Questions about battery usage and issues in Ubuntu.

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3
votes
1answer
72 views

Battery consumption comparison of Unity, Gnome, Gnome Classic XFCE and LXDE

I would like to know what is the rank of the current LTS version in term of probable consumption of battery power -ie: for a same usage. Is the following rank probably correct, where top of the rank ...
54
votes
11answers
65k views

How to check battery status using terminal?

I would like a command that check the battery status through the terminal
1
vote
3answers
1k views

How can I disable asus-nb-wmi when using battery power mode?

I'm trying to improve the battery life of my Asus U32U notebook. I'm running Ubuntu 12.04 64bit and using powertop it shows the following: PowerTOP 1.97 Overview Idle stats Frequency stats ...
2
votes
1answer
126 views

Is there any battery management software to work with a laptop plugged to AC power so as to save the battery lifetime?

I was used to remove the battery of my laptop whenever I worked with my computer plugged to AC power and to load the battery with the computer switched off so as to save the lifetime of the battery. ...
3
votes
0answers
26 views

How to set low battery sound alert? [duplicate]

I am using Ubuntu 14.04. Mostly I study from e-books, so I read e-books in fullscreen or play games in fullscreen. How to set a sound alert for low battery?
0
votes
1answer
281 views

Computer Battery not Charging

I recently converted my brand new Acer Aspire M to Ubuntu 13.4 and I have the same problem (Bran New computer and was working fine with Windows 8). The battery icon is always in Red saying I have ...
0
votes
0answers
92 views

Ubuntu 14.04 does not detect my battery to start

Ubuntu 14.04 does not detect battery to start. My laptop is an acer Extensa 5630z Intel Pentim Dual CPU T3400 2.16 Ghz x 2. 32 bits I have unity active. I have daemon.plugins.power ...
0
votes
2answers
38 views

Bettery life issue with Ubuntu 14.04 LTS amd 64 bit [duplicate]

i have dell 5537 i5 4th Gen laptop. after installation of ubuntu 14.04 LTS amd 64 bit version on my laptop. my laptop battery life is decreasing very quickly .and life bet-try is showing 1 ...
0
votes
0answers
5 views

gnome3: how to set to play sound when battery power is low?

There is some setting for this function before gnome3: An audio file can be set to be played when battery power is too low. I did not find the setting in gnome3. Is that possible for gnome3? And how?
0
votes
1answer
150 views

Apple magic mouse battery indicator on Ubuntu 13.10

does anyone know how to display battery indicator in top panel for Apple magic mouse, on desktop computer, when i type in shell 'upower -d' i get info about device, battery and percentage, also if i ...
0
votes
3answers
43 views

LAPTOP battery draining faster without overheating issue [duplicate]

I have a hp laptop with an AMD graphics card and I have installed Ubuntu 14.04 alongside my window 8.1. Under Ubuntu the laptop is quiet silent and smooth (no overheating) but the battery is draining ...
3
votes
1answer
504 views

Is there a way to run the laptop only on AC power without removing the battery?

Is there a way possible to run a laptop only on AC power without having the need to remove the battery i.e. to disable the charging as it is possible in Windows 7.
1
vote
0answers
24 views

Lenovo x1 carbon (gen1) battery life

I'm using an Lenovo x1 carbon (gen1) and have Ubuntu 14.04 and tlp installed. I'm really dissapointed about the battery life. Some people claim to have 6 hours ...
0
votes
1answer
2k views

battery icon / power indicator not shown in menu bar after upgrade to 12.04

Since the upgrade from 11.10 to 12.04 the battery icon / power indicator is not shown any more in the menu bar. I went to 'system settings'-->'power' and tried to set 'show battery status in menu ...
0
votes
0answers
258 views

Lenovo Z510 working extremely slow on battery

Ubuntu 12.04 on Lenovo Z510 i5. When AC power adapter is plugged in, everything is fine, the system is working fast. When i unplug the AC adapter, ubuntu is going to work extremely slow. I ...
0
votes
4answers
119 views

Low battery life in Ubuntu 14.04

I did a clean install of Ubuntu 14.04, along dual booting Windows 7. I love Ubuntu but then suddenly the power went out and the next thing I know my battery ran out of juice in less than 30 ...
7
votes
8answers
17k views

display brightness problem with ubuntu 13.04

I have a Dell Inspiron 5520 with intel core i7 and AMD Graphics card. It used to work fine with Ubuntu 12.04 and Ubuntu 12.10. Now I tried to install Ubuntu 13.04 but i can't change display ...
0
votes
1answer
22 views

BIOS Corrupted After A Failed Suspension

Currently typing from a friend's Wii. My HP 2000-299WM laptop stalled while suspending one night, so I forced it to shutdown with the power button. Now, initial HP splash screen is blank, and leads ...
0
votes
0answers
35 views

Ubuntu 14.04 - Battery Problem

My three year old Lenovo G570 has recently developed a unique problem. When its running on Ubuntu 14.04 its battery starts draining even when connected to ac source. But when it is shutdown mode and ...
0
votes
0answers
20 views

Battery Life in Lenovo E430 [duplicate]

I installed Ubuntu 14.04 Lts on lenovo thinkpad e430. the computer is brand new and I had windows 8 installed before. in windows 8 battery life for ordinary use was about 3 hours, but in ubuntu it ...
1
vote
3answers
486 views

Battery led blinking red on Asus N550JV with Ubuntu 12.04

Model: Asus N550JV OS: I have a dual boot Win8 and Ubuntu 12.04 64bit. UEFI boot Problem: The battery is not recharging anymore. It means the computer works as usual but once I plugged off the ...
23
votes
5answers
24k views

How can I limit battery charging to 80% capacity?

I just learned that some Lenovo laptops include a utility that offers to limit battery charging capacity to within 0–80% in order to slow the attenuation of the battery lifespan: How can I do this ...
-1
votes
0answers
32 views

Lenovo E531, Ubuntu 12.04, x64, freezing

I have installed Ubuntu 12.04, x64 in my Lenovo E531 laptop and I have noticed that when the battery is on the laptop (the AC power is not plugged in) randomly freezes. Nothing responds (mouse, ...
0
votes
1answer
271 views

How to set battery charging thresholds on T420s

I have a ThinkPad T420s and would like to expand the battery service life (not maximize time the laptop can run off a battery) I have tp-smapi-dkms and sysfsutils installed, and when I run: $ ll ...
1
vote
1answer
48 views

using multiple desktop environments [closed]

Quick question about using multiple desktop environments. Can I install extra environments without affecting my current environment. I have to use a low energy demanding environment because I will not ...
3
votes
1answer
117 views

Laptop freezes on battery Dell Inspiron 3521 - Ubuntu 13.10 Gnome shell 3.10

I am running Ubuntu 13.10, Gnome shell - 3.10 on Dell Inspiron 3521 (bought almost one year ago). Initially it worked fine, but now laptop is suddenly freezing. Nothing works then, no mouse, no ...
4
votes
1answer
3k views

How to tweak Powertop to reduce power consumption?

I am a completely new user to Linux/Ubuntu. I looked through tips on battery issues and PowerTOP but failed to find clear tips on how to tweak PowerTOP except for Toggle Tunable. Could someone look ...
1
vote
0answers
48 views

Why the suspend is not even close to consuming 0 power? [closed]

Out of curiosity, I've measured power consumption of my computer on various states/loads. And guess what, suspend is not that energy saving as you may guess! It's far from claimed 0 or nearly 0 power ...
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 ...
0
votes
1answer
43 views

Low Level Issue- Battery issue

I have installed Xubunto instead of Machintosh on my MacBook Pro machine, when i close the screen the apple lamp on the back of my laptop doesn't goes off, and the laptop runs out of power. how can i ...
1
vote
1answer
51 views

brightness not dimming on battery [duplicate]

On my Lenovo Yoga Pad 2 with Ubuntu 14.04 there is no option to dim the screen when in battery mode. There is one option "Dim screen to save power" but it doesn't seem to have any effect: How can ...
0
votes
1answer
16 views

Battery icon missing in gnome-shell panel

I have lost the battery icon on panel when I rotated the screen using ccw (/etc/X11/xorg.conf) and can't get it back. dconf editor → com → canonical → indicator → appmenu → power shows icon policy ...
0
votes
0answers
117 views

HP Bluetooth Mouse Connection Problems

About a month ago, I turned on my laptop (Ubuntu 14.04 and Windows 8.1 dual boot, though the mouse works fine in Windows), logged in and connected my HP x4000b mouse via a bluetooth dongle (Kinivo ...
2
votes
1answer
1k views

How to keep a bright screen with battery power? [duplicate]

Possible Duplicate: Always be 100% bright when I'm using battery It would seem that one would go to the power settings, and adjust the amount of time before the screen becomes dim, but ...
3
votes
0answers
45 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
1answer
1k views

Laptop Battery Life increased in 14.04

I own a Dell Inspiron 15R laptop (Intel i5 @2.5GHz, 4GB RAM, 750GB HDD 7200rpm, 15.6inch display, Bluetooth, WiFi, etc) which is my primary machine for both work and personal use. I made a clean ...
0
votes
1answer
40 views

Plugged in, battery not charging, not running down

This morning, after being plugged in all night, my Asus N550J, Xubuntu Saucy, showed 28% battery. When it is plugged in, it shows the Charging icon, yet the percent charge never goes up. When it is ...
0
votes
1answer
31 views

Will Ubuntu degrade my macbook pro battery?

I used Ubuntu on my previous laptops and it was very common that after I use Ubuntu on my laptop the battery almost always degraded. The batteries on my old laptops were LiON.
1
vote
2answers
35 views

Power settings location?

I have Xubuntu 14.04 and I am running it on an EeePC. Where in the world are my power settings? I've looked everywhere. I found this in my files, but I don't know how to open/use/install it. ...
0
votes
0answers
71 views

No battery indicator in Ubuntu 14.04

My new and recent setup of Ubuntu 14.04 on a Dell Inspiron 7437 (laptop) shows some peculiar behavior in terms of the battery indicator: If the laptop is connected to its power supply, the indicator ...
0
votes
0answers
24 views

ASUS 1005PE runs hotter and drains the battery quicker since installing 14.04

Since migrating to 14.04, my ASUS Eee PC 1005PE laptop runs very hot and the battery seems to drain faster. I believe it may be attributable to the loss of the Jupiter application that replicated the ...
0
votes
2answers
198 views

overheating and battery drain MacBook pro

I have just installed ubuntu Gnome 14.04 in a Macbook Pro 13" mid 2012, and I have some problems with my laptop. I have already installed TLP and macfanctld, but my MacBook still have the problem, ...
0
votes
0answers
71 views

Lenovo Y510P: Battery wont charge past 60%

On my y510p, I set Lenovos battery software to "Optimize battery health" while I was in Windows 8.1. I forgot to change it before overwriting that partition with Ubuntu, and now my battery in Ubuntu ...
0
votes
1answer
31 views

Indicator icons don't change on theme change

I have changed my theme but the battery, messaging and network icons won't change. It shows the regular Gnome icons. How can I change these? Here's a screenshot:
1
vote
2answers
1k 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 ...
5
votes
2answers
235 views

Battery indicator has disappeared from Gnome panel

I'm using Gnome Flashback (still the best!) on Ubuntu 14.04. In the Indicator app, it used to always show the battery level indicator. Now, it's missing entirely: I've looked in the power settings ...
0
votes
0answers
33 views

Turn off screen when inactive ONLY on battery power

In the "Brightness and Lock" settings there is a nice feature to automatically turn off the screen after a period of inactivity, but I only want to do this on battery power. When plugged in, I always ...
1
vote
1answer
150 views

How to improve battery life on Samsung 13.3” Series 7 Ultra (NP730U3E-S01AU)?

Recently I've bought a Series 7 Ultra Samsung ultrabook and decided to change the OS from originally installed Windows 8 to Ubuntu 14.04LTS. However, it's difficult not to notice great decrease in ...
0
votes
1answer
443 views

Ubuntu 14.04 draining battery very quickly

I know there are several other questions very similar to this, but I feel that questions like this are specific to the system you are running and so there is not really a "one size fits all" type of ...
0
votes
0answers
53 views

Laptop battery sometimes does not charge?

So on my Asus K56C laptop running Ubuntu 14.04 (was same problem in 13.10) I got a problem that from time to time after I use laptop without cable (just on battery) it stops charging with cable. I can ...