0
votes
0answers
18 views

Is that bad statistics for my Laptop battery?

Battery capacity is 76.4 %. Is that bad? Does it mean my battery is dying? Actually it's decreasing everyday by .1.
0
votes
0answers
12 views

Laptop intermittently detecting power supply

My laptop is an Acer Aspire 6930, very old, running Ubuntu 12.04 or 12.10. It ran fine (Albeit only for five minutes) on battery, but when plugged in it seemed to barely detect that it was receiving ...
0
votes
0answers
10 views

How to set discharging preference of batteries in Lenovo Thinkpad R400 in Ubuntu?

I have Lenovo Thinkpad R400. I have standard battery and second battery in Ultrabay slot. I want to set preference so standard battery discharges first and then starts discharging the second ultrabay ...
2
votes
0answers
10 views

Battery Icon does not work properly for dual batteries

I have two batteries for my laptop, one is the built-in battery and the other comes from keyboard (X1 Helix if you want to know how that works). The way it works is: laptop draws power from ...
0
votes
0answers
18 views

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

I am running Ubuntu 13.10, Gnome shell - 3.10 on Dell Inspiron 3521 (bought hardly one year ago). Initially it worked fine. But now laptop is suddenly freezing. Nothing works then, no mouse, no ...
0
votes
1answer
30 views

Battery consume

i know this is a frequently asked question. After trying win 8.1 and latest opensuse i feel ubuntu 13.10 to consume much power. Lenovo B590 notebook with 1TB 5200rpm hdd, 8 gigs of ram, i5 2.5GHz ...
0
votes
1answer
29 views

Which icon does indicator-power use when fully charged?

This is a minor annoyance. Using Xubuntu 14.04. I installed the latest Faenza icon set. Unfortunately, it's missing the icon for when the battery is fully charged (adapter is connected). It looks ...
1
vote
0answers
34 views

How to calibrate the laptop battery on 12.04

Since a couple of days or so my laptop (asus n76vm) does a hard shut-down when the battery indicates 20% life left. It just cuts off the power, no shut-down screen or anything, making the hard drive ...
0
votes
0answers
13 views

Ubuntu needs mouse hit to shutdown

My devices can't shutdown "automaticly". I have two machines with the same troubles: 1)On notebook: Notebook can't shutdown automaticly, when the battery capacity is extremely low. I applied ...
0
votes
0answers
15 views

Linked problem with a Windows program which I need to run one time

When I have used Windows 8 I have set to keep battery life with Lenovo Power Management. It have charged battery to 60% and keep it so. One time I have started my laptop without battery and this ...
0
votes
0answers
24 views

Poor battery life: cron jobs running even in suspend

I was trying to figure out why my battery was dying out really fast even when in suspend mode. I noticed that my cron jobs run even when my laptop is suspended. I do not want this behavior. Cron ...
0
votes
0answers
113 views

Lenovo IdeaPad U430 Touch battery not charging, tlp installed with no acpi_call module

I have recently purchased a Lenovo ideapad U430 Touch. I have successfully installed Lubuntu 13.10 with Kernel 3.11.0-18-generic. Everything has been relatively painless. I've installed tlp for ...
0
votes
0answers
9 views

How to have different screen dimming profiles for AC & battery (13.10)

This has been asked before but not yet answered: I'm looking for a way to have a different timeout for screenlock & dimming depending on whether I am on AC or battery power. Currently the only ...
0
votes
0answers
40 views

Ubuntu 13.10 Saucy false low battery warning

When I unplug my charger from the computer, about 80% of the time, I get a low battery warning saying my computer is about to suspend (when I'm fully charged with a brand new battery. Clearly the easy ...
0
votes
0answers
58 views

My Laptop Not Charging And Brightness Keys Not Working After Installing Ubuntu 12.04.3 LTS

I have Lenovo(G-505s) Laptop with per-installed windows 8. Recently I'm installed Ubuntu 12.04 through CD. But after installing my laptop battery not charging and my brightness keys not working in ...
1
vote
0answers
55 views

Hibernate dialog apears but doesn't hibernate?

Followed this Question and now whenever I press the button hibernate it just take me to the login screen. For critical battery I wanted it to hibernate on specific battery % and for that I followed ...
0
votes
1answer
101 views

Fan is constantly on when plugged, but goes silent when only on battery

Problem Fan is constantly on when a laptop is plugged and not charging. Not noisy, but definitely audible. However, it occasionally stays silent (spinning slower or not spinning at all) when laptop ...
1
vote
0answers
45 views

Ubuntu 12.04, asus f550c : it do not go in power save mode

If I remove the charger from my laptop asus f550c, it do not go in power save mode, as I can see from the applet CPU frequency scaling indicator Indeed, usually if I suspend the laptop, it has very ...
1
vote
1answer
96 views

Ubuntu Battery not charging or not detected

Here is question/answer just to help the community. I just bought a new ASUS N750J . I had some issues installing kubuntu. Problems were the CPU FAN always running at full speed, battery not ...
0
votes
0answers
68 views

How to change/customize boot settings in grub, so that ubuntu fully recognizes the hardware it runs on?

I've got a problem with Ubuntu 13.10 on my laptop Acer Aspire 5750ZG. It cannot recognize that it is running on laptop - there is no battery indicator, power consumption is very high. Simply ...
1
vote
0answers
32 views

How can one increase the timeout before the display dims when on the battery?

If I do not touch my computer (a Toshiba Satellite) for 15 seconds when running off the battery, the screen dims to the lowest brightness. I have already disabled "Dim screen to save power." I do not ...
0
votes
1answer
28 views

low on battery mode

On my lenovo laptop with Windows installed, when my battery was almost empty, it went in sleep (or some sort of sleep mode). so that if i gave it power again, it restarted back to windows with all my ...
2
votes
3answers
319 views

battery discharges in a strange way on Lenovo Ideapad Z500

I've a Lenovo ideapad Z500 laptop with Windows only energy management software (my battery stop charging at 60% for long lasting life). Setting the threshold from Windows, it remains also with Ubuntu ...
0
votes
0answers
44 views

Ubuntu 12.04 LTS - Will not boot on laptop using just A/C power

I have installed Ubuntu 12.04 LTS on my Acer Aspire 5741 alongside Windows 7 (Dual boot). The battery is on it's last legs and doesn't charge properly most of the time as it is relatively old. When ...
0
votes
0answers
13 views

not booting on battery - ubuntu 1204 on probook 4445s

There were no problems after initial installation till battery drained completely while the laptop was still on. After this, booting the computer on battery - with power cord disconnected causes ...
2
votes
1answer
41 views

Battery meter shows 6 minutes left immediately after unplugging power, and hibernates sometimes

I have a Lenovo y400. Whenever I unplug the laptop, the battery meter shows 0:06 or less and the Laptop battery critically low message pops up. It hibernates once in a while, the rest of the time it ...
0
votes
1answer
290 views

Ubuntu 13.10: Improving Power Consumption (Thinkpad T530)

EDIT: After reading @jandry's reply, I decided to give another distro with a different window manager a try to see if it is really Unity's fault. I installed UbuntuGnome, and to my utmost surprise the ...
2
votes
0answers
82 views

Hack Battery Preference for Gnome 2 MATE on Ubuntu 13.10

I am using Ubuntu 13.10 on my 32-bit computer. However, I missed the Gnome Desktop Environment so I installed MATE 2. I have encountered a problem with the battery preferences. I don't want to put ...
1
vote
0answers
135 views

Battery issues - Lenovo Ideapad Z460

I've been using Ubuntu 13.10 on my Lenovo for more than 5 months without a problem. Yesterday I disconnected the AC adapter to take the laptop with me to the couch and it simply shut down. So I ...
1
vote
1answer
121 views

Battery issue in Asus with ubuntu 12.04 [closed]

I have an Asus N550JV-C232H, and I have installed Ubuntu 12.04 LTS and my laptop can't charge anymore. It's a new one. I had previously Lubuntu (for 2 or 3 days before installing Ubuntu), and I didn't ...
0
votes
0answers
49 views

HP Envy Spectre battery charger problem

I have an HP Envy Spectre, running a dual boot Ubuntu 12.04 64 bit, and Mint 15 64 bit. The following problem appears on both OSes: When I turn on the notebook with the charger plugged in, sometimes ...
0
votes
0answers
19 views

My battery status isn't showing

I have Ubuntu 13.04, 32-bit, on a 64 bit laptop, and I noticed that the battery status isn't showing at the top of the screen, and I really need to know my battery status. How can this be solved?
1
vote
2answers
62 views

Battery Management in Ubuntu

How can I change the Battery Management settings in my Laptop? I used to have a Windows installed and in that, the battery management program (for the sake of battery health) had the charging limited ...
0
votes
2answers
461 views

Disabling touchscreen to extend battery life?

I've read various posts about extending battery life of laptops and notebooks. And I've done various of things to extend it. But I'm wondering does touchscreen take power and how much? Would it be ...
0
votes
0answers
109 views

Dell Inspiron 7000 15inch Battery icon not visible until cable plugged in

So after fighting to get Ubuntu 13.10 installed along side Windows 8 in (u)efi mode, I am left with one strange issue. If I boot the laptop while not plugged into the wall no battery level applet is ...
0
votes
0answers
76 views

Fan settings - battery vs. plugged in

I'm using Ubuntu 13.10 on a Lenovo Y510p laptop with Intel Core i7-4700MQ and an Nvidia GeForce GT755M graphics card which I'm not really using thanks to bumblebee (the only graphics driver loaded is ...
0
votes
1answer
48 views

Problem with battery power supply

When I was using Xubuntu 12.04 laptop could live 2-3 hours. Now, after installing 13.04 battery life becomes shorter and shorter. xfce4-power-manager shows that battery is fully loaded, but after ...
1
vote
0answers
108 views

Battery indicator stuck at 98% percentage

Ubuntu 13.10 64-bit, used to work fine but lately battery applet with percentage says 98% at boot but doesn't drain (though obviously battery is draining). How can I reboot the applet/make it work ...
0
votes
0answers
63 views

Powersafe, no fan sound, generally silent and light ubuntu configuration

I usually travel with my notebook and my journey is quite long. I need to slow my pc as much as its possible to safe power for more time. I need to use text editor even nano is fine and I want to play ...
0
votes
1answer
77 views

Samsung series 3 runnint ubuntu 12.04, battery indicator does not recognize when I unplug my charger

I have a Samsung series 3 (NP305E5A-S01CA) running 12.04, everything has been running great except for the battery and power management programs. Even when my AC charger is unplugged and it is running ...
0
votes
0answers
152 views

How to programmatically apply Powertop's power saving suggestions on battery mode?

I am using Ubuntu 13.10 on an Zenbook UX21E. In order to apply all suggestions programmatically, that Powertop gives to save power, I created a script in: /etc/pm/power.d/zenbook containing: # ...
0
votes
2answers
139 views

Asus laptop power management

I have a couple of symptoms that make me think Ubuntu has some problems identifying all the components of my laptop (Asus N56VJ-S4051H). When starting the computer from the OFF status, the fan goes ...
0
votes
0answers
48 views

uhci_hcd is draining my battery?

I'm an Ubuntu user for about a year. So far, I've tried Linux Mint (Nadia & Olivia) and Ubuntu 12.04 and 13.10. Currently I'm on 12.04 LTS. On all of the operations system I used, I experienced ...
0
votes
0answers
49 views

Just got a new battery for my laptop, getting some weird readouts. Ubuntu 12.04

I have a Dell Inspiron N5010 and my old battery got old and could only hold maybe 30minutes worth of power at a time, so I got this: http://amzn.com/B0060KKW3O And I popped it in, no problem, I ...
1
vote
1answer
392 views

Lenovo Ideapad battery limit

I have an Ideapad Y400 running Ubuntu 13.10. It previously ran Windows 8, and had a Lenovo utility to limit the battery charge to 60%. Now that I've installed Ubuntu, of course, the utility is gone. ...
0
votes
0answers
47 views

upower do not execute power.d scripts if started on AC power

If I turn on my Notebook on AC power then upowerd igneres power.d scripts. the output of $ upower -d ... on-battery: no does not change to "on-battery: yes" if I pull the power cable. ...
15
votes
6answers
1k views

How can I optimize Ubuntu for minimal energy usage?

How can I optimize Ubuntu for minimal energy usage? I use my laptop for development, but also for writing. I have a 9 hour flight coming up and a 6 hour battery life when already using limited ...
0
votes
1answer
67 views

Battery failing on Acer Aspire One 722 when starting

I have been running Ubuntu 13.04 on my Acer about month ago, it has worked perfectly, but some days ago the battery hasnt allowed the computer to start. It starts normally with the computer connected ...
2
votes
1answer
184 views

Does TLP dynamically change according to power source?

I know that TLP automatically starts when the system boots up, but I wonder if it dynamically changes according power source. For example, when I manually type sudo tlp start when I'm running my ...
0
votes
0answers
49 views

Why does my desktop say battery level critical and then hibernate the moment it starts?

The system will not stay up long enough to logging and see whats going on. Anyone got any ideas ?