Questions about battery usage and issues in Ubuntu.

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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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16 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! ...
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1answer
21 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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29 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 ...
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1answer
24 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 ...
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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 ...
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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 ...
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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 ...
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1answer
32 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 ...
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28 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 ...
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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, ...
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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 ...
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32 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?
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30 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 ...
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1answer
38 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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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28 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?
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1answer
63 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 ...
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0answers
61 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 ...
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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 ...
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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 ...
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1answer
36 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 ...
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18 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 ...
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1answer
71 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 ...
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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 ...
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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 ...
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1answer
57 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. ...
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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 ...
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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 ...
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1answer
167 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 ...
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0answers
36 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 ...
0
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1answer
36 views

How to change drain order of laptop batteries?

I have a laptop with an extra battery. Currently the smaller one in the bay normally reserved for a CD/DVD drive drains first, leaving the main one untouched until the smaller one is totally ...
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0answers
47 views

My Lenovo G400s Touch is experiencing problems with the battery!

My Lenovo G400s Touch only charges upto 60%, and then displays a message: 60%, plugged in, not charging! I bought a new battery, but to no avail. Please help! :(
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22 views

Wi-FI Stops Working upon Boot When Being Disconnected From Power While Turned Off

So the problem is fairly described in the title. The routine goes like this: -I turn off the computer. The power cord makes a beeping sound, so i disconnect it from the laptop before going to sleep. ...
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1answer
77 views

Critically Low Battery Notification not showing in Ubuntu 14.04.1

Ubuntu is not showing the notification if there is a critically low battery. I already tried this reinstalling libnotify-bin notify-osd, but that didn't help. I am using a dell Inspiron 15 3537 ...
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2answers
77 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 ...
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0answers
100 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 ...
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0answers
14 views

Extend Bluetooth Mouse Sleep?

04 for quite some time now and i dont have any issues with my bluetooth mouse. I just find something very inconvenient, and that would be: Bluetooth mouse sleeps and does not respond when not in use ...
0
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2answers
65 views

Ubuntu and battery life

Currently I'm using a Netbook (Dell Latitude 2100 non-touch scree) (2GB RAM, 1.6GHZ Intel Atom Processor, 60GB HDD, originally Win Vista Business, currently WIndows 7 Pro and a windows experience ...
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0answers
37 views

Ubuntu 14.04 upgrade won't suspend

I have upgraded to Ubuntu 14.04, since then my computer won't suspend. When I click suspend from the menu it just goes to a locked screen. It is using up my battery. I have to totally close down ...
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0answers
128 views

Laptop battery indicator problem in Ubuntu 14.04

After I installed Ubuntu 14.04 (before I had Ubuntu 13.10), the battery indicator stopped working properly. It always shows the battery level that was at the start up (when I open the laptop and boot ...
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1answer
150 views

Horrible battery life with Ubuntu 14.04 on ThinkPad

I've purchased a Lenovo ThinkPad S540, which has according to Lenovo '9 hours of battery life'. I was really happy when I tested the device running Windows 8.1, and the battery worked for 6 hours. But ...
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1answer
200 views

Disable AMD graphic card to save battery

I just bought a dell inspiron 5537 (which already comes with ubuntu 12) and I removed the ubuntu and installed Ubuntu 14.04 alongside a windows 8.1. After struggling with the system is running low on ...
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0answers
32 views

Battery Problem In Ubuntu but better in windows [duplicate]

I am using Ubuntu 14.04 and in parallel running windows 7 on different partitions. Battery duration was good with windows (almost 4 hrs) but when i switched to Ubuntu it just gives me maximum of 2 ...
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0answers
95 views

Low battery alarm [duplicate]

I'm using Ubuntu 14.04 on a Toshiba Satellite L750. Low battery visual alerts work perfectly, BUT I'd like those to beep (or other alert sound). Is that possible at all? Thanks
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283 views

Ubuntu 14.04 Battery Issue : Not Charging

I currently use Both Windows 7 and Ubuntu 14.04 on my Lenovo Thinkpad Edge E430 laptop, while on windows the battery's charging works fine on ubuntu it some(many)times doesn't charge when plugged ...