Questions about battery usage and issues in Ubuntu.

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0
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1answer
20 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 ...
1
vote
1answer
41 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 ...
-1
votes
0answers
29 views

Cuttlefish #!/bin/bash not working 0.o

I was running Cuttlefish on Ubuntu 14.04 with 2 scripts to dim and un-dim my screen when AC power changes to battery and reversed. I reinstalled today and can't make the script dimming or un-dimming ...
0
votes
0answers
9 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
18 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! ...
66
votes
14answers
84k views

How to check battery status using terminal?

I would like a command that check the battery status through the terminal
0
votes
1answer
25 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 ...
1
vote
2answers
3k 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
2answers
3k views

Ubuntu 12.04 LTS drains my Samsung Series 9 900X3C ultrabook's battery extremely fast. Is there anything I can do to fix that?

The title basically says it all. My Samsung Series 9 900X3C ultrabook's battery is in the deep red around barely three hours after disconnecting it from the power - and during most of that time the ...
8
votes
5answers
2k views

How can I find the discharge rate of the battery?

Maybe this question was made earlier but I can't find it. I want to see a terminal command or gui program that can show me the discharge rate of the battery. What hardware parts or programs are using ...
-1
votes
0answers
13 views

I have a G780 which used to run on Window 8 with battery configured to charged up to 60% [duplicate]

Now I lost the Windows and installed Ubuntu 14.04. I wanted to configure the battery to charge more than 60% or 100%, I think need to change the battery configuration, but there is no such interface ...
0
votes
1answer
30 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
votes
0answers
31 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
votes
1answer
70 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 ...
0
votes
0answers
8 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 ...
4
votes
1answer
168 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 ...
0
votes
0answers
29 views

Ubuntu Battery Issues

I'm using Ubuntu 14.04 on an Acer 5750g (CPU i5 2410m, Gt540 M, Samsung Evo840 SSD) I've been experiencing problems concerning temperature, battery life and (thus I guess) CPU usage. I've installed ...
0
votes
1answer
25 views

Server 14.04 on a laptop?

I have a Dell E6320 that I recently installed Ubuntu Server on after a motherboard failure. However, since installing Ubuntu, I noticed that the battery refuses to charge. I know the battery is good, ...
1
vote
1answer
238 views

Battery design capacity is zero?

I've a Lenovo G780 unit for which the battery design capacity is reported as zero. This is a brand new unit. In /sys/class/power_supply/BAT1 I can find the following information: ...
0
votes
1answer
43 views

indicator-power stuck on the first value after logining

after removing the gnome shell . the battery indicator stuck on the first value it shows when i log in i.e. if at start it was 100% it still like that till the battery dies . can you pleases help ...
0
votes
0answers
37 views

Laptop Battery is not Charging

I am running Ubuntu 14.04 on a Lenovo IdeaPad Y510 which works fine when the charger is plugged in, but does not run at all on the battery. The battery has not been charging for at least 6 weeks. The ...
3
votes
1answer
122 views

There's no battery indicator in Ubuntu 14.04 LTS?

I have a really annoying problem with battery indicator on my ubuntu 14.04 LTS. If the laptop is connected to its power supply, the indicator works fine and shows the progress of charging and also ...
0
votes
0answers
33 views

How do I fix the battery indicator in 14.04?

I recently downloaded Ubuntu 14.04. However, the battery indicator always says my battery is charged, and I haven't found any way to update it, or anything else. What could the problem be?
1
vote
0answers
32 views

Benchmark phones using Ubuntu Touch?

I have a few used phones running identical fresh installs of the current Ubuntu Touch for Devices and want to benchmark their performance and attributes in the field such as: processor, battery ...
1
vote
2answers
429 views

What is the battery life of Lenovo t431s with Ubuntu?

I realize that some of you may own a Lenovo t431s laptop. Could you please share, what is a realistic battery life that I could expect from it with web/WiFi/coding usage? I couldn't find any Linux ...
0
votes
1answer
55 views

Ubuntu 14.04 battery drainage when shut off

I have Ubuntu 14.04 installed on a Lenovo Thinkpad T430s. The battery management worked fine until about 2-3 weeks ago. Now, however, my battery drains faster, even when the laptop is shut off. In ...
0
votes
0answers
50 views

Brigthness Display and Power Management

Please help. I'm using Ubuntu Gnome 14.04LTS, I need to tweak my Brightness Display to consume long battery life. I want to have 50% Brightness Display when I'm Unplug and 100% Brightness Display when ...
0
votes
0answers
20 views

Can't get powertop settings to stick

I've been attempting to optimize my laptop's battery life lately. Obviously I already have TTP installed, but lately I've been working with Powertop and Laptop-Mode to try to improve even more. My ...
1
vote
1answer
71 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 ...
0
votes
0answers
42 views

Brightness and Power management

I'm using Ubuntu Gnome 14.04LTS. I want to tweak my Brightness setting to consume long battery life.I want to have 100% brightness when Im on Plug and 50% brightness when Unplug However when I go to ...
8
votes
1answer
4k views

How can I get notification when my laptop battery gets fully charged?

Sometimes my charger remains plugged into laptop even after charging is complete. Is there a way to get a pop-up message/notification when my battery gets full due to charging or is there any ...
1
vote
0answers
29 views

How can I get a notification using Notify-OSD when the charger is inserted/removed?

How can I get an on-screen notification using notify-osd when I plug/unplug the charger?
0
votes
1answer
68 views

Charging ignores TLP settings

Thinkpad E430, Ubuntu 14.04 LTS I set the thresholds for charging to 85-93% in /etc/default/tlp , restarted the computer. Now it is at 99% and charging. sudo tlp stat shows that it has successfully ...
1
vote
1answer
75 views

“Battery not present” Dell Inspiron 14-7437 [Kubuntu-14.04]

I'm running Kubuntu 14.04.1 LTS AMD64 on my Dell Inspiron 14" 7437; it is a fresh and fully updated installation. What happens when I turn on my PC without the power cord attached is that KDE systray ...
1
vote
0answers
63 views

Why does my browser (firefox) in Ubuntu 14.04 keep randomly dimming?

To be more clear: Sometimes when I browse on firefox or chromioum, the screen dims to a grey screen and freezes for a couple of seconds to a minute, and then the full color comes back, but with some ...
0
votes
0answers
21 views

Ubuntu suddenly mounts the android phone and phone gets switched off?

Im using Ubuntu 14 LTS version and my android handset is having andriod 2.3 something (Gingerbread). Everytime I connect my phone to the laptop using the usb cable to charge, it connects..and ...
0
votes
0answers
104 views

Battery not detected when laptop is disconnected in Ubuntu 14.04

I have made a fresh Ubuntu 14.04 installation on a Toshiba Satellite L735 laptop and bought a new BTExpert Battery. Strangely, the battery icon does not show ("Show battery status in the menu bar" is ...
1
vote
0answers
35 views

Battery not detected, /proc/acpibattery empty even it is present

I'm using Ubuntu 14.04 and it is fully up-to-date. But the battery of my laptop is never detected. There is no battery icon on the top bar, the /proc/acpi/battery is empty. I've tried to remove the ...
0
votes
1answer
38 views

Why does my laptop suddenly turn off while my battery reports about 24% of charge?

I have an ASUS K53E. The battery reports a capacity of about 76.5%, i.e 43.8 Wh of 57.2 Wh. Since upgrading to Ubuntu 14.04, my laptops suddenly turns off: no suspend, hibernate or gracefully shut ...
0
votes
0answers
19 views

Battery Meter Inconsistent and drains rather quickly

I'm presently on Ubuntu 14.04. I just migrated here from LinuxMint Quiana. My battery meter doesn't indicate when the power cable has been plugged in or removed. I can't tell if my battery is ...
15
votes
1answer
386 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 ...
0
votes
1answer
180 views

Ubuntu Gnome 14.04 Amd/Intel Graphics, Fan and Battery Life problem

I am new to linux and ubuntu so i am having problems with it. I have dell inspiron 5521 which has hybrid graphics. My problem is that i can not switch between graphic cards -vgaswitcheroo does not ...
0
votes
0answers
18 views

turn off screen only labtop is on battery power

I am using Ubuntu 14.04 I would like that the screen does not turn off on inactivity when my labtop is plugged in, but it should turn off on inactivity when my laptop is on battery power. I can make ...
0
votes
0answers
20 views

Hibernate not available [duplicate]

I found the following tip to save battery-life of my laptop while (not) using Ubuntu: "Use Hibernate rather than suspend power features" System -> Preferences -> Power Management -> On Battery Power ...
0
votes
1answer
58 views

How does Lubuntu manage a full battery?

I installed Lubuntu 14.04 on my white MacBook 13''. Originally when running Mac OS X on a fully powered battery, while plugged to the AC, it would completely bypass the battery and run on the AC only. ...
1
vote
0answers
59 views

org.gnome.settings-daemon.plugins.power Settings Ignored in Xubuntu 14.04.1

In dconf-editor I navigated to org.gnome.settings-daemon.plugins.power and set percentage-action to 40, percentage-critical to 45, percentage-low to 50, critical-battery-action to hibernate, and ...
0
votes
0answers
10 views

Battery Drain Issue! [duplicate]

I am using dell inspiron 15r n5110 laptop,which comes with windows 7 by default. With windows,I can use it for 2.5 hrs(average). But on Ubuntu its just 1.5 . What could be the possible ...
0
votes
0answers
38 views

Brightness wont turn down?

I've had a few operating systems on my laptop in the past couple of months including alot of Ubuntu based ones. One thing Ive had a problem with in all the Ubuntu based systems is that I can't turn ...
1
vote
2answers
78 views

Battery drains so fast

I have an HP laptop. It is a 64 bit machine. But I have installed 32 bit Ubuntu 12.04 presently. My problem is, once the battery is fully charged and start using Ubuntu it gets drained completely ...