0
votes
0answers
16 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
9 views

No battery status icon on Lenovo B570e

I am using Lenovo B570e with Ubuntu 13.10 and my desktop won't display the battery status icon. I have already tried to add the icon in the system settings, but that has not worked.
1
vote
1answer
65 views

Laptop battery capacity reduced to 85%

I have a Dell Inspiron 5521 and have Ubuntu 13.10 on it. I noticed that my battery capacity reduced to 85.2%. Is there a solution for this? Thanks, Leo.
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
47 views

Laptop won't boot without power cable connected

My laptop is an Acer Aspire 5750 that used to run Windows 7 but is now dual-booted with Ubuntu 12.04 (now my predominant OS). Recently an annoying bug developed in that my laptop won't boot without ...
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 ...
1
vote
0answers
19 views

Using Ubuntu on laptop [duplicate]

I am currently using Ubuntu 13.10 and I feel it uses a lot of resources...which means that when using a laptop on battery..it last less.It also heats up a lot. This is not done when running on ...
2
votes
3answers
314 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
1answer
285 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 ...
1
vote
1answer
119 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
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
504 views

Ubuntu Brightness Not Working

I am using 12.04 in my dell inspiron 3521.It has got AMD radeon 7600 and intel graphics.Brightness control was working perfectly. After wiping the pre installed 12.04,I installed new 12.04 ...
0
votes
0answers
153 views

Advanced power settings, - shutdown after being in suspend mode

Ubuntu keeps completely draining my battery when it is in suspend mode and the lid is closed, I suspect this may be a problem, as it has happened (occasionally) on two of my laptops both running ...
1
vote
0answers
44 views

Troubleshooting a non-charging battery on laptop

I'm running Ubuntu 13.04 on a Dell XPS 13. My laptop works when plugged in but the battery doesn't charge. The battery info says it has a 0 W rate. What steps can I take to debug this, and ...
2
votes
0answers
285 views

How to count battery cycles?

Like most user that have searched about knows, Manufacturers ACPI implementation is a mess. And for most of our laptops, battery infos are unavailable or wrong (on a dell inspiron 15z, the rate is ...
1
vote
1answer
129 views

I've got some problems on Ubuntu 13.04, any help!

I can't set script (or by any other way through terminal) for making thresholds for battery charging, Also I know that Lenovo users provided tp_smapi kernel module which make this issue not ...
0
votes
0answers
217 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
2answers
292 views

Battery drain and over heating

I recently switched from Windows 7 to Ubuntu and I have started to see a dramatic decrease in battery life. About 2 hours battery life on Ubuntu, as opposed to when I had Windows (about 5 hours). ...
0
votes
0answers
78 views

Force battery power settings when plugged in

I recently bought a new laptop that tends to get quite hot. Today I used it for the first time on battery power, without plugging in the power supply, and I noticed that it didn't get nearly as hot. ...
0
votes
1answer
449 views

Lenovo X1 Carbon is not charging battery even if plugged into AC [closed]

I installed Ubuntu 13.04 on my X1 Carbon Touch laptop yesterday and everything worked fine, the battery charged as usual. Today I've noticed that the battery indicator shows me that I am working on ...
1
vote
0answers
101 views

Why time taken to charge the laptop battery increases rapidly when it almost full?

When my laptop is charging at first it charges normally. But when its charged about 98% time remaining begins to increase why is this?
0
votes
0answers
228 views

Heat and Battery Problem Compaq CQ42

I'm using compaq cQ-42. 2GB RAM, 500GB HD, os- ubuntu 12.04LTS. I'm facing the problems that whenever I start charging my battery then it's not totally full and white light flash and say full charged. ...
0
votes
0answers
173 views

How to enable low power mode on AC?

I am running Ubuntu 13.04 on a Dell D420 laptop. If I understand correctly, the system should automatically go into low power mode when on battery. I want to enable this mode while on AC. How does ...
0
votes
0answers
102 views

Laptop Battery Issues

I have an older laptop (Sony Vaio VGN-C140G) which I converted from Windows XP to Ubuntu. I had originally installed 12.04, upgraded to 12.10, and am now running 13.04. Under none of these versions ...
1
vote
1answer
205 views

Is it possible to stop laptop's battery from charging?

I use Dell Inspiron N4030 laptop. In win7 I was installing Dell Battery software that it was showing battery status and providing a tool for stopping it from charging(when it's connected to AC power) ...
0
votes
1answer
1k views

Dell XPS 15z (L511z) - Ubuntu 13.04 - Short Battery Life… Any help, ideas, or mods?

I presently have a Dell XPS 15z (L511z) (+ 240GB SanDisk Extreme SSD Upgrade). I also have Ubuntu Gnome 13.04 installed. My BIOS is at the latest version. I have the following power-related packages ...
0
votes
1answer
298 views

Auto Boot after Power Failure - Laptop

I'm using a laptop with lubunut on it for a project I'm working on in a remote location. I chose a laptop because of the batter already attached and the frequent power outages. Most power outages are ...
1
vote
0answers
97 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
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, ...
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
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?
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
0answers
274 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, ...
3
votes
1answer
221 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 ...
0
votes
0answers
362 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 ...
1
vote
0answers
102 views

Black screen when trying to play video games

I run a wined version of steam (mostly because most of my steam games aren't avaible on the steam beta yet) and I had problems in the past with this black screen/dim screen but I fixed it, the problem ...
1
vote
1answer
136 views

Inspiron 14R energy

The battery of my notebook is ending very quickly when I use ubuntu. I have a Dell Inspiron 14R with 6 gb memory, 1tb and NVDIA gt630m hd. Someone can tell me what I can do to improve it?
3
votes
1answer
2k views

Remaining time for laptop battery in system tray with xfce4-power-manager?

I'm using xubuntu on my laptop, and I wonder if there's a way to have the remaining time of my battery displayed in the system tray with the xfce power manager? It tells me how much time I got left ...
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 ...
0
votes
1answer
1k views

Laptop battery charging capacity reduced to 52%

I have been using Ubuntu 11.04 on DELL Inspiron 14R (N5010) laptop for last three months. Before I switch to ubuntu my laptop battery used to give 2.5 hrs to 3 hrs back-up. But since I have been using ...
4
votes
1answer
629 views

Laptop drains of quickly with battery

I am a Ubuntu user since years and I have not come across this problem till date. My battery drains off immediately after I unplug my AC power. The options I tried: 1) I checked the battery state ...
1
vote
0answers
16 views

My TOSHIBA L655 S5144 Battery is not Detected on Ubuntu 12.10 [duplicate]

Possible Duplicate: Battery not detected i used toshiba l655 S5144 and when i installed Ubuntu 12.10 gnome "no battery" present
1
vote
0answers
1k views

My battery drains really fast and my laptop gets really hot, What do I do?

I just installed Ubuntu on my HP Pavilion dv6-6c50ca, and I noticed that every time that I start my laptop with Ubuntu the fan runs really fast and the laptop produces a lot of heat. When I run ...
2
votes
1answer
6k views

What should VM writeback timeout be set to for a laptop?

I am using powertop to check that my machine is setup in a way that will give me good battery life. After installing laptop-mode-tools all of the "Tunables" section shows "Good" except VM writeback ...
4
votes
3answers
11k views

How to enable laptop-mode?

Laptop-mode is said to be one of the energy efficiency boosters for Linux. Now, sources I found say that to activate you need to: install laptop-mode-tools append LAPTOP_MODE_ENABLED=true (if it ...
2
votes
1answer
3k views

How to analysis the output of powertop to increase battery lifetime

I'm new to ubuntu using 12.04LTS .Please help me by steps.Thanks all. anoy@ubuntu:~$ cat /proc/sys/vm/laptop_mode 5 PowerTOP 1.97 Overview Idle stats Frequency stats Device stats ...
5
votes
2answers
2k views

Battery information on Fluxbox

How can I get my battery info (percentages) on Fluxbox? I've heard of the gnome-power-manager, and wanted to use that, but there seems to be a problem... $ gnome-power-manager gnome-power-manager: ...
1
vote
1answer
2k views

Ubuntu 12.04 doesn't know there's a battery [duplicate]

Possible Duplicate: The battery indicator in Unity panel not showing up I've just installed Ubuntu 12.04 on my Acer Aspire 5553. It's the first time I've used Linux for more than 4 years so ...
2
votes
4answers
5k views

Ubuntu 12.04 Battery problem

I have my laptop ( Dell Inspiron 14R) on dual boot with Ubuntu 12.04 and Windows 7. While using Windows 7, I used to get about 2.5-3 hours on battery fully charged (with my cellphone connected for 3g ...