Questions about battery usage and issues in Ubuntu.

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2answers
558 views

14.10: Battery indicator stuck on 64%

Yesterday I saw that when I plugged my laptop the battery indicator still showed me that I was on battery life instead of direct power. The percentage was 65% and after a few hours on power the ...
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0answers
35 views

How do I stop Ubuntu thinking it's installed on a laptop?

I have recently installed Ubuntu onto my desktop. I had some issues installing drivers for my graphics card and I had to reinstall Ubuntu. However, since the new install I have items in the top menu ...
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0answers
157 views

Improving battery Ubuntu 14.04 on Macbook Pro

Hey guys so usually I look on here for answers on here but I can't find any other suggestions. I want to switch my os to Ubuntu permanently from Mac but I can't get close to the battery life I was ...
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0answers
16 views

Pick which of laptop's battery to drain?

I have a a Lenovo T440s with two batteries, an internal one and an external one. Currently, which battery discharges first is not set. I am not sure how the system decides which battery to drain. I ...
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0answers
15 views

Conflict in Power Settings rating and Battery reading in menu

I have conflicting battery status readings when viewed in the dropdown user menu vs that shown in the Power Settings dialogue (which is the correct reading of the two). In fact, the status in the ...
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0answers
333 views

Please help! Blinking orange lights on laptop, battery not charging

I have just made a fresh Ubuntu 14.04 installation on a Toshiba Satellite L735 laptop. When I turn on the laptop and it is plugged to the socket, the battery icon does not show ("Show battery status ...
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0answers
27 views

New battery, computer turns off too early

I bought a new battery (which is a different type of battery than the one I had before) for my laptop Dell inspiron 1545 where I am running ubuntu 12.04. However, when I am running without a cable, ...
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0answers
64 views

Why is my battery indicator stuck?

My battery indicator is stuck on the value it had on the last log in. I also do not get low battery messages any more. I am on ubuntu 15.05...
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0answers
82 views

Battery not detected Ubuntu 14.10

I just installed Ubuntu on my new ASUS 205ta laptop. Unfortunately, the battery icon does not work because the battery is not detected. I tried the solutions to every other post, but nothing works. ...
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1answer
382 views

Battery discharges while AC is plugged in

I have a problem with my VN7-571G-56N0. My battery is discharging while the AC is plugged in. If i plug in the power cord, after i used the notebook with battery only, it charges it, but when i ...
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1answer
493 views

Display battery percentage for mouse and keyboard

I've recently bought myself a new Logitech wireless mouse and keyboard set. To get these working in Ubuntu 14.04, I first paired them (unifying USB) using Winblows then I installed Solaar. The issue ...
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0answers
92 views

''Radio device: ideapad_acpi' is a huge battery drain on my Lenovo Ideapad U410. Running Ubuntu 14.04

So just a few days ago I installed Ubuntu for the first time ever on my laptop - Lenovo Ideapad U410. I am dual-booting Ubuntu 14.04 and Windows 8.1. Although since the beginning I've been fixing many ...
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2answers
574 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 ...
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2answers
225 views

Power management and overheating

I have a HP envy 14. And dual booting windows 8 and Linux ubuntu 14.04. The problem is that it sometimes gets a little hotter than when booted with windows. Also I see that Linux "eats" the power. ...
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0answers
295 views

How to stop brightness changes (screen dimming) on low battery?

Ubuntu 14.10 automatically adjusts screen brightness on low battery. It does so despite explicitly being set not to. How to prevent this behaviour? I'd like the brightness to stay on the manually ...
1
vote
1answer
210 views

Powermanagement of Nexus 4 with Ubuntu

I am using Ubuntu 14.10(r15) from the ubuntu-rtm/14.09/mako chanel on my Nexus 4. It runs quite good, but one big problem is still the powermanagement. The battery does not last very long. Even ...
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0answers
26 views

gnome 14.04 battery guage doesn't work

The icon is there, and it works sometimes, but other times it will not change at all. It will read full, or some state of charge and not move until my computer dies. I sometimes forget that I am ...
2
votes
4answers
373 views

Alternative way to run a sudo command on startup

I am trying to write a script for my Ubuntu system to hibernate, whenever the amount of battery left is (say) 5%. This script will run on startup. I can get the battery left using upower -d |grep ...
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1answer
477 views

Mate Ubuntu 14.04 battery indicator not showing status

I got Ubuntu 14.04 MATE. But battery indicator is not showing properly even after connecting the power cable or disconnecting. It just shows what's when started. Image-1 when power connected:
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1answer
338 views

Lenovo g500 on ubuntu, battery won't charge over 59%

When I had windows I used lenovo energy managment and set the battery to charge up to 60% only as it recommended it to me. Yesterday I switched to Ubuntu and now I have this problem. It would be great ...
0
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1answer
106 views

How do I get my power indicator to reliably warn me before shutting off my laptop?

A while back I was having trouble because my power indicator for my laptop running Ubuntu never warned me when the power was about to go off. That was when using Ubuntu 14.04, and to be honest, I ...
0
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1answer
38 views

How do I set the computer to turn off screen when battery is critically low?

I read in this answer that to set the configuration to suspend we need to type: gsettings set org.gnome.settings-daemon.plugins.power critical-battery-action 'suspend' However I want just to turn ...
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0answers
143 views

Battery efficiency issue in Ubuntu 14.04

I have an HP Probook 440 G2, with an intel core i5-4210U processor. I have dual boot windows 8.1 installation. I get approx 5+ hours of battery backup in Windows 8.1 and approx 2+ hours in Ubuntu. My ...
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1answer
419 views

how to disable charging in ubuntu when battery level is above 80 percent?

I tried various tutorials to stop charging laptop battery but it is not working on my Lenovo laptop. I tried following commands: sudo apt-get install tp-smapi-dkms sudo modprobe tp_smapi ...
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1answer
537 views

Charging only ever reaches 95%

I am using Ubuntu 14.10. And my computer is always attached to an AC power source thus it is always charging. But I have noticed that my battery says it is charged when I click on the battery icon in ...
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1answer
367 views

How do I disable low and critical battery notifications in 14.10?

The frequency of these warnings is too high and I don't need to be nagged into plugging in my laptop. How do I disable them entirely?
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1answer
1k views

Ubuntu consumes more battery's power than Windows 8.1

I have installed Ubuntu 14.10 with Windows 8.1 dual boot. I have noticed that Ubuntu gives 3hr and Windows 4hr battery timing. Why?
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1answer
1k views

Battery is fully charged but when I unplug my laptop it shows battery is low

I am using Ubuntu 12.04 on my dell INSPIRON N5110. The battery icon shows the battery is fully charged(when plugged). When I unplug it says that I have low battery and approximately 20 minutes of ...
2
votes
0answers
172 views

Prevent LED blinking on Sony Vaio

I own a Sony Vaio VPCSB18GG model laptop, running Ubuntu 14.04. The dedicated power button has a LED built-in. The LED glows green when the laptop is being used. But when the battery is say, 30%, it ...
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1answer
92 views

Are proprietary drivers better for battery life?

I have an Intel HD 4400 onboard video card. I was pondering getting the properitary linux drivers from Intel. Will this increase battery life and performance? Does this apply to other components as ...
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0answers
132 views

battery recalibration tool Sony Vaio, battery Li-ion

I`m searching for recalibration battery tool for Li-ion battery of my Sony Vaio laptop. Using Ubuntu 14.04 LTS. Battery last for max. 10 min. there is just just 2 ways to solve it: 1 . recalibrate and ...
2
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0answers
285 views

Battery not working/charging but detected [closed]

i have a thinkpad t 410 and ubuntu 14.04 LTS installed. everything worked fine for a long time, but since a week or so my battery is not working properly any more (orange battery light flashing) it ...
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1answer
761 views

Ubuntu 14.04 EliteBook 8460p constant fan, hot, short battery

Finally took the plunge from Ubuntu in VM to wiping Windows and installing Ubuntu 14.04. I'm liking it so far although I've noticed the laptop gets hot very quickly, the fan is constantly on, and the ...
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1answer
414 views

Overheating and battery draining

About a month ago, I installed Ubuntu 14.10 on Lenovo T430 removing the current OS Windows 7. First two - three weeks everything was working smoothly. After then, my laptop started to overheat and ...
0
votes
1answer
73 views

How make longer lifetime of battery?

Please help to setup power perfomance on the laptop. Before Ubuntu 14.04 LTS use Win7 and work time was about 4 hours after 1,5-2 hours. Tried everything install Bumblebee, TLP. Lenovo e430 Intel ...
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1answer
214 views

14.04 Laptop battery time increasing and decreasing

I have just installed Ubuntu 14.04 in my new laptop. Every thing is fine except the battery timing. When it is 100% fully charged the time starts from 16 hours and drops to 2 hours in just seconds ...
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2answers
127 views

battery charging problem

My problem reappeared again. I have a Lenovo G780 which originally came with Windows 8 installed, and its power management would charge the battery up to 60%, but Windows crashed, and it was ...
0
votes
1answer
437 views

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

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
1answer
1k views

Lenovo G40-45 AMD Driver match for Ubuntu 14.04 LTS

I have Lenovo G40-45 Laptop with specs : AMD A8-6410 Processor Radeon R5 M230 I use Ubuntu Gnome 14.04 LTS for the operating system, overall almost my laptop work properly with Ubuntu, but I ...
1
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1answer
640 views

How to repair powerstate (intel_pstate) on Intel Haswell chips?

I recently installed tlp on my Lenovo U430p laptop. After I runned it I noticed significant drop in my laptop's on bettery time. Now my laptop lasts on battery for 2 hours less than before. After ...
1
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2answers
101 views

I want to write a Shell program for my Laptop battery

I found many commands that fetch the battery status and Percentage like upower -e and so on. Now, I want to write a shell program for an alert message (As we get during Connected and Disconnected to ...
2
votes
1answer
109 views

Java program keeps writing to disk when laptop is running on battery

I notice that when my laptop is running on battery, java applications (e.g. JabRef) will write to HDD every 5 seconds or so, as shown by iotop: 11:05:42 23199 be/4 yopology 0.00 B/s 7.39 K/s ...
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2answers
2k views

Battery not charging when laptop is in use (14.04)

I have a HP pavilion dv4, with an Intel® Core™ i5-2410M CPU. I switched to Ubuntu 14.04 recently and the battery of my laptop does not appear to charge when in use. It charges when the laptop is ...
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0answers
115 views

Power Statistics in Ubuntu 14.04 shows me battery percentage = 0%. How to fix it?

in the past days I killed my netbook while booting, then I found that I can't turn it on unless it's connected to AC power. Power statistics tells me the battery is charging, the time to full is 0, ...
1
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1answer
68 views

Using a desktop with Ubuntu 14.10…upper right corner says battery is charged 100%, why? (there is no battery)

I've done no modification to the system and I onky use apt-get update/upgrade. Nothing special like dist-upgrade or using beta packages. Should be standard stuff. This happened a couple weeks ago ...
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0answers
191 views

Battery only charges to 85 after 2 weeks

I'be been continuously using my new laptop HP 250 G2 for two weeks (always connected to the AC wall). The status was always fully charged. Yesterday I decided to run it on batteries until the power ...
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1answer
308 views

14.04 - Laptop Battery Indicator does not show the right battery percentage

Despite my battery is full; the battery indicator shows it as '98%'. When I click on it it says "Battery(charged)". Is this a bug? And how can I resolve this issue? psi. My laptop is new & I do ...
0
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1answer
229 views

“Battery critically low” on desktop

I installed Ubuntu 14.10 on a Lenovo Thinkpad, which is a All-In_One Desktop without any batteries. System is working fine, up to 2 problems: Shortly after logon, the desktop is shown and even a ...
0
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1answer
154 views

WIreless USB mouse does't work when laptop is on battery

I have a problem with my wireless USB mouse while working on battery. When laptop is plugged into power source mouse works pretty well. The problem started after I run some script that aimed to tune ...
0
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2answers
139 views

Changing screen Brightness with a script

As you may know, screen brightness drains battery, that's why it is considered a big problem for laptops (at least for me). I can change the screen brightness but every time ubuntu boots up I will ...