Questions about battery usage and issues in Ubuntu.

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0
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1answer
100 views

Battery icon missing in gnome-shell panel

I have lost the battery icon on panel when I rotated the screen using ccw (/etc/X11/xorg.conf) and can't get it back. dconf editor → com → canonical → indicator → appmenu → power shows icon policy ...
2
votes
1answer
87 views

using multiple desktop environments [closed]

Quick question about using multiple desktop environments. Can I install extra environments without affecting my current environment. I have to use a low energy demanding environment because I will not ...
1
vote
1answer
81 views

brightness not dimming on battery [duplicate]

On my Lenovo Yoga Pad 2 with Ubuntu 14.04 there is no option to dim the screen when in battery mode. There is one option "Dim screen to save power" but it doesn't seem to have any effect: How can ...
3
votes
0answers
92 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 ...
0
votes
1answer
123 views

Plugged in, battery not charging, not running down

This morning, after being plugged in all night, my Asus N550J, Xubuntu Saucy, showed 28% battery. When it is plugged in, it shows the Charging icon, yet the percent charge never goes up. When it is ...
0
votes
1answer
41 views

Will Ubuntu degrade my macbook pro battery?

I used Ubuntu on my previous laptops and it was very common that after I use Ubuntu on my laptop the battery almost always degraded. The batteries on my old laptops were LiON.
1
vote
2answers
39 views

Power settings location?

I have Xubuntu 14.04 and I am running it on an EeePC. Where in the world are my power settings? I've looked everywhere. I found this in my files, but I don't know how to open/use/install it. ...
0
votes
2answers
260 views

No battery indicator in Ubuntu 14.04

My new and recent setup of Ubuntu 14.04 on a Dell Inspiron 7437 (laptop) shows some peculiar behavior in terms of the battery indicator: If the laptop is connected to its power supply, the indicator ...
0
votes
0answers
46 views

ASUS 1005PE runs hotter and drains the battery quicker since installing 14.04

Since migrating to 14.04, my ASUS Eee PC 1005PE laptop runs very hot and the battery seems to drain faster. I believe it may be attributable to the loss of the Jupiter application that replicated the ...
0
votes
1answer
205 views

Lenovo Y510P: Battery wont charge past 60%

On my y510p, I set Lenovos battery software to "Optimize battery health" while I was in Windows 8.1. I forgot to change it before overwriting that partition with Ubuntu, and now my battery in Ubuntu ...
0
votes
1answer
55 views

Indicator icons don't change on theme change

I have changed my theme but the battery, messaging and network icons won't change. It shows the regular Gnome icons. How can I change these? Here's a screenshot:
0
votes
0answers
56 views

Turn off screen when inactive ONLY on battery power

In the "Brightness and Lock" settings there is a nice feature to automatically turn off the screen after a period of inactivity, but I only want to do this on battery power. When plugged in, I always ...
1
vote
1answer
331 views

How to improve battery life on Samsung 13.3” Series 7 Ultra (NP730U3E-S01AU)?

Recently I've bought a Series 7 Ultra Samsung ultrabook and decided to change the OS from originally installed Windows 8 to Ubuntu 14.04LTS. However, it's difficult not to notice great decrease in ...
0
votes
0answers
131 views

Laptop battery sometimes does not charge?

So on my Asus K56C laptop running Ubuntu 14.04 (was same problem in 13.10) I got a problem that from time to time after I use laptop without cable (just on battery) it stops charging with cable. I can ...
1
vote
0answers
82 views

Laptop battery always discharging

I have fully updated Ubuntu 14.04 on my Asus X550DP laptop. My problem is that the battery always discharging. When I plug the AC adapter in, it charges battery up to around 96% and stops charging ...
0
votes
0answers
209 views

HP Bluetooth Mouse Connection Problems

About a month ago, I turned on my laptop (Ubuntu 14.04 and Windows 8.1 dual boot, though the mouse works fine in Windows), logged in and connected my HP x4000b mouse via a bluetooth dongle (Kinivo ...
0
votes
2answers
367 views

Battery Power when running Ubuntu 14.04 LTS in dual boot

This is only a general question in order for me to get a better idea of my dual boot (windows 8 & Ubuntu) systems. I noticed that every time I run Ubuntu (which is becoming more often) the ...
0
votes
1answer
97 views

Macbook air 4-2 Trusty Tahr post install script

When looking at the macbook air 4-2 install guide, there is a reference to a post install script. This wiki seems outdated, so I didn't want to run the script after I'd installed Trusty Tahr. I'm ...
1
vote
2answers
645 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, ...
6
votes
0answers
210 views

What actions does Ubuntu trigger when battery is low?

When the battery is low, the screen gets dimmed after a few seconds already. This appears to be some special power-saving mode, and might be related to the time in ...
0
votes
0answers
261 views

Always Show Battery Icon Option not there in Ubuntu Gnome

I am using Ubuntu Gnome 14.04. The battery icon is visible only when the battery is discharging. In previous versions (Ubuntu 12.04 with Gnome added), I was able to configure this to show the ...
0
votes
0answers
15 views

When I suspend the laptop, the fan restarts and the CD drive does too?

Everytime I suspend my laptop, the fan restarts and the CD drive begins to start. Can anyone help me fix this? I'm kinda new with Linux, so I don't exactly know everything. Also, the battery drains ...
0
votes
0answers
9 views

System powers off when trying to upgrade from 11.10 or install packages

So, I recently installed Ubuntu 11.10 on an old laptop and I was going to upgrade to 12.04, but for some reason, whenever I try to, the computer itself just literally powers off without any kind of ...
0
votes
0answers
40 views

Lenovo g580 battery charge control

my laptop lenovo g580 ( not thinkpad ) has a battery threshold control software by the manufacturer for windows. I would like to know whether any application is available to control battery threshold ...
1
vote
1answer
375 views

Battery Life in ubuntu 14.04

Today i had fresh installation of ubuntu 14.04 previously i had ubuntu 12.04 and had 5 to 6 hours of battery backup even at constant work, but in 14.04 getting 3 hrs only, tried with tlp but no use. ...
5
votes
2answers
666 views

Battery indicator has disappeared from Gnome panel

I'm using Gnome Flashback (still the best!) on Ubuntu 14.04. In the Indicator app, it used to always show the battery level indicator. Now, it's missing entirely: I've looked in the power settings ...
8
votes
2answers
247 views

How can I play a custom sound when my battery is low?

I want my computer to play a custom sound file when my battery is low (say 10%). How can I do this? Thanks
1
vote
0answers
242 views

LENOVO IdeaPad (U430 Touch) only charges up to 59%

I just installed Ubuntu 14.04 LTS on my LENOVO IdeaPad U430 Touch. How come the battery just charges up to 59%? I also have Win8 on another partion and it easily reaches 100%. I tried "TLP" but ...
0
votes
1answer
873 views

Ubuntu 14.04 draining battery very quickly

I know there are several other questions very similar to this, but I feel that questions like this are specific to the system you are running and so there is not really a "one size fits all" type of ...
0
votes
0answers
316 views

ThinkPad X240: choose battery to charge

The Lenovo ThinkPad X240 has an internal battery and an external battery. Is there a way to choose to charge the external battery before the internal battery? Currently the internal battery is charged ...
1
vote
0answers
49 views

How do I get a warning before my laptop powers off?

In previous versions of Ubuntu, when my laptop battery hit somewhere around 20% power, the icon in the Gnome panel (I use Flashback) would turn red. Also, there would be intermittent warnings telling ...
0
votes
0answers
108 views

Lubuntu No Battery Status

I just installed Lubuntu and couldn't figure out how to show the battery status in the system bar. I think my Xfce Power Management is missing "on battery" option (see screenshot). Does anyone know ...
1
vote
0answers
96 views

Battery Threshhold

I recently installed Ubuntu 14.04, which is really nice but my battery is not charging past 59%. I recall tinkering with Lenovo battery management on Windows to reserve the life span but I wiped ...
0
votes
1answer
82 views

UPower reports Incorrect Capacity

I've just replaced my old Netbook battery with a new one of higher capacity. It was a cheap battery off of Amazon which clearly reads as a 5200mAh battery but Ubuntu reports the battery as being the ...
1
vote
0answers
49 views

Turn off battery control in Ubuntu 12.04

I own a Lenovo Ideapad Yoga 11S that suffered from battery failure when i poured coffee over the keyboard. I have checked the battery voltage manually and it is full. The computer also seem to be ...
0
votes
1answer
2k views

Laptop Battery Life increased in 14.04

I own a Dell Inspiron 15R laptop (Intel i5 @2.5GHz, 4GB RAM, 750GB HDD 7200rpm, 15.6inch display, Bluetooth, WiFi, etc) which is my primary machine for both work and personal use. I made a clean ...
1
vote
0answers
132 views

If laptop is in sleep and the battery gets critically low, will ubuntu put computer to hibernate?

I know that on windows this happens, but I don't knw weather it works on ubuntu. So, the question is: If laptop is in sleep and the battery gets critically low, will Ubuntu put computer to hibernate?
-2
votes
1answer
328 views

install bettery drivers for ubuntu 14.04

I have recently installed ubuntu and it seems ve[]ry power consuming. after installing it it heats up too much. is there any battery drivers available here for ubuntu. my leaptop configuration is: ...
0
votes
0answers
35 views

How to restore default power plan to ubuntu 12.04 lts

I've been having battery plan issues. When my laptop is unplugged ubuntu becomes slow. When it's plugged everything is fine. I assumed something was wrong with my battery plan or something like ...
1
vote
0answers
154 views

KDE does not notice laptop running on battery

After upgrading to Kubuntu 14.04, KDE does not notice that the laptop is running on battery! The battery icon continues to show the 'charging' symbol. But the battery level shown in the icon keeps ...
1
vote
1answer
62 views

How to tell if battery is dead using Ubuntu

Today I found an old ASUS UL30A laptop collecting dust in my office. The hard drive was missing and it seems the battery is dead, but I just so happened to have an Ubuntu USB stick lying around so I ...
0
votes
0answers
388 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 ...
1
vote
1answer
46 views

how i can know the uptime on battery

is there a way I can know how much time the laptop is up on battery , i know there is the uptime -but it Tell how long the system has been running both on AC and battery
0
votes
0answers
29 views

Dell D631 + secondary battery can't boot- 14.04 x64

I have a secondary battery in the CD/DVD bay on a Dell D631. With battery installed Ubuntu 14.04 64bit won't boot, stalls at "trying to unpack rootfs image as initramfs". Without secondary battery, it ...
0
votes
1answer
191 views

Battery not charging above 34% on Lenovo E430

My System Spec is: OS: ubuntu 12.04 LTS OS Type: 64-bit Laptop Model: Lenovo Thinkpad E430. My Laptop is plugged to the wall for more than 10 hours. But the battery percentage never goes above 34%. ...
0
votes
1answer
31 views

“Battery not present” but it is [13.10]

In 12.04 and Windows 8 it recognized the battery just fine.I think it's this version of Ubuntu (13.10) that has the problem.I haven't istalled any updates.Do you think that might be the problem? ...
1
vote
0answers
40 views

Asus sometimes boot problems

Usually my Asus notebook boots like it should. All drivers are working, everything runs smooth and I don't have any problems. However, sometimes it starts with my fan at 100%, and the battery ...
0
votes
0answers
23 views

Problem with dual graphics and battery backup

I have samsung np355v5c-s05in laptop. It has 2 graphics card one amd radeon hd 7640g , 512mb motherboard integrated and one hd 7670, 1 gigs dedicated. While using the ubuntu graphics software it shows ...
0
votes
0answers
28 views

Battery stuck at whatever number comes on booting

My laptop battery is stuck at whatever number it has while booting. Now it shows 62% battery remaining with 2:10 hours to go. Last time it was 3:11 hours to charge. Anyway I can fix this? I'm ...
0
votes
0answers
42 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.