Questions about battery usage and issues in Ubuntu.

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8
votes
3answers
2k views

where did /proc/acpi/battery/BAT0/XXX go in 12.10?

I use some custom scripts that use and monitor the battery information that was in: /proc/acpi/battery/BAT0/(state|info) However, since upgrading to 12.10 I no longer have those files and I've been ...
0
votes
0answers
11 views

LAN not working while laptop on battery

My wired LAN is not working when my laptop is on battery - anyone out there who knows where to look for a solution? Strange thing is, that the LAN port is not entirely switched off, as there's light ...
0
votes
2answers
72 views

What linux distribution is less power hungry than ubuntu 12.04? [closed]

My notebook is a Compaq Pressario CQ71. The battery life is like 1:45 h. When Win Vista was installed on it, it was like 3 h. Now I like Linux more, but this distribution (ubuntu 12.04) is consumes ...
2
votes
0answers
107 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) ...
25
votes
2answers
5k views

Is there a power saving application similar to Jupiter?

I have installed the 13.04 final release and so far I am loving it more 12.10. I'm trying to install the Jupiter power settings app but, I read it is no longer compatible with the new kernel. Is there ...
0
votes
0answers
22 views

Switchable GPU and Battery drain on an HP ProBook 4530s

I have HP ProBook 4530s. In Windows 7 after installing all HP drivers the 6-Cell battery works perfectly for 2+ hours but in Ubuntu 12.10 and now in 13.04 the battery time is not sufficient. It works ...
0
votes
0answers
15 views

T400 secondary battery not in use

I am a total newbie to Linux, running 12.10 on a Lenovo T400 with a second battery installed. The battery Bat 1 is visible in the power settings but is never used by the computer, Bat 0 drains and the ...
0
votes
0answers
23 views

wrong battery report on asus k45dr

I bought new asus laptop with series k45dr and there is something wrong the battery, it always show that it fully charged , even though i have used my computer for more than an hour then without ...
0
votes
0answers
15 views

Change brightness automatically depending on power source in 12.04

I'm running Ubuntu 12.04 on a HP G61. When I used to use Windows in this machine, my screen to autodimmed when unplugging AC (i.e. running on battery), and brightness was restored when plugged again. ...
2
votes
2answers
1k 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
0answers
40 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 ...
0
votes
1answer
65 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, ...
0
votes
0answers
74 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. ...
1
vote
2answers
1k 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 ...
-1
votes
0answers
20 views

Viewing Logitech G930 battery status? [closed]

Is there any way to see the battery charging status of my Logitech G930 headset?
1
vote
0answers
95 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
55 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
2answers
2k views

Battery life starts at 2:30 hrs (99%), but less than 1 minute later is only 1:30 hrs (99%)

After searching this and other forums, I haven't seen this same issue listed anywhere for Ubuntu 12. Prior to installing Ubuntu 12.10, my Netbook (Acer AspireOne D250, SATA HDD) was consistently ...
0
votes
2answers
2k views

How to run Ubuntu 12.10 on a Laptop with maximum power saving?

I have a Toshiba L500-21T with Intel core I3 M330 2.13GHZ having 4 cores with Amd Mobility Rdeon 4500 Graphic card, 360Gb HD and 6GB DDR3 RAM. How can I run my lappy smoothly while giving me ...
1
vote
1answer
88 views

Hp dv6z(AMD version 3243cl) over heat & Battery Drain

I am new here on Ubuntu(12.04 x64)! The problem I am facing here is very less battery life and constant noise of fan during use of my laptop! Laptop has AMD Phoneme II processor,6 gb ram ,Amd radeon ...
0
votes
1answer
172 views

Dell Inspiron 5720 battery manager?

Is there anything like battery charge manager in Ubuntu 12.04 for my Dell Inspiron 5720? I mean some program, that I can set so that it stops laptop from charging when it's above 80% of battery charge ...
-1
votes
0answers
44 views

Kernel 3.9 and 3.9.1 battery indicator [closed]

I'm running Ultimate Edition Black Opal with kernel 3.8.8 on a Toshiba Satellite P875 laptop. When upgrading to kernel 3.9 or 3.9.1 and after sudo reboot the battery indicator that is suppose to ...
3
votes
3answers
4k views

12.04 hangs at “checking battery state”

My 12.04 system hangs at "Checking battery state". At this stage, no commands work eg: Ctrl+Alt+f1, or Alt+f5. I ran recovery mode, and ran the following commands: sudo mount -o remount, rw / sudo ...
0
votes
0answers
30 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 ...
90
votes
23answers
32k views

Tips to extend battery life for laptops and notebooks

It is possible to greatly extend the usage time of a laptop or netbook running on battery by disabling various services and installing various packages. What tricks or tips do people have for ...
0
votes
1answer
64 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
1answer
18 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
0answers
214 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
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
1answer
45 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: ...
1
vote
1answer
166 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 ...
1
vote
0answers
77 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
46 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
20 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 ...
0
votes
2answers
67 views

How Do I install Ubuntu minimal few require components ?

I'm new to the world of Linux & don't know all the fancy words. I was using Ubuntu 12.04 on my laptop HP Envy 4 1046TX and had issues like battery draining out fast, excessive heating, Undue CPU ...
1
vote
1answer
282 views

How can I see the battery status of my Logitech wireless mouse?

Is there a way to monitor the mouse's battery status in Kubuntu? I have a Logitech Wireless Mouse M510 and in Windows I can use the default software (from official site) to monitor battery status and ...
0
votes
2answers
364 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. ...
2
votes
2answers
243 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
1answer
1k views

fan out loud on ubuntu 12.10

i just installed ubuntu 12.10 i386, and at first i have two problems. out loud fan sound low battery life my laptop: dell inspiron N4030 with Mobility Radeon HD 5430 Series ATI card. ...
0
votes
0answers
63 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
497 views

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

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 ...
0
votes
1answer
101 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
0answers
101 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 ...
0
votes
1answer
48 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?
1
vote
1answer
1k views

Power & Sleep Management

I'm running 12.10 with xmonad. Trying to ensure that the right things happen when I close laptop lid, etc. I see Internet search results for similar issues that mostly point towards ...
1
vote
1answer
200 views

Dell Inspiron 1525 Battery not working (Ubuntu 10.04)

I am using ubuntu 10.04 on dell N5010 with perfect battery but it get immediately hibernate after removing power cord. battery is charing during ubuntu use.
2
votes
3answers
1k views

How to improve battery life on a HP Pavilion dv6?

I apologise if this question is too similar to the numerous others already asked, but I'm a beginner and I really need your help. So...I've installed Ubuntu 12.10 a few days ago and I have only been ...
1
vote
0answers
52 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
0answers
315 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 ...
1
vote
5answers
6k views

Battery indicator missing, ubuntu 12.04 [duplicate]

There is a closed , question at Battery Indicator Missing. But I have the problem and have not found any solution yet. Also asked a question about it on Launchpad but no replies again. ...

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