Questions about battery usage and issues in Ubuntu.

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0
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1answer
351 views

DELL LATITUDE E5420 freezes

I am experiencing problem with versions from 10 to 13 of Ubuntu on Dell Latitude E5420, specifically. The behavior is very weird. If Ubuntu is started without power supply plugged in, the notebook ...
1
vote
2answers
802 views

Ubuntu 13.04 battery indicator problems

I installed ubuntu 13.04 with no problems but in the last 2 days the power indicator is screwing up. it says charging when i pull the cord out and when i put it in sometimes it says no charging. ...
0
votes
1answer
120 views

To control battery at a certain capacity (for ex.20%) then the laptop will be automatically standby or hibernate for long-lasting the battery

I would like to control for setting my battery at a certain capacity (for ex.20%) then the laptop will be automatically standby or hibernate for long-lasting the battery. Is there any solution, ...
2
votes
1answer
585 views

fan noise and high battery consumption with AMD hybrid graphics

as described here dell 7520 (inspiron 15R SE), fan on full speed on 12.04, 12.10, 13.04, i still have problems with my energy comsumption and fan noise under ubuntu 13.04. i could reduce it to a ...
0
votes
0answers
118 views

Laptop running Ubuntu battery management issues

I am a newbie to Ubuntu (after dumping 3 other distros) and have seen a terrible battery management from Ubuntu. I use a HP DV7 17" 8 gb ram beast with about 30 minutes of battery power since I ...
1
vote
1answer
519 views

Ubuntu crashes when on battery power

I've got an HP 2510p (with a mic problem..) with Ubuntu 13.04. When I use it plugged in to the A.C. supply, so far so good. When I disconnect the A.C. supply, Ubuntu crashes. Same thing happens when I ...
0
votes
1answer
38 views

I have some problem in logging in

When I tried to log onto my user ID, it does not accept any password. Previously also, I used to confront the same problem. But then, I would go for opting 'switch user option' when a circular shaped ...
0
votes
1answer
118 views

Battery indicator missing for amd 64 raring

I dont find the battery indicator for my amd 64 Toshiba Satellite. It points to this resource which is not found: ...
6
votes
1answer
2k views

battery issues with 13.04

My battery has been strange since on 13.04. I left my office with battery almost 100% charged, came home took a shower, and when I went to turn on my computer, the battery was dead. The power ...
0
votes
0answers
49 views

Low battery life on ubuntu 13.04 [duplicate]

Config: laptop MSI CR650 - 229XBY AMD E-450 Radeon HD 6320 (512mb) - Proprietary driver HDD: 500Gb OS: Windows 7 Home Premium SP1 (x64) and Ubuntu 13.04 Raring Ringtail (x64) Steps: 1.Clear Install ...
0
votes
0answers
28 views

Battery life in Ubuntu 12.10&12.04 [duplicate]

I am starting software developer. I have a dual boot system on my leptop. I installed Ubuntu 12.10 and found that battery life is pretty short then in Windows. I followed the instructions related to ...
6
votes
7answers
15k 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
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0answers
314 views

My ubuntu 13.04 x64 cann't do cold boot in battery?

I am using HP-Pavilion G6-2005ax, powered by AMD APU A8-4500M, 4GB RAM, 500 GB HDD and AMD Radeon HD7670M 1GB. I am using Ubuntu 13.04-amd64 version. While I am doing cold boot on battery, the Lap ...
0
votes
0answers
335 views

How to increase my Battery life? [duplicate]

I have Asus K55VJ notebook ., Its giving only 2 hours of battery backup.,how to increse it to 3 hours., May I get any Drivers .,? help me Please.
1
vote
1answer
889 views

How does 13.04 stack up to 12.04 in terms of battery life? [closed]

I've been having some issues with battery life, perhaps due in part to the age of the battery, but I'd like to squeeze out every last minute I can. I've heard that 13.04 is developed with mobile ...
1
vote
1answer
273 views

Battery backup decreased drastically

mine is a HP pavillion Dv6-6015tx laptop. I dual boot windows 7 and ubuntu 13.04. One glaring problem i have found with ubuntu 13.04 is that it gives me a battery backup of less than an hour. ...
0
votes
2answers
4k views

Thinkpad X1 Carbon - terrible battery life on Raring [duplicate]

Two days ago my new Thinkpad X1 Carbon arrived. It reportedly has "up to 8.2 hours of battery life". I installed 13.04 Raring Ringtail (x64) on it a day after it was released, and then gnome-shell. ...
0
votes
0answers
272 views

Extremely short battery life in Ubuntu 12.10

I have dual operating systems on my laptop. While I am using Win7 I work 3-3.5 hours on balanced mode. Unfortunately with Ubuntu the lifetime declined to 1.2 hours. How can I achieve the same battery ...
1
vote
0answers
129 views

Message: “Battery dies in few seconds” -Bad battery-status or problem with power management?

I'm still a beginner, but I have used Ubuntu and other distros before. I run a German setup so I'm not shure about the correct words. So here's the problem: My netbook (ASUS X201E) with fresh Ubuntu ...
0
votes
1answer
396 views

Ubuntu 12.10 on Lenovo Z480

I bought a laptop few days ago, Lenovo Z480 with Windows 8. After some hours I could finally install dualboot windows 8 and ubuntu 12.10, one thing is that I need to change BIOS setting each time I ...
0
votes
1answer
832 views

Ubuntu 12.10 is draining my battery really fast [duplicate]

I'm new to Ubuntu and I'm not a developer to know how to write codes. I downloaded it couple of days ago but it is killing my battery, it almost lasts an hour and couple of minutes while it holds for ...
0
votes
0answers
59 views

Laptop charging speed reduced after installing Ubuntu 12.04

I recently installed Ubuntu 12.04 in my laptop, previously running Windows 7. After the battery is out, I charges my laptop, then the battery have been full next day.
0
votes
0answers
87 views

Migration from Windows but with system compatibility problems!

I wanted to get rid of my Windows for a while. I can't do it for good because I'm into musical production so a Windows is always welcomed on my system. I tried to install Ubuntu on the following ...
3
votes
1answer
175 views

Can my settings be customized automatically when I boot on battery power?

Is it possible to tweak settings if and only if the computer starts on battery power? Why? I usually work without battery, but when I use a battery I want it to last as long as possible. For that ...
1
vote
0answers
93 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.
2
votes
3answers
1k 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 ...
0
votes
0answers
134 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, ...
0
votes
3answers
74 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
votes
1answer
114 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?
0
votes
0answers
29 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 ...
1
vote
0answers
265 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: ...
1
vote
1answer
5k 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?
3
votes
0answers
114 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
votes
0answers
270 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
180 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 ...
0
votes
0answers
423 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
415 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
votes
3answers
2k 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 ...
1
vote
1answer
368 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
votes
2answers
588 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 ...
2
votes
0answers
265 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 ...
2
votes
1answer
238 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
117 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
273 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
370 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
63 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
218 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
2k 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 ...
1
vote
1answer
169 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: ...
6
votes
1answer
203 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 ...