Questions about battery usage and issues in Ubuntu.

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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: Power ...
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1answer
36 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 ...
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1answer
16 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 ...
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0answers
28 views

14.04 battery status not recognized correctly on MacBook Air

I've installed Ubuntu 14.04 LTS on a MacBook Air 2011. When starting Ubuntu, sometimes the battery state is shown to be empty, although it is not. Hence, automatic shut down takes place. After one or ...
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1answer
18 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
38 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
55 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
53 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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0answers
9 views

Toshiba Portege r100 No Longer Recognizes Second Battery

This is what I posted on the Toshiba forums, but posting here, in case there's a clever Ubuntu angle I can use: Now the second battery is not recognized. The light doesn't come on (in the r100's row ...
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1answer
28 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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67 views

Power Management

I'm running Ubuntu on an Acer Aspire V Nitro - VN7-571G laptop. The battery should last for 8.5 hours with Windows 8.1, but with Ubunt the battery drains in about 3 hours. Acer has no drivers for ...
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1answer
89 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
73 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 ...
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0answers
30 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
36 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
22 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 ...
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0answers
103 views

Battery not working/charging but detected

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
181 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
209 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 ...
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0answers
24 views

battery died during update from 13.10 to 14.04

Apologies for a deeply rookie error, but any help much appreciated; Whilst updating from 13.10 to 14.04 the power died and now only boots a blank screen. In recovery mode I've tried 'repair broken ...
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1answer
48 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
48 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
45 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 ...
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0answers
45 views

Ubuntu (14.04) freezes on laptop when power not inserted

I use Linux Mint 17 Qiana (on Ubuntu 14.04.1). My laptop is a Dell Inspiron M5110 which has an AMD CPU and an AMD graphics card. When I boot my laptop on battery, no problems occur. When I boot my ...
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1answer
89 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 ...
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1answer
287 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 ...
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0answers
71 views

Problem with battery indicator in 14.10

I've got a problem with battery indicator: Ubuntu keeps showing the charging icon although the laptop is not connected to an external power source. Is there any solution?
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1answer
100 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 ...
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2answers
47 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 ...
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0answers
17 views

Old battery detected

At the end of last year I had to purchase a new batter for my now five year old laptop. After upgrading to 14.04 when it had come out it started to detect my old battery and now displays the percent ...
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0answers
44 views

Lenovo Yoga 2 Pro and Ubuntu 14.04: Power display not updating

The percentage and remaining battery time display on the top right do not update on my Yoga 2 Pro that is running Ubuntu 14.04. However, if I click on the battery and Power Statistics program starts, ...
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0answers
30 views

Battery drain in lenovo g400s

I just bought a Lenovo Ideapad g400s (specs http://pastebin.com/VSMBUxFq) and for some reason, my battery only last for like 1 hour, the laptop is brand new, and i already tried everything, from TLP ...
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0answers
86 views

Battery indicator displays same percentage, gets stuck on charging/discharging

I'm having a problem with my battery indicator on my MacBook running Ubuntu 14.04. It consistently shows the same percentage until I either restart the computer or resume from suspend. Additionally, ...
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0answers
47 views

Just installed Ubuntu 14.04 Battery no longer charging past 70%

thanks for the help. I just installed Ubuntu, and it was working fine yesterday. I just fixed my internet connection speed, but now my battery is stuck at 70% charged. It has a symbol that says its ...
2
votes
1answer
43 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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0answers
92 views

Battery issues - suddenly critical level [Ubuntu 14.04]

Since a week I'm experiencing sudden drops in battery level: it will be around 50-60% and suddenly drop to less than 10% and I get the message the battery level is critically low. Sometimes it doesn't ...
0
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2answers
153 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
31 views

Power Statistics in Ununtu 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
47 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
41 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 ...
0
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0answers
71 views

New battery not detected not charging Ubuntu 14.04 on eMachine D725 laptop

I have recently installed Ubuntu 14.04 on my old eMachine D725 laptop (2011 model) as the only OS. Though my old battery is detected and being charged, it doesn't hold charge for more than 2 minutes. ...
0
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1answer
99 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 ...
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0answers
76 views

function keys only work with battery on lenovo g40-30

I have Ubuntu 14.04 LTS running on my Lenovo G40-30 and the function keys only works when the battery is connected. If I remove it, the function keys simply doesn't works. What can I do?
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0answers
38 views

In ubuntu 14.04, the battery icon is frozen

My battery icon is frozen! When I run unity under alt-f2 it changes but it won't change otherwise. I don't want to reset unity this way just to see whether my battery is running out all the time! ...
0
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1answer
62 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 ...
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0answers
58 views

Battery is present. Ubuntu says it's charging but not

I am new to Ubuntu, installed 14.04 on my HP pavilion dv6. It was working fluently. But after a month It's BIOS has crashed and I sent it to HP TotalCare center. Yesterday, I've took it back. It's ...
0
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1answer
67 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
102 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 ...
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0answers
12 views

keyboard buttons 4 and 5 refresh the browser

very strange. the buttons '4' and '5' will refresh any browser site. I have to press the FN-button to neutralize the effect. please help, I cant take any longer. I wanted to fill in a ticket form on a ...
1
vote
1answer
61 views

14.04 battery status is not working well

Problem : when I turn on my pc, the battery status is showing 95%. but it is still showing 95%, end of the battery. no more change. I reinstall the power management from software centre. But it is ...