Questions about battery usage and issues in Ubuntu.

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59 views

Laptop battery is not recognized in Ubuntu 12.04

I recently installed Ubuntu 12.04 on my laptop. Ubuntu does not recognize the battery, even though the battery is connected.
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2answers
306 views

Much lower battery life on Ubuntu and laptop heating up badly

I have the following config laptop: System model: HP Pavilion g6 Notebook PC Processor: AMD A8-4500 APU with Radeon HD Graphics (Quadcore 1.9Ghz) Memory: 6Gb RAM Graphics:AMD Radeon HD 7640G+7600M ...
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0answers
49 views

Asus EEE PC 1015CX freezing on battery

I have a ASUS EEE PC 1015CX with Ubuntu 12.04 LTS. All works fine when netbook is powered on AC. But If it runs on battery, it regulary freezes (process Xorg goes up to 90% CPU) Any help, what should ...
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0answers
56 views

Toshiba L650 Laptop battery meter on 12.04 Unity 2D

I'm running 12.04 Unity 2D as a VMware VM in a Toshiba L650 Laptop. Thing is I am not able to get a battery meter displayed on the Menu bar on top. Not having any options for the same in ...
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0answers
59 views

Low battery life in thinkpad x120e in 12.10

I have tried every tool available to try and increase my battery life. In windows I can get up to 8 hours but in linux I can barely manage 4. I am using powertop, thinkfan, tcp, updated every driver, ...
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3answers
30 views

2nd HD added to laptop. Eating battery life

I replaced my main laptop hard drive with a 240GB SSD. Ordered one of the faux optical drives that allow you store a second hard drive where your CD-ROM use to be. I'm able to access both drives ...
0
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1answer
56 views

Battery life on Zenbook UX51 Ubuntu 12.10

My battery life is 2h30m in my Ubuntu 12.10 but in Windows I had 7h00 I installed jupiter, nothing changed. What can I do?
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112 views

Battery design capacity lower than actual

Hi i have been having some problems with battery. It is 48 Wh battery for Lenovo Ideapad and ubuntu is still telling me it design capacity is 38 Wh and also i doesnt charge it more than this value. ...
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0answers
107 views

What tool to use to log battery status in Ubuntu 12.10

What daemon-like tool use to log battery status (to get real time of work on battery) in Ubuntu 12.10 Quantal Quetzal? I have tried to use battery-stats-collector but it doesn't work: ...
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0answers
26 views

How To Install Powertop 2.3 & Permanently Save Changed Of Powertop Suggestions In Ubuntu? [duplicate]

I have Google every ppa and checked that they all have the powertop 2.1, So how can i install powertop 2.3 just recently released. How do make permanently save changes of powertop, i know i can put ...
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0answers
132 views

LOADS of Issues with my HP Envy-4 Sleekbook

i'm not new to ubuntu but i am knee-deep in problems that i cannot find actual solutions for (even on this site), heck im just hoping they exist. I'm just going to organize this here. System: ...
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1answer
2k views

Ultrabook or Thin Laptop with great battery life for Ubuntu [closed]

Any recommendations on a great ultrabook or thin-enough laptop with great battery life for running Ubuntu?
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0answers
48 views

How can I prevent my laptop auto suspend (due to critically low battery) from looping?

I have an Acer Aspire 5750G on Ubuntu 12.04LTS and I've got a problem: Battery critically low > suspend > wake up instantly (I don't touch ANYTHING) > suspend > wake up.... power outage > dead. I've ...
2
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0answers
202 views

ubuntu 12.10 64-bit consuming 100% cpu power and high battery

I am new linux user, installed ubuntu 12.10 (64-bit) from wubi (getting boot option (windows7/ubuntu). But after opening ubuntu, laptop gets heat up, fan running very fast and performance is very ...
3
votes
1answer
68 views

Mouse and touchpad freeze without power supply

I have a fresh installed Ubuntu 12.04 LTS on my HP ProBook. My external mouse and my touchpad freeze in battery mode. I can reinitialize them with Ctrl + Alt + 1 and back to 7. As long as I move the ...
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0answers
320 views

New battery installed but Ubuntu only recognizes 2.5 hours of life

I'm having an issue in which I have installed a new battery that will not charge to it's full capacity. I'm looking for a manner to change some setting in which Ubuntu will allow a full charge. After ...
2
votes
1answer
126 views

How to prevent battery charging unless dips below 95%? on an Asus U31SD-XH51

I have an Asus U31SD-XH51 laptop running latest Ubuntu 12.04 LTS and I want to know if there is a way to prevent the system from charging the battery unless its charged level dips below 95%? This is ...
0
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3answers
637 views

How can I increase battery life in Ubuntu?

I really like Ubuntu, and I want to work with it always instead of windows. But the problem I find is that the battery runs out very fast (< 2 hours) when I use Ubuntu. It would have been great if ...
0
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0answers
62 views

Checking battery state whenever I launch steam

This is a strange problem. Every time I launch steam in 12.10 64-bit, I get a black screen with Checking battery state [ok]. I press enter and it redirects me to the login screen. When I login, every ...
1
vote
1answer
181 views

Fan - always on: Battery drain too high in Ubuntu 12.10 x64 [duplicate]

I bought an Asus U36 ultrabook some time ago, because it had 4-6 battery hours (average real values). Now that I updated to Ubuntu 12.10 x64, My battery lasts less than 3:15 with the type of use I ...
0
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2answers
278 views

Loud fan and very hot pc

I know, that you don't like when someone ask same question as is answered but I try a lot of solutions and nothing helped... I installed Ubuntu 12.10, everything is good but fan is very noise and ...
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0answers
70 views

Battery indicator doesn't change its status (but after reboot)

The problem is the same as here: The icon does not change when the power cord is plugged in or unplugged (the icon remains a battery if that was the power source on boot but won't change if ...
0
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0answers
55 views

What are the different power modes in xfce?

I use xubuntu on a small netbook. I want to conserve the maximum amount of battery. I have turned down the brightness, but what is the difference between 'normal' and 'presentation' power modes in the ...
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0answers
137 views

Battery charging/discharging state Ubuntu 12.04.2

My laptop show that i'm running on battery even when i'm connected to a power outlet. The charger is working fine. Double checked the charger on Windows and on another laptop of same model. Looking ...
1
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1answer
109 views

Integrated webcam on a Dell V131 drains the battery when not used. How to turn it off?

After using the integrated webcam, it never fully turns off and keeps hogging the battery. From powertop: The battery reports a discharge rate of 22.6 W The estimated remaining time is 0 hours, 41 ...
0
votes
1answer
82 views

Can't login to Ubuntu 12.04 since I reinstalled battery related packages

I reinstalled gnome-power-manager, upower and indicator-power in order to fix battery indicator issues. Now when I try to login, the screen turns black and sends me back to the login screen. ...
2
votes
0answers
126 views

Wrong battery state reading cause brutal shutdown

I have an Asus Zenbook UX31A, the Asus 13" unit from first generation ultrabooks. I run Ubuntu 12.10 up to date on it. Before a week or two I used to enjoy more that 5 hours of battery life, ...
2
votes
0answers
128 views

Internet on wireless doesn't work without charger

My laptop is running on Ubuntu 12.04. Since last few days, I am facing a strange problem (some may even call me crazy after reading this). My laptop is Acer Aspire 5755 (specifications - just in case) ...
0
votes
1answer
55 views

Use wifi only when necessary

To optimise my laptops battery life I would like to make it so that wifi gets turned on only when there is a process running which needs a network access. For example when browser or transmission is ...
3
votes
1answer
100 views

Creating scripts

I'm following advice from LessWatts to lower battery drain with the following commands: mount -o remount,noatime / hdparm -B 1 -S 12 /dev/sda echo 3000 > /proc/sys/vm/dirty_writeback_centisecs ...
2
votes
1answer
294 views

How can I save my laptops battery from draining? [duplicate]

I am using ubuntu 12.04 (switched from windows 8 recently) and I am finding that this OS is draining my laptops battery like anything (works only like 70% of windows). I also found this interesting ...
0
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1answer
82 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: ...
5
votes
1answer
111 views

I bought a new battery and Ubuntu 12.10 isn't recognizing it

I inherited my mom's old laptop and installed Ubuntu over top of Vista, so now it is purely Ubuntu. Her old battery only lasted about 10 minutes, so it had to be plugged in all the time, which I ...
1
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0answers
69 views

Battery Status in Notification

I don't really know about scripts but I'm trying to create one to display battery level when a key is pressed. I've done this: battery_level=`acpi -b | grep -P -o '[0-9]+(?=%)'` ac_power=`acpi -a | ...
0
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0answers
35 views

HP G6 laptop will not suspend when on battery

I have an HP G6 laptop with 12.10 installed. When running on Battery power it never suspends and the screen never dims. When the AC adapter is plugged in it will dim and eventually suspend just fine. ...
1
vote
1answer
180 views

Terminal check remaining battery health [duplicate]

I've tried the following command cat /proc/acpi/battery/BAT0/info And there it is No such file or directory acpi outputing this: Battery 0: Unknown, 100% Is there another way to check the ...
1
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2answers
250 views

Dell laptop battery backup 1.30 hours only with Ubuntu 12.04. How can the battery backup be increased?

Dell laptop Model: N5110 (Inspiron 15R) Display: 15.6" Battery: 6 cell Graphics: NVidia GeForce 525M 1GB (No driver for Ubuntu), Working on Intel Graphics 1GB OS: Ubuntu 12.04 (Precise) 64 bit ...
0
votes
1answer
184 views

ThinkPad W500 ubuntu 12.10 64 poor battery performace

This week I installed Ubuntu 12.10 64 on my ThinkPad W500. Great machine, powerful. But my battery lasts only around 2 hours. What I've done: In the BIOS, I disabled the discrete graphic card ...
0
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0answers
93 views

Battery Symbol shows no charge when plugged in and charging

I have recently switched out windows for ubuntu 12.10. I am now having an issue where my computer is plugged in and charging and my computer light says it's charging, but the battery symbol at the top ...
0
votes
0answers
58 views

Boot without X, impact on battery?

I am not too happy with my laptop's battery life and my work consists mostly of text editing so I could do it from a command line. I am considering booting to text mode, as explained in the accepted ...
2
votes
1answer
298 views

Laptop battery life decreased compared to Windows 7

I'm new to linux and few days ago i installed it on my laptop. I have windows 7 64-bit in one partition and on other partitions the ubuntu 12.10(6gb), swap partition(8gb) and /home partition about ...
0
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0answers
103 views

Screen not turning on after closing and opening lid

I've got Ubuntu 12.10 installed on my laptop (Acer Aspire One KAV60) and set the Power Options to do nothing when closing the lid when the charger is plugged in, but when I close it and reopen the ...
2
votes
0answers
175 views

Xubuntu 12.10; battery drains when laptop lid is closed

I am on Xubuntu 12.10. When I close my laptop lid, the screen goes black as normal, and the normal login window appears when I open it up again. However, I notice that for example, I left my laptop ...
1
vote
1answer
408 views

Battery life: 90 min on Acer ultrabook / 12.10

i usually work on my Acer M5-481TG with Windows 8 x64 and recently installed Ubuntu 12.10 (x64) alongside with it. Unfortunately, the battery-life is roughly one and a half hour - which apparently is ...
1
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0answers
31 views

Can I make Ubuntu One sync only at certain times and only when there's an Internet connection available?

Is there anyway to have Ubuntu One sync in the morning and not at night? I keep seeing the program launch and sync when my notebook isn't plugged in and it seems to be draining the battery a lot. ...
0
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0answers
96 views

High discharge rate, Ubuntu 13.4 gnome 3.6 [duplicate]

I have Dell Inspiron N5010 Core i5 with ATI Radeon 5xxx and 4 GB RAM I have installed Ubuntu 12.10 with Windows 7 and updated to gnome 3.6 then updated to Ubuntu 13.4 And I'm using the default driver ...
0
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0answers
80 views

Ubuntu 12.04-no password screen when opening laptop lid

I am currently using an HP Pavilion dv6t. In case it matters, my Linux kernel version is 3.3.6-030306-generic. In my battery settings, I have it set to "Do Nothing" when the lid is closed (for both ...
0
votes
1answer
82 views

/can you install ubuntu to hdd but it runs completely from ram while hdd is not spinning?

my main purpose is to be able to install ubuntu to the hard disc so that my settings and everything are saved but i want it to load itself to my ram for faster operation and better battery life while ...
0
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0answers
240 views

Mode “extended life” battery on 80% - Ubuntu 12.04

Well, I have a laptop Lenovo G460L, which has a battery with two options: maximum service life and maximum performance ... with Maximum Performance up to 100% but maximum life only load up to 80% and ...
0
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0answers
43 views

Why does udev not see the switch ac<->battery ?

When i plug in the ac adapter the battery applet status switches to "charging" and this is ok but when i unplug the ac adapter the battery applet always shows "charging" and i always have to do: sudo ...

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