0
votes
1answer
12 views

Why does my laptop suddenly turn off while my battery reports about 24% of charge?

I have an ASUS K53E. The battery reports a capacity of about 76.5%, i.e 43.8 Wh of 57.2 Wh. Since upgrading to Ubuntu 14.04, my laptops suddenly turns off: no suspend, hibernate or gracefully shut ...
0
votes
0answers
23 views

Xubuntu 14.04 calibrate battery percentage

Before I moved to Xubuntu from Ubuntu, I could get my battery down to around 20% before it shut off. It started to shut off at around 40%. I switched to Xubuntu and the problem was still there, and ...
0
votes
1answer
28 views

How to change drain order of laptop batteries?

I have a laptop with an extra battery. Currently the smaller one in the bay normally reserved for a CD/DVD drive drains first, leaving the main one untouched until the smaller one is totally ...
1
vote
2answers
61 views

Battery drains so fast

I have an HP laptop. It is a 64 bit machine. But I have installed 32 bit Ubuntu 12.04 presently. My problem is, once the battery is fully charged and start using Ubuntu it gets drained completely ...
0
votes
0answers
79 views

Laptop battery indicator problem in Ubuntu 14.04

After I installed Ubuntu 14.04 (before I had Ubuntu 13.10), the battery indicator stopped working properly. It always shows the battery level that was at the start up (when I open the laptop and boot ...
0
votes
0answers
133 views

Ubuntu 14.04 Battery Issue : Not Charging

I currently use Both Windows 7 and Ubuntu 14.04 on my Lenovo Thinkpad Edge E430 laptop, while on windows the battery's charging works fine on ubuntu it some(many)times doesn't charge when plugged ...
0
votes
0answers
50 views

Laptop consuming battery with lid closed?

I have an Asus X550 laptop, with Xubuntu 14.04.1 installed. I used to close the lid when I stopped working, leaving all my documents open. When I returned and opened the lid, my session was as I had ...
1
vote
1answer
126 views

Ubuntu 14.04 does not recognize my battery

For the last 3 years I've been using a Samsung notebook. I was using Ubuntu 13.10 until 2 weeks ago. Then I decided to format and install Ubuntu 14.04 LTS. Everything was working great, until the ...
0
votes
0answers
77 views

Laptop Battery Not Detected [Shuts Down When Disconnected From Charger]

I recently installed Ubuntu 14.04 LTS on my laptop and was able to get everything working, but my battery suddenly stopped working. I thought it just wasn't charged, but even after charging it ...
0
votes
0answers
41 views

How to make the system detect correctly charge status?

Yesterday, after correctly performed the installation of (UEFI) ubuntu 14:04 LTS 64-bit in dual-boot with Windows 8.1 64-bit on my laptop asus A551LN I had a serious problem: the operating system did ...
2
votes
1answer
258 views

Is there any battery management software to work with a laptop plugged to AC power so as to save the battery lifetime?

I was used to remove the battery of my laptop whenever I worked with my computer plugged to AC power and to load the battery with the computer switched off so as to save the lifetime of the battery. ...
1
vote
0answers
224 views

Lenovo x1 carbon (gen1) battery life

I'm using an Lenovo x1 carbon (gen1) and have Ubuntu 14.04 and tlp installed. I'm really dissapointed about the battery life. Some people claim to have 6 hours ...
0
votes
1answer
1k views

Ubuntu 14.04 draining battery very quickly

I know there are several other questions very similar to this, but I feel that questions like this are specific to the system you are running and so there is not really a "one size fits all" type of ...
0
votes
1answer
101 views

UPower reports Incorrect Capacity

I've just replaced my old Netbook battery with a new one of higher capacity. It was a cheap battery off of Amazon which clearly reads as a 5200mAh battery but Ubuntu reports the battery as being the ...
0
votes
1answer
2k views

Laptop Battery Life increased in 14.04

I own a Dell Inspiron 15R laptop (Intel i5 @2.5GHz, 4GB RAM, 750GB HDD 7200rpm, 15.6inch display, Bluetooth, WiFi, etc) which is my primary machine for both work and personal use. I made a clean ...
1
vote
0answers
136 views

If laptop is in sleep and the battery gets critically low, will ubuntu put computer to hibernate?

I know that on windows this happens, but I don't knw weather it works on ubuntu. So, the question is: If laptop is in sleep and the battery gets critically low, will Ubuntu put computer to hibernate?
1
vote
1answer
66 views

How to tell if battery is dead using Ubuntu

Today I found an old ASUS UL30A laptop collecting dust in my office. The hard drive was missing and it seems the battery is dead, but I just so happened to have an Ubuntu USB stick lying around so I ...
1
vote
1answer
259 views

Battery not charging above 34% on Lenovo E430

My System Spec is: OS: ubuntu 12.04 LTS OS Type: 64-bit Laptop Model: Lenovo Thinkpad E430. My Laptop is plugged to the wall for more than 10 hours. But the battery percentage never goes above 34%. ...
0
votes
0answers
44 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
19 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
165 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
78 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
123 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
969 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
20 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
1k 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
75 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 ...
1
vote
1answer
1k 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
286 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
300 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
591 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 ...
1
vote
0answers
57 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 ...
3
votes
0answers
497 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
136 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 ...
2
votes
1answer
327 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
435 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
1answer
678 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
152 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?
1
vote
1answer
293 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
355 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
130 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
126 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
897 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
6k 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?
2
votes
0answers
312 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
244 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 ...
1
vote
0answers
133 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
145 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 ...