't pay attention my laptop informs me it ...
7
votes
4answers
845 views
Suspend when critically low power 11.10
Is there a way to suspend when Ubuntu is at critically low power. The only option in Ubuntu 11.10 power setting is to shutdown or hibernate. I run my battery all the way down till it suspends then i ...
8
votes
5answers
863 views
How to see the discharge rate of the battery
Maybe this question was made earlier but I can't find it. I want to see a terminal command or gui program that can show me the discharge rate of the battery. What hardware parts or programs are using ...
4
votes
1answer
1k views
How can I get notification when my laptop battery gets fully charged?
Sometimes my charger remains plugged into laptop even after charging is complete.
Is there a way to get a pop-up message/notification when my battery gets full due to charging or is there any ...
2
votes
4answers
3k views
Ubuntu 12.04 Battery problem
I have my laptop ( Dell Inspiron 14R) on dual boot with Ubuntu 12.04 and Windows 7. While using Windows 7, I used to get about 2.5-3 hours on battery fully charged (with my cellphone connected for 3g ...
1
vote
1answer
981 views
What is a realistic date for the kernel power regressions fixes?
Linux kernel has cumulated multiple power management regression bugs which make systems affected barely usable. A system that works at 30/30 temperatures on Windows during office work may work on ...
6
votes
1answer
700 views
How can I increase time of working from my battery?
Usually I am not even able to watch film from start to end.
I use Acer Aspire 5930
OS is Ubuntu 11.04
I use Classic Ubuntu desktop (AFAIK it really means GNOME2)
I know, that:
I can decrease ...
4
votes
3answers
405 views
ACPI 30k+ interrupts per second
My computer is currently doing something like 30k+ interrupts per second. This causes battery issues as well as the CPU being always stuck at the highest speed, making it very hot (overheating.. 75C ...
4
votes
4answers
1k views
Battery loading state on commandline?
Sometimes the energy status applet on my gnome panel suddenly disappears.
Is there a simple command to print loading state of the battery at commandline?
3
votes
2answers
2k views
How to enable laptop-mode?
Laptop-mode is said to be one of the energy efficiency boosters for Linux. Now, sources I found say that to activate you need to:
install laptop-mode-tools
append LAPTOP_MODE_ENABLED=true (if it ...
3
votes
1answer
1k views
What is an ACPI GPE storm?
Just experienced a system freeze (no touchpad, no keyboard, screen looked normal), Alt/SysRq/REISUB didn't work, had to press the start button.
In var/log/kern.log I find "ACPI: EC: GPE storm ...
3
votes
1answer
676 views
Battery Time To Empty Incorrectly Estimated
My laptop battery is getting a old but it still gives me approx one hour [ 1½ hours on Windows]. The problem is that when I disconnect the power cord [or log on without the power cord ], the estimated ...
2
votes
1answer
658 views
Battery Status In Panel Does Not Change Or Give Low Battery Warning (Ubuntu 12.04)
I recently upgraded from 10.04 to 12.04 Precise (first point release) on my laptop (an MSI machine). I've resolved several minor issues but can't figure one out and have searched here and on google to ...
2
votes
2answers
248 views
2000+ processor wake ups..?
I have dell xps 15 with nvidia 525 with optimus. I use ironhide for optimus support. Under normal conditions I can see 2000+ processor wake ups. As a result of which my battery dries up rapidly. In ...
1
vote
5answers
6k views
Battery indicator missing, ubuntu 12.04 [duplicate]
There is a closed , question at Battery Indicator Missing.
But I have the problem and have not found any solution yet.
Also asked a question about it on Launchpad but no replies again. ...
1
vote
1answer
1k views
Lenovo Y560 won't boot unless it's on AC power
I have a Lenovo Y560 and have installed Ubuntu 11.04 (64 bit) via Wubi. When I start the notebook on battery, Ubuntu hangs before the login screen. Any workarounds?
6
votes
1answer
6k views
Battery indicator missing in gnome classic
I had upgraded to ubuntu 12.04 from Ubuntu 11.10 and I am also using gnome classic. But the Battery indicator is Missing in the taskbar. So i followed the link ...
