Questions about battery usage and issues in Ubuntu.

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1
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0answers
19 views

Missing battery/power indiciator

I'm on a fresh install of Ubuntu 15.04, and the battery indicator seems to not be present. It doesn't appear on the login/lock screen either. I found this answer from back in 2011, however none of ...
8
votes
10answers
20k 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 ...
0
votes
0answers
8 views

How can I repair the system management from the recovery menu

I have Ubuntu 12.04 LTS installed on an Acer AO756. I cannot run Ubuntu in normal mode under mains power alone. If I try to do so the computer shuts itself down after a few seconds. The only stable ...
6
votes
0answers
401 views
+50

Wrong battery state reading cause brutal shutdown

I have an Asus Zenbook UX31A, the Asus 13" unit from first generation ultrabooks. I run Ubuntu 12.10 up to date on it. Before a week or two I used to enjoy more that 5 hours of battery life, ...
0
votes
0answers
6 views

What is wrong with the power management of my Aspire One 756

My Acer Aspire One 756 (AO756-2894) doesn't want to charge the battery. The battery might be dead. However plugged in and without the battery it seems to remember the state of charge of the battery ...
0
votes
0answers
11 views

Battrey charge and not to 100%

I have Asus X45LC, and after install Ubuntu 14.04 my laptop battery not change to 100% and very soon empty. why? When I Install Charger Cabal, on first not change, and I back and too install start to ...
0
votes
0answers
7 views

What are the consequences of disabling nmi_watchdog?

My aim was to improve battery life for my laptop. I have already applied advised modifications like enabling ALPM, and adding pcie_aspm=force drm.vblankoffdelay=1 i915.semaphores=1 at grub startup of ...
-1
votes
1answer
28 views

Ubuntu 12.04 LTS and Windows 7

I am using Ubuntu 12.04 LTS dual booted with Windows 7 , when i am with windows 7, computer performs normally, but when i switched to Ubuntu it roaring like anything , also heats up quicklyand battery ...
1
vote
2answers
37 views

Damaged and locked dependencies

First of all I point out I'm not expert so sorry if I don't understand something or I write some silly stuff. I downloaded the TLP for power saving while using my laptop with the battery, even though ...
124
votes
21answers
114k views

Tips to extend battery life for laptops and notebooks

This question is present as a matter of historical interest. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on Ask ...
6
votes
4answers
372 views

How to check the battery temperature of laptop? How do I know the normal temperature of it?

How to check battery temperature? How do I know the normal temperature of it? My OS is Ubuntu, and my laptop is Lenovo G470. Output of acpi -t: Thermal 0: ok, 0.0 degrees C
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votes
0answers
8 views

System goes to suspend mode on plugging out charging

I am using ubuntu 12.04 LTS. Whenever i plug out my charger, i see Low battery notification (even when my laptop is fully charged) and then my system goes to suspend mode. Please let me know if this ...
0
votes
1answer
47 views

How to save battery life in Dell Vostro 3446 (Ubuntu 15.04)

I have both Windows 7 and Ubuntu 15.04 on my Vostro 3446. I noticed that when I'm on Windows 7 I get easily 4-5 hours of battery life but when I'm on Ubuntu, it barely lasts 1.5-2 hours. I cam across ...
3
votes
0answers
27 views

Battery indicator disappears on connecting the power

I removed Unity and installed Gnome on Ubuntu 14.04. Now the battery indicator disappears on connecting power. The indicator-power-service appears to be there but it isn't working. On running it from ...
0
votes
1answer
21 views

How can I get a visual indication if I muted audio and the battery power is running out?

Is it possible to show a flickering or something else to indicate the shut-down process is nearby instead to get my attention with beeps? Ubuntu Gnome here.
1
vote
2answers
43 views

How do I turn off battery charging in Ubuntu?

I mainly work on AC power. Therefore Windows has the below utility to improve battery life for my scenario by disabling battery charging: How do I achieve this in Ubuntu? Thanks in advance!
0
votes
0answers
29 views

What is the proper/recomended way to handle laptop power management in Ubuntu?

I have seen many power management utilities/methods for Ubuntu. These are few of them: TLP CPU Power Scaling indicator-cpufreq cpupower Using powertop command Using laptop-mode-tools Intel i915 ...
1
vote
1answer
22 views

How can I monitor battery temperature?

Is there an app or a widget for Ubuntu 14.04 that would allow me to keep track of my laptop battery temperature? So far I've found this thread but the question was never answered. It's an Inspiron ...
0
votes
0answers
14 views

Is it possible to turn off Thinkpad dead battery led indicator?

I have old Thinkpad T61 with ubuntu 14.04LTS. Battery is completely dead (orange light is blinking all the time). But I don't want to replace it. I would like to turn off that indicator? Can it be ...
1
vote
0answers
27 views

Battery suddenly drops to 0%

My battery started dropping down from around 35% to 0% suddenly . This started happening as soon as I installed ubuntu 12.04 ..I am using a lenovo Z510 laptop with windows 8.1 as default OS..Any ideas ...
0
votes
0answers
12 views

Can you disable the low battery notification?

I have a question about the low battery notification when your battery is low. Can I disable it? It really annoys me at times.
3
votes
2answers
4k views

No battery icon in Ubuntu Gnome 14.04

I'm using an Asus K56CB Laptop and I just upgraded from Ubuntu Gnome 13.10 to Ubuntu Gnome 14.04 (Gnome shell 3.10.4) however now I don't have a battery icon in the upper right-hand corner. Also the ...
0
votes
2answers
98 views

Surface Pro 3 Battery

I installed 15.04, everything is running smoothly. One issue, however, is that I have no battery notifier on either gnome nor unity. Q: How could I begin to trouble shoot this, if there is no fix, ...
0
votes
0answers
9 views

screen brightness does not affect working hours

I have noticed that screen brightness does not affect working hours on battery of my laptop in any Ubuntu version I used so far (Ubuntu 12.10, 13.04, 13.10, 14.04, 14.10 and 15.04). I can increase ...
1
vote
0answers
96 views

Laptop with Ubuntu Mate 15.04 screen dimming after 10 seconds

I watch movies on Youtube, Popcorn or XBMC and after 10 seconds when I have my laptop disconnected from power the screen dims. I know that there is an option in dconf-editor for longer timeout but ...
4
votes
3answers
377 views

Indicator-power stuck on the first value after logining

After removing the gnome shell the battery indicator stuck on the first value it shows when I log in i.e. if at start it was 100% it is still like that till the battery dies. Can you please help me ...
-1
votes
1answer
55 views

CPU frequency limit to 2000 on battery

I want set frequency to 2100 in battery mode but it have limit to 2000. I ran tlp ac and change CPU frequency with indicator-cpufreq to 2100 (and also check Performance) then check frequency with ...
2
votes
0answers
53 views

Battery will not charge past 59%. I have no access to Windows or lenovo softwares anymore [duplicate]

I have an Ideapad Touch u430 that came with AOE licence. As it was recommanded, I used the Energy Manager to enable the Economy mode (I don't remember the exact name) that makes your battery stop ...
1
vote
1answer
262 views

Why Ubuntu 15.04 with kernel 3.19.0-15 is using significantly more power?

I've recently upgraded to 15.04 and immediately noticed significantly faster battery depletion and warmer case. My MacBook Air 6,2 would easily hold 10-12 hours on battery power with Ubuntu 14.10 and ...
1
vote
0answers
241 views

Reduced battery life with ubuntu 15.04

I'm using a Lenovo Z-5070 Ci7. I had a battery life of nearly 4 hours when I was using Ubuntu 14.04 LTS. After updating to Vived Vervet (15.04) my battery life is reduced to nearly 2 to 2.5 hours. ...
1
vote
0answers
26 views

Battery detected, working but not charging

My Dell laptop runs Ubuntu 14.04 LTS . It's saying that it's charging but it's stuck on 10% . I tried different chargers but it doesn't work . Help? I have this problem since I started using Ubuntu. ...
0
votes
1answer
75 views

How To Get Rid of This? Ubuntu is Definitely Consuming More Power Than Windows! [duplicate]

System details: Intel Core i5 2.50GH, Nvidia, 2GB RAM, 32bit O/S for both Linux and Windows. Well I have been using Ubuntu 14.04 LTS for nearly 1 week. I have noticed whenever my laptop runs on ...
5
votes
1answer
264 views

Automatically dim brightness if battery is low

In Ubuntu 14.04 there is no option in the energy settings what to do when the battery is low. There is only a setting for action when critical. I would like to automatically dim the brightness on my ...
2
votes
1answer
2k views

Ubuntu Battery not charging or not detected

Here is question/answer just to help the community. I just bought a new ASUS N750J . I had some issues installing kubuntu. Problems were the CPU FAN always running at full speed, battery not ...
5
votes
2answers
4k 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 ...
0
votes
0answers
71 views

Ubuntu 15.04 doesn't detect battery (Toshiba Satellite L755D)

There is no battery detected my laptop. It is a Toshiba Satellite L775D. Any help?
0
votes
0answers
25 views

Execute script on power supply connected

I am looking for a method that will call a script when the power supply is connected, or the battery state becomes "Charging". I will not accept answers involving any type of cron or loops. I know ...
82
votes
14answers
115k views

How to check battery status using terminal?

I would like a command that check the battery status through the terminal
1
vote
2answers
193 views

Battery indicator ALWAYS says Using Battery Power - even when plugged in - ASUS laptop

I have an ASUS N550JK laptop (BIOS version 204) running Ubuntu 14.04 (3.13.0-43-generic kernel). My issue is that the battery indicator ALWAYS shows that it's using battery power - even when plugged ...
0
votes
0answers
59 views

Need battery applet for Awesome WM and Ubuntu 14.04

Today I made a fresh installation of Ubuntu 14.04. I was using Ubuntu 10.04 previously. So far I have restored everything except for I cannot find an applet for Awesome WM that shows the battery ...
0
votes
0answers
31 views

Battery Low Alert for Gnome

Ubuntu 14.10, Gnome desktop never shows an alert when battery is down. It caused my laptop power off due to low battery a couple of times. Wondering if these is any method that I can set a low battery ...
3
votes
2answers
3k views

overheating and battery drain MacBook pro

I have just installed ubuntu Gnome 14.04 in a Macbook Pro 13" mid 2012, and I have some problems with my laptop. I have already installed TLP and macfanctld, but my MacBook still have the problem, ...
0
votes
0answers
30 views

Thinkpad Battery Life

I've got an X1 Carbon, and I've done my best to get battery life up to just under 3 hours. I've had the machine for two years now, but I'd really love to get 6 hours. Has anyone personally gotten a ...
1
vote
0answers
29 views

Ubuntu sleeps when power cable is removed

I just installed Ubuntu 14.04 on a Macbook 5,2. It works fairly well except that when the power cable is unplugged the desktop logs out, prompting the password menu and in less than a second the ...
0
votes
0answers
39 views

In battery mode disable apm hard drive sleeping?

I am using Ubuntu 14.04 LTS. I want to disable advanced power management level up to 255 when my laptop is in battery mode. At this moment amp change it to level 1 and it's very hard to deal with. ...
0
votes
0answers
27 views

HP battery not charging (works when removed/reinserted)

I've tended to have a problem with my battery on my HP sleekbook 15 on my ubuntu 14.04 installation. After going into hibernation or shutting down, when booted up, the battery is not charging... It ...
0
votes
0answers
25 views

Losing wireless networks on battery power 14.04

Running Ubuntu 14.04. Using a Dell Inspiron 5520. I assume this has to have been asked somewhere before, but Google has not been showing me any love whilst looking for a solution. If my computer is ...
0
votes
0answers
25 views

Excessive Draining Of Battery

I have Intel Corporation Haswell-ULT Integrated Graphics Controller and I've installed Tlp for battery saving but I am seeing no improvement in battery life, also my laptop is heating up more than it ...
0
votes
0answers
97 views

Just installed Ubuntu 14.04 Battery no longer charging past 70%

thanks for the help. I just installed Ubuntu, and it was working fine yesterday. I just fixed my internet connection speed, but now my battery is stuck at 70% charged. It has a symbol that says its ...
6
votes
2answers
787 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 ...