Questions about battery usage and issues in Ubuntu.

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119 views

Ubuntu 14.04 - Battery Problem

My three year old Lenovo G570 has recently developed a unique problem. When its running on Ubuntu 14.04 its battery starts draining even when connected to ac source. But when it is shutdown mode and ...
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1answer
94 views

BIOS Corrupted After A Failed Suspension

Currently typing from a friend's Wii. My HP 2000-299WM laptop stalled while suspending one night, so I forced it to shutdown with the power button. Now, initial HP splash screen is blank, and leads ...
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0answers
23 views

Battery Life in Lenovo E430 [duplicate]

I installed Ubuntu 14.04 Lts on lenovo thinkpad e430. the computer is brand new and I had windows 8 installed before. in windows 8 battery life for ordinary use was about 3 hours, but in ubuntu it ...
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0answers
35 views

How to set low battery sound alert? [duplicate]

I am using Ubuntu 14.04. Mostly I study from e-books, so I read e-books in fullscreen or play games in fullscreen. How to set a sound alert for low battery?
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1answer
758 views

Battery consumption comparison of Unity, Gnome, Gnome Classic XFCE and LXDE

I would like to know what is the rank of the current LTS version in term of probable consumption of battery power -ie: for a same usage. Is the following rank probably correct, where top of the rank ...
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0answers
62 views

Why the suspend is not even close to consuming 0 power? [closed]

Out of curiosity, I've measured power consumption of my computer on various states/loads. And guess what, suspend is not that energy saving as you may guess! It's far from claimed 0 or nearly 0 power ...
0
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1answer
76 views

Low Level Issue- Battery issue

I have installed Xubunto instead of Machintosh on my MacBook Pro machine, when i close the screen the apple lamp on the back of my laptop doesn't goes off, and the laptop runs out of power. how can i ...
0
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0answers
255 views

Ubuntu 14.04 does not detect my battery to start

Ubuntu 14.04 does not detect battery to start. My laptop is an acer Extensa 5630z Intel Pentim Dual CPU T3400 2.16 Ghz x 2. 32 bits I have unity active. I have daemon.plugins.power ...
2
votes
1answer
662 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
404 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 ...
2
votes
1answer
308 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 ...
5
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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 ...
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1answer
1k 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 ...
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1answer
72 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
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2answers
52 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
689 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 ...
1
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0answers
98 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
1k 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
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1answer
113 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:
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0answers
236 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
858 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 ...
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0answers
211 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 ...
4
votes
2answers
501 views

Laptop battery always discharging

I have a fully up to date Ubuntu 14.04 on my Asus X550DP laptop. My problem is that the battery is always discharging. When I plug the AC adapter in, it charges battery up to around 96% and stops ...
0
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2answers
984 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
270 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 ...
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, ...
15
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1answer
439 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 ...
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0answers
325 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
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0answers
17 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
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0answers
135 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 ...
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1answer
1k 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. ...
7
votes
3answers
4k 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
3answers
704 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
315 views

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

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
1k 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 ...
1
vote
1answer
117 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 ...
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0answers
134 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
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1answer
195 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
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0answers
88 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
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0answers
147 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
788 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: ...
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0answers
309 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
109 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 ...
1
vote
1answer
145 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
1
vote
1answer
677 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
36 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? ...
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0answers
59 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 ...
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 ...
2
votes
0answers
120 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 ...