Questions about battery usage and issues in Ubuntu.

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How to set discharging preference of batteries in Lenovo Thinkpad R400 in Ubuntu?

I have Lenovo Thinkpad R400. I have standard battery and second battery in Ultrabay slot. I want to set preference so standard battery discharges first and then starts discharging the second ultrabay ...
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9 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 ...
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9 views

No battery status icon on Lenovo B570e

I am using Lenovo B570e with Ubuntu 13.10 and my desktop won't display the battery status icon. I have already tried to add the icon in the system settings, but that has not worked.
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Laptop freezes on battery Dell Inspiron 3521 - Ubutnu 13.10 Gnome shell 3.10

I am running Ubuntu 13.10, Gnome shell - 3.10 on Dell Inspiron 3521 (bought hardly one year ago). Initially it worked fine. But now laptop is suddenly freezing. Nothing works then, no mouse, no ...
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1answer
22 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 ...
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136 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 ...
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10 views

Battery status and other

I have reinstalled my Ubuntu from 12.04 to Salamander. And now I have strange battery status. http://ubuntuone.com/1LEB7R6JK20sC2buJQ4zhc Look, it is accepted and confirmed. But status is wrong ...
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1answer
20 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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28 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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13 views

Ubuntu needs mouse hit to shutdown

My devices can't shutdown "automaticly". I have two machines with the same troubles: 1)On notebook: Notebook can't shutdown automaticly, when the battery capacity is extremely low. I applied ...
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14 views

Linked problem with a Windows program which I need to run one time

When I have used Windows 8 I have set to keep battery life with Lenovo Power Management. It have charged battery to 60% and keep it so. One time I have started my laptop without battery and this ...
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16 views

Dell Inspiron N4110 battery indicator flashing orange

So this does not happen while I'm on Windows. When my battery is fully charged and I leave the power cord on, after awhile the battery gets really hot and the battery indicator on the front of my ...
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1answer
34 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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19 views

Ticking sound from HD

I am using Ubuntu since last three months, after switching to Ubuntun13.10 I installed TLP for improvement of battery life. But then I remove TLP because there is a ticking sound from my Hard Disk, ...
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23 views

recognizing a battery on a Acer Aspire One ZG5

We have recently obtained an Acer Aspire One from a cousin, and erased its Windows XP to install Ubuntu 13.10. The battery is not recognized, however. It looks like this problem has been encountered ...
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23 views

Poor battery life: cron jobs running even in suspend

I was trying to figure out why my battery was dying out really fast even when in suspend mode. I noticed that my cron jobs run even when my laptop is suspended. I do not want this behavior. Cron ...
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1answer
62 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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98 views

Lenovo IdeaPad U430 Touch battery not charging, tlp installed with no acpi_call module

I have recently purchased a Lenovo ideapad U430 Touch. I have successfully installed Lubuntu 13.10 with Kernel 3.11.0-18-generic. Everything has been relatively painless. I've installed tlp for ...
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1answer
57 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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1answer
57 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 ...
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9 views

How to have different screen dimming profiles for AC & battery (13.10)

This has been asked before but not yet answered: I'm looking for a way to have a different timeout for screenlock & dimming depending on whether I am on AC or battery power. Currently the only ...
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40 views

Ubuntu 13.10 Saucy false low battery warning

When I unplug my charger from the computer, about 80% of the time, I get a low battery warning saying my computer is about to suspend (when I'm fully charged with a brand new battery. Clearly the easy ...
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1answer
29 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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56 views

My Laptop Not Charging And Brightness Keys Not Working After Installing Ubuntu 12.04.3 LTS

I have Lenovo(G-505s) Laptop with per-installed windows 8. Recently I'm installed Ubuntu 12.04 through CD. But after installing my laptop battery not charging and my brightness keys not working in ...
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135 views

Ubuntu 13.10 on Asus N550J : battery detected and charged, but laptop won't work without charger plugged

I recently installed Lubuntu (1st time user) on my Asus N550J laptop. I'm having a problem with the battery or the charger, I don't know for now; the battery is there and I presume it is detected : ...
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53 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 ...
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46 views

Laptop won't boot without power cable connected

My laptop is an Acer Aspire 5750 that used to run Windows 7 but is now dual-booted with Ubuntu 12.04 (now my predominant OS). Recently an annoying bug developed in that my laptop won't boot without ...
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1answer
16 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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1answer
97 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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44 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
92 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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My battery is lasting only for 1 hour on Ubuntu 12.04, while it lasts 3 1/2 hours on Windows 7! Why is it so? What can I do to solve that? [duplicate]

This may look like a duplicate question , but answers to other similar questions are very specific of the laptop configurations. So,felt that wouldn't apply to my system. I'm dual booting with ...
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68 views

How to change/customize boot settings in grub, so that ubuntu fully recognizes the hardware it runs on?

I've got a problem with Ubuntu 13.10 on my laptop Acer Aspire 5750ZG. It cannot recognize that it is running on laptop - there is no battery indicator, power consumption is very high. Simply ...
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48 views

Network speed drop when not charging

I can surf the web when I am charging my laptop ,but when i pull my charger out to run on battery power, it looks like the internet speed drop to 0kb/s. I tried to turn acpi=off in grub.cfg this ...
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25 views

Ubuntu flashes and hangs at Checking Battery Status

When I try starting up Ubuntu, it goes past the boot up screen and then the words 'Checking Battery Status' comes up with the words '[OK]' this only comes up for a little while and then the screen ...
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41 views

Save battery on xubuntu 13.10

I have installed Xubuntu 13.10 on my laptop and I am trying to increase the battery life. I have already installed TLP but i see no difference. Any ideas? Thanks, Leo.
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30 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 ...
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1answer
28 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 ...
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0answers
19 views

Using Ubuntu on laptop [duplicate]

I am currently using Ubuntu 13.10 and I feel it uses a lot of resources...which means that when using a laptop on battery..it last less.It also heats up a lot. This is not done when running on ...
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166 views

How to calibrate battery on ubuntu 13.10

there is no option to disable "when power is critically low" power off, and i heard it should be disabled to be able to consume all the battery power. has anyone solved this issue ?
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3answers
301 views

battery discharges in a strange way on Lenovo Ideapad Z500

I've a Lenovo ideapad Z500 laptop with Windows only energy management software (my battery stop charging at 60% for long lasting life). Setting the threshold from Windows, it remains also with Ubuntu ...
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44 views

Ubuntu 12.04 LTS - Will not boot on laptop using just A/C power

I have installed Ubuntu 12.04 LTS on my Acer Aspire 5741 alongside Windows 7 (Dual boot). The battery is on it's last legs and doesn't charge properly most of the time as it is relatively old. When ...
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not booting on battery - ubuntu 1204 on probook 4445s

There were no problems after initial installation till battery drained completely while the laptop was still on. After this, booting the computer on battery - with power cord disconnected causes ...
2
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1answer
40 views

Battery meter shows 6 minutes left immediately after unplugging power, and hibernates sometimes

I have a Lenovo y400. Whenever I unplug the laptop, the battery meter shows 0:06 or less and the Laptop battery critically low message pops up. It hibernates once in a while, the rest of the time it ...
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1answer
275 views

Ubuntu 13.10: Improving Power Consumption (Thinkpad T530)

EDIT: After reading @jandry's reply, I decided to give another distro with a different window manager a try to see if it is really Unity's fault. I installed UbuntuGnome, and to my utmost surprise the ...
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Hack Battery Preference for Gnome 2 MATE on Ubuntu 13.10

I am using Ubuntu 13.10 on my 32-bit computer. However, I missed the Gnome Desktop Environment so I installed MATE 2. I have encountered a problem with the battery preferences. I don't want to put ...
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1answer
347 views

Ubuntu 13.10: How to disable Nvidia graphics (nouveau)?

I have a MSI GS70 laptop with Ubuntu 13.10 installed. Unfortunately, my laptop has an NVidia graphics card, the only effect of which for me is constant fan noise, hot temperature of the laptop and ...
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53 views

Ubuntu 12.04.2 LTS on ThinkPad S431 issues when using battery power

I recently installed Ubuntu 12.04.2 LTS, using Live CD, on my newly purchased ThinkPad S431 laptop(about one month ago, the newest model without touchscreen). Everything is just nearly perfect and ...
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1answer
42 views

battery show percentage (and time if possible)

My battery has some broken cells making the battery drop from 60% straight down to 30% in a few seconds. This makes the estimated time remaining extremely unreliable for a full charge but the ...
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60 views

Ubuntu 12.04 restarts immediatly after suspension

I have a HP430 G1 and it is running on Ubuntu 12.04. Whenever I try to suspend the computer, close my lid (it's supposed to suspend when I close it) the hard drive and the fans goes silent. After less ...