Questions about battery usage and issues in Ubuntu.

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827 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
207 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 ...
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2answers
450 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 ...
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0answers
506 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 ...
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2answers
959 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 ...
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1answer
259 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 This wiki seems outdated, so I didn't want to run the script after I'd installed Trusty Tahr.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 ...
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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, ...
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1answer
431 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
324 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 ...
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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 ...
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0answers
12 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 ...
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128 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. ...
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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 ...
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3answers
675 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
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0answers
314 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 ...
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1answer
2k 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 ...
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0answers
533 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
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1answer
116 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
132 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 ...
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1answer
190 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 ...
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0answers
84 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 ...
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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 ...
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0answers
145 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?
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1answer
747 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
301 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 ...
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1answer
102 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 ...
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1answer
136 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
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1answer
638 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%. ...
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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
56 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
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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 ...
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0answers
115 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 ...
3
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1answer
310 views

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

I am running Ubuntu 13.10, Gnome shell - 3.10 on Dell Inspiron 3521 (bought almost one year ago). Initially it worked fine, but now laptop is suddenly freezing. Nothing works then, no mouse, no ...
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1answer
113 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 ...
2
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0answers
220 views

Should Ubuntu's battery icon warn me that my battery is on its way out?

I'm using Ubuntu 13.04 on an older Toshiba Satellite and for a while now, the battery has done nothing but drain. I knew when I got the laptop that the battery would need to be replaced within short ...
0
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1answer
169 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
673 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 ...
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1answer
230 views

Terrible Battery Life

I have an Acer Aspire One AO722 netbook that was getting ~7-8+ hours of battery life when using Windows 7 Home Premium. I figured, heck if I put Ubuntu and an SSD on this thing, I'd be able beat ...
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1answer
330 views

Laptop battery capacity reduced to 85%

I have a Dell Inspiron 5521 and have Ubuntu 13.10 on it. I noticed that my battery capacity reduced to 85.2%. Is there a solution for this? Thanks, Leo.
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1answer
129 views

Battery Life In Ubuntu 13.10

I have an acer aspire 5742g. My battery life is not good at all. I bought a new battery(not original) and my battery life is about 1h and 40 minutes. With the last battery I had(the original one) my ...
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3answers
5k views

Battery led blinking red on Asus N550JV with Ubuntu 12.04

Model: Asus N550JV OS: I have a dual boot Win8 and Ubuntu 12.04 64bit. UEFI boot Problem: The battery is not recharging anymore. It means the computer works as usual but once I plugged off the ...
0
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1answer
324 views

Lenovo Battery threshold on Z570 still not working; even with tlp

I tried following the tlp stuff in this manual, but still when I watch the battery status, it still gets charged even after the Stop Threshold is set at 60% and the battery is at 99% Does it even ...
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0answers
260 views

Hibernate dialog apears but doesn't hibernate?

Followed this Question and now whenever I press the button hibernate it just take me to the login screen. For critical battery I wanted it to hibernate on specific battery % and for that I followed ...
0
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1answer
19 views

Asking Support for 13.04, upgradation of 13.04 [duplicate]

Sir/Madam I am using Ubuntu 13.04. Some says that 13.04 has no longer supporting. In this i have lot of data in my system. More over that am using Dual OS. So please solve my problem that is how to ...
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2answers
1k views

Fan is constantly on when plugged, but goes silent when only on battery

Problem Fan is constantly on when a laptop is plugged and not charging. Not noisy, but definitely audible. However, it occasionally stays silent (spinning slower or not spinning at all) when laptop ...
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0answers
134 views

Ubuntu 12.04, asus f550c : it do not go in power save mode

If I remove the charger from my laptop asus f550c, it do not go in power save mode, as I can see from the applet CPU frequency scaling indicator Indeed, usually if I suspend the laptop, it has very ...
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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 ...
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0answers
95 views

How can one increase the timeout before the display dims when on the battery?

If I do not touch my computer (a Toshiba Satellite) for 15 seconds when running off the battery, the screen dims to the lowest brightness. I have already disabled "Dim screen to save power." I do not ...
0
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1answer
36 views

low on battery mode

On my lenovo laptop with Windows installed, when my battery was almost empty, it went in sleep (or some sort of sleep mode). so that if i gave it power again, it restarted back to windows with all my ...