Questions about battery usage and issues in Ubuntu.

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How can I repair the system management from the recovery menu

I have Ubuntu 12.04 LTS installed on an Acer AO756. I cannot run Ubuntu in normal mode under mains power alone. If I try to do so the computer shuts itself down after a few seconds. The only stable ...
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5 views

What is wrong with the power management of my Aspire One 756

My Acer Aspire One 756 (AO756-2894) doesn't want to charge the battery. The battery might be dead. However plugged in and without the battery it seems to remember the state of charge of the battery ...
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0answers
10 views

Battrey charge and not to 100%

I have Asus X45LC, and after install Ubuntu 14.04 my laptop battery not change to 100% and very soon empty. why? When I Install Charger Cabal, on first not change, and I back and too install start to ...
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0answers
6 views

What are the consequences of disabling nmi_watchdog?

My aim was to improve battery life for my laptop. I have already applied advised modifications like enabling ALPM, and adding pcie_aspm=force drm.vblankoffdelay=1 i915.semaphores=1 at grub startup of ...
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1answer
27 views

Ubuntu 12.04 LTS and Windows 7

I am using Ubuntu 12.04 LTS dual booted with Windows 7 , when i am with windows 7, computer performs normally, but when i switched to Ubuntu it roaring like anything , also heats up quicklyand battery ...
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2answers
36 views

Damaged and locked dependencies

First of all I point out I'm not expert so sorry if I don't understand something or I write some silly stuff. I downloaded the TLP for power saving while using my laptop with the battery, even though ...
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0answers
8 views

System goes to suspend mode on plugging out charging

I am using ubuntu 12.04 LTS. Whenever i plug out my charger, i see Low battery notification (even when my laptop is fully charged) and then my system goes to suspend mode. Please let me know if this ...
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1answer
37 views

How to save battery life in Dell Vostro 3446 (Ubuntu 15.04)

I have both Windows 7 and Ubuntu 15.04 on my Vostro 3446. I noticed that when I'm on Windows 7 I get easily 4-5 hours of battery life but when I'm on Ubuntu, it barely lasts 1.5-2 hours. I cam across ...
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0answers
27 views

Battery indicator disappears on connecting the power

I removed Unity and installed Gnome on Ubuntu 14.04. Now the battery indicator disappears on connecting power. The indicator-power-service appears to be there but it isn't working. On running it from ...
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2answers
41 views

How do I turn off battery charging in Ubuntu?

I mainly work on AC power. Therefore Windows has the below utility to improve battery life for my scenario by disabling battery charging: How do I achieve this in Ubuntu? Thanks in advance!
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28 views

What is the proper/recomended way to handle laptop power management in Ubuntu?

I have seen many power management utilities/methods for Ubuntu. These are few of them: TLP CPU Power Scaling indicator-cpufreq cpupower Using powertop command Using laptop-mode-tools Intel i915 ...
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1answer
63 views

Does Ubuntu 14.04 save laptop battery?

Does Ubuntu 14.04 save battery on my laptop HP ProBook 4540s? My search revealed the following: When working on ac then the command cat /proc/sys/vm/laptop_mode returns 0, and if the battery 5. This ...
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1answer
21 views

How can I get a visual indication if I muted audio and the battery power is running out?

Is it possible to show a flickering or something else to indicate the shut-down process is nearby instead to get my attention with beeps? Ubuntu Gnome here.
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0answers
13 views

Is it possible to turn off Thinkpad dead battery led indicator?

I have old Thinkpad T61 with ubuntu 14.04LTS. Battery is completely dead (orange light is blinking all the time). But I don't want to replace it. I would like to turn off that indicator? Can it be ...
1
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1answer
22 views

How can I monitor battery temperature?

Is there an app or a widget for Ubuntu 14.04 that would allow me to keep track of my laptop battery temperature? So far I've found this thread but the question was never answered. It's an Inspiron ...
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0answers
25 views

Battery suddenly drops to 0%

My battery started dropping down from around 35% to 0% suddenly . This started happening as soon as I installed ubuntu 12.04 ..I am using a lenovo Z510 laptop with windows 8.1 as default OS..Any ideas ...
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0answers
11 views

Can you disable the low battery notification?

I have a question about the low battery notification when your battery is low. Can I disable it? It really annoys me at times.
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2answers
87 views

Surface Pro 3 Battery

I installed 15.04, everything is running smoothly. One issue, however, is that I have no battery notifier on either gnome nor unity. Q: How could I begin to trouble shoot this, if there is no fix, ...
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0answers
9 views

screen brightness does not affect working hours

I have noticed that screen brightness does not affect working hours on battery of my laptop in any Ubuntu version I used so far (Ubuntu 12.10, 13.04, 13.10, 14.04, 14.10 and 15.04). I can increase ...
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0answers
88 views

Laptop with Ubuntu Mate 15.04 screen dimming after 10 seconds

I watch movies on Youtube, Popcorn or XBMC and after 10 seconds when I have my laptop disconnected from power the screen dims. I know that there is an option in dconf-editor for longer timeout but ...
2
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0answers
53 views

Battery will not charge past 59%. I have no access to Windows or lenovo softwares anymore [duplicate]

I have an Ideapad Touch u430 that came with AOE licence. As it was recommanded, I used the Energy Manager to enable the Economy mode (I don't remember the exact name) that makes your battery stop ...
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1answer
52 views

CPU frequency limit to 2000 on battery

I want set frequency to 2100 in battery mode but it have limit to 2000. I ran tlp ac and change CPU frequency with indicator-cpufreq to 2100 (and also check Performance) then check frequency with ...
1
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1answer
249 views

Why Ubuntu 15.04 with kernel 3.19.0-15 is using significantly more power?

I've recently upgraded to 15.04 and immediately noticed significantly faster battery depletion and warmer case. My MacBook Air 6,2 would easily hold 10-12 hours on battery power with Ubuntu 14.10 and ...
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0answers
236 views

Reduced battery life with ubuntu 15.04

I'm using a Lenovo Z-5070 Ci7. I had a battery life of nearly 4 hours when I was using Ubuntu 14.04 LTS. After updating to Vived Vervet (15.04) my battery life is reduced to nearly 2 to 2.5 hours. ...
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0answers
25 views

Battery detected, working but not charging

My Dell laptop runs Ubuntu 14.04 LTS . It's saying that it's charging but it's stuck on 10% . I tried different chargers but it doesn't work . Help? I have this problem since I started using Ubuntu. ...
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1answer
75 views

How To Get Rid of This? Ubuntu is Definitely Consuming More Power Than Windows! [duplicate]

System details: Intel Core i5 2.50GH, Nvidia, 2GB RAM, 32bit O/S for both Linux and Windows. Well I have been using Ubuntu 14.04 LTS for nearly 1 week. I have noticed whenever my laptop runs on ...
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0answers
71 views

Ubuntu 15.04 doesn't detect battery (Toshiba Satellite L755D)

There is no battery detected my laptop. It is a Toshiba Satellite L775D. Any help?
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0answers
24 views

Execute script on power supply connected

I am looking for a method that will call a script when the power supply is connected, or the battery state becomes "Charging". I will not accept answers involving any type of cron or loops. I know ...
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0answers
54 views

Need battery applet for Awesome WM and Ubuntu 14.04

Today I made a fresh installation of Ubuntu 14.04. I was using Ubuntu 10.04 previously. So far I have restored everything except for I cannot find an applet for Awesome WM that shows the battery ...
0
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0answers
31 views

Battery Low Alert for Gnome

Ubuntu 14.10, Gnome desktop never shows an alert when battery is down. It caused my laptop power off due to low battery a couple of times. Wondering if these is any method that I can set a low battery ...
0
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0answers
30 views

Thinkpad Battery Life

I've got an X1 Carbon, and I've done my best to get battery life up to just under 3 hours. I've had the machine for two years now, but I'd really love to get 6 hours. Has anyone personally gotten a ...
1
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0answers
29 views

Ubuntu sleeps when power cable is removed

I just installed Ubuntu 14.04 on a Macbook 5,2. It works fairly well except that when the power cable is unplugged the desktop logs out, prompting the password menu and in less than a second the ...
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0answers
37 views

In battery mode disable apm hard drive sleeping?

I am using Ubuntu 14.04 LTS. I want to disable advanced power management level up to 255 when my laptop is in battery mode. At this moment amp change it to level 1 and it's very hard to deal with. ...
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0answers
26 views

HP battery not charging (works when removed/reinserted)

I've tended to have a problem with my battery on my HP sleekbook 15 on my ubuntu 14.04 installation. After going into hibernation or shutting down, when booted up, the battery is not charging... It ...
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0answers
24 views

Losing wireless networks on battery power 14.04

Running Ubuntu 14.04. Using a Dell Inspiron 5520. I assume this has to have been asked somewhere before, but Google has not been showing me any love whilst looking for a solution. If my computer is ...
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0answers
25 views

Excessive Draining Of Battery

I have Intel Corporation Haswell-ULT Integrated Graphics Controller and I've installed Tlp for battery saving but I am seeing no improvement in battery life, also my laptop is heating up more than it ...
1
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1answer
65 views

How to measure battery life on Ubuntu 14.10

So, I am rather happy with my battery life. I just want to know how I can measure how much time I actually get out of it. All the posts about battery life and Linux/Ubuntu/etc seem to be about ...
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0answers
34 views

Battery drains fast when it is suspended

I installed Ubuntu MATE 14.04 around a weak ago, and have had some problems. When I suspend the computer, it still drains battery faster than I think is correct. The battery is supposed to last ...
0
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0answers
58 views

Toshiba Satllite e45t Ubunut 14.04 - Heats up quickly, low battery life compared to windows 8.1

I bought a Toshiba Satellite 45t recently with factory windows 8.1. Did the usual UEFI and secure boot disablement and proceeded with installing Ubuntu 14.04 - dual boot with the Windows. Three days ...
1
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1answer
23 views

Is used content of memory saved to disk during suspension?

When suspending 14.04 on a laptop, is the used part of the main memory saved to the disk? I.e. is suspension save-to-ram or save-to-disk? If yes, saved to the swap partition or other partition? ...
1
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0answers
30 views

Laptop shuts down as soon as the battery is reached 65%

I have Ubuntu 14.04 dual boot with Windows 8.1. Windows is working perfectly fine but in Ubuntu, Laptop battery discharges slowly than the rate at which it used to discharge previously, and my PC ...
0
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0answers
24 views

Power management issues on my laptop

Yesterday I figured out that my System76 laptop isn't charging at all when it's both plugged in and turned on. IMHO it should charge at least a little so that when I grab it on the way out the door in ...
0
votes
1answer
96 views

Ubuntu MATE 14.04 and suspend error

I just installed Ubuntu MATE 14.04 on my computer 6 days ago, but have experienced that when I put it in suspend, it still empties the battery in a short time (the battery was half full, 4 hours, and ...
0
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0answers
58 views

Ubuntu 14.04 LTS battery indication wrong when unplugged

I just installed Ubuntu 14.04 LTS on my Asus R500V. When I used Windows 7, my battery would last for over 3 hours, but with Ubuntu the battery drains quickly per my battery indicator. Now the ...
0
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1answer
30 views

Laptop heats up faster and much more

I've installed Ubuntu (14.0.4 LTS) recently and my laptop is heating up more than ever... I am not even getting more time on battery. My PC is a Lenovo Ideapad Yoga 13 (3rd gen, ci5 , 4gb, 128gb ssd) ...
0
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1answer
83 views

How to monitor battery condition and pop-up notification?

Essentially, I would like this comment into a working answer. I know how to extract the battery percentage from How to check battery status using terminal?: upower -i $(upower -e | grep BAT) | ...
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0answers
31 views

Ubuntu upgrade with XFCE makes mouse battery die very fast

I recently upgraded my Ubuntu. I have always disliked Unity because it's so slow so I decided to move to XFCE. The problem is, ever since I did this (1 month ago), I've gone through 3 Energizer ...
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1answer
72 views

System76 laptops battery life [closed]

I have been impressed by the System76 laptops as they are designed for and ship with Ubuntu. I strongly feel the most important feature of a portable computer is that it is actually portable, i.e. ...
2
votes
1answer
87 views

Acer Aspire power management

I'm working to fix my Acer Aspire One netbook so that power management is working. Currently, it goes to "suspend" when either the lid is closed or it is idle. However, it must still be using ...
1
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0answers
73 views

How to use UPS with Ubuntu 14.04

Hello I have a UPS but can not see what procedure the battery and how to remain percent spending. Here I attach some photos looks like the battery of Ubuntu 14.04 The battery once it exists, and ...