Questions about battery usage and issues in Ubuntu.

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12 views

Ubuntu showing incorrect battery percentage on MacBook Air (2011). Is it a bug?

I am running Ubuntu 16.04 on a 2011 MacBook Air (directly, not using virtualization), and the battery percentage seems off. I left the charger plugged in until the LED turned green, and yet the Ubuntu ...
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0answers
13 views

Battery drains fast in Ubuntu14.04LTS. Screen goes out when switched to NVidia proprietary driver

I am facing power issues on my HP Pavilion 15 - p073tx laptop running on Ubuntu 14.04LTS. The battery drains much faster as compared to when I run Windows(I have a dual boot). One solution I found is ...
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15 views

battery not recognized after installing ubuntu

Completely new to ubuntu. First question. After installing ubuntu, my battery is not recognized, and thus does not charge. The AC adapter is newly replaced and the battery is newly replaced. Not ...
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0answers
12 views

Ideapad 100s - can I change the battery info?

The battery info on the lenovo ideapad 100s is seriously messed up. Upower returns this: upower -i $(upower -e) native-path: BMBT vendor: SUNWODA model: ...
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0answers
5 views

Screen flickering when battery low in Kubuntu 16.04

some days ago I tried to install nVidia drivers but nothing came up, so I reverted (or I guess so) to the "original" situation. Everything works fine (actually I don't neet my card, integrated ...
5
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1answer
48 views

Are there any power consumption indicators?

I would love to see how much power my notebook is consuming all the time. Therefore I want an indicator that constantly (interval of 1 second maybe) monitors the current power consumption (measured ...
0
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1answer
24 views

battery from laptop does only work when power cord is plugged in

I'm using a Asus laptop, about three years old and since I Switched to Ubuntu (16.04) it shows that the battery is fully charched, but when I disconnect the power cord, the laptop turns off. I can't ...
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0answers
50 views

Ubuntu 16.04 LTS - Poor battery life on Intel HD Graphic

I just switched from Windows 10 to Ubuntu 16.04 LTS and I am quite satisfied with it after installing and configuring Gnome Shell. However, like everyone, I encounter a significant drop in terms of ...
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0answers
11 views

Battery not charging in Dell Inspiron N5010

I recently purchased a new battery for my system. The battery is not charging though. Initially I thought that there is an issue with the battery. So I exchanged it to buy a new one but the problem ...
0
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1answer
66 views

[16.04]Laptop behaves awkwardly when I'm running ubuntu

This may seem strange. But last month I bought a new laptop from HP and I installed Ubuntu 16.04 along side windows 10. From a month now, I'm observing quite unnecessary things going on and a bit ...
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2answers
71 views

Which Ubuntu flavor? [closed]

I have a HP 255 G3 (specs can be found here) And I can't decide what Ubuntu flavor to install into it, vanilla, Gnome or Lubuntu, because I don't know the core differences in them. (The DE differences ...
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0answers
23 views

Battery Use Grouped By Application

Is there a way (other than powertop) I can see how much of my laptop battery's charge was used for each application over the current discharge cycle similar to how Android Marshmallow does?
2
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1answer
51 views

Cant boot Ubuntu 16.04 after removing laptop battery

I had to remove my laptop battery as it was bloated and seemed to be a bit of a safety issue. Since removing it I cant boot Ubuntu 16.04 any longer. I still get into Grub and can boot my Windows 10, ...
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0answers
7 views

How to resume Ubuntu's last session after battery ends completely?

On my 14.04, I can only choose "Power off" at "When power is critically low" at Power tabe on System Settings. The option "Hibernate" is grayed. I would like to retrieve all programs at the point the ...
0
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1answer
39 views

“ Battery full ” notification for 16.04

Is there any software which can alert me when battery is 100 % ? I do not want to keep charging further causing battery damage. I use 16.04 LTS.
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0answers
13 views

Power issue in Ubuntu 14.04

I am running Ubuntu 14.04 on my laptop. After recent system updates, I encountered a problem with my battery. My laptop battery from 40% directly start showing 2% and after that laptop hibernates ...
2
votes
1answer
215 views

Ubuntu 16.04 (Mate) - Draining Battery when powered OFF?

I have a fresh installation of the lastest Ubuntu 16.04 MATE on my new Laptop with all the latest Firmware / BIOS installed. For some reason the battery gets drained while the machine is powered off (...
0
votes
1answer
21 views

Sleep on unplugging with lid closed

I want the machine to stay on when I close the lid when plugged in (keep things running overnight, etc.), so I have it set that way, but if I then unplug it with the lid down, it seems the power ...
0
votes
1answer
34 views

Ubuntu 14.04 brightness issue

I have a Samsung laptop although I don't think this is relevant to the issue. If I boot my laptop on AC power, all brightness functions work properly even if I subsequently remove it from the power. ...
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1answer
55 views

Dell Power Managerment Drivers for Ubuntu 16.04

On Windows, Dell Power Management drivers are available for laptops for maximizing the health of battery. Due to drivers on Windows, Desktop Mode and Logetivity mode are available for maximizing ...
0
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1answer
32 views

With 16.04 my machine shuts down then restarts when battery level is critically low

I thought I had set my machine such that it would shutdown when the power was critically low on battery. In org.gnome.settings-daemon.plugins.power, I have set use-time-for-policy to false (i.e. no ...
0
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0answers
35 views

Card reader draining battery in Dell laptop?

I just bought a brand new Dell laptop and installed Ubuntu 16.04 on it. The battery started acting strange, i.e.: draining rapidly, and at times the system will shut down (when unplugged) even if ...
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0answers
42 views

Does Ubuntu Touch offer APIs for battery, installed apps enumeration, WiFi and cellular info, OS info, confinement info, etc?

I'm in the progress of porting my existing 'droid app as a native Ubuntu Touch QML + QT5 C++ app. I've tried to find a native Ubuntu Touch or QT5 API for the following goals, but without a luck so far....
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0answers
61 views

Battery icon is fuzzy in Ubuntu 16.04 LTS 64-bit Gnome

My battery icon is fuzzy in Ubuntu 16.04 LTS 64-bit Gnome 3, but at the same time, if I click it, it can present battery life in percentages. So what would be the problem with it?
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1answer
48 views

Ubuntu ultrabook

I have a question considering ubuntu & ultrabooks. The problem is, a need a new computer. I'm looking for an ultrabook-like laptop which runs with long battery life (even under ubuntu) but I don't ...
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0answers
48 views

Battery capacity below 100% in Dell laptop and battery misbehaving

I just bought a Dell Inspiron 15 5000 laptop with a AMD A10-8700P CPU. I removed Windows 10 and installed Ubuntu 16.04. When plugged in, at random times, the battery icon will appear showing that the ...
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0answers
20 views

suspend ubuntu on low battery but shuts down

I've already experienced this a couple of times but I am unsure if it's because I'm on low battery: I would close my laptop's lid when the battery is low and as a result, it enters into suspend mode. ...
5
votes
3answers
126 views

Update brightness level depending on the power source on 16.04 LTS

I recently migrated to 64 Bit 16.04 LTS from 32 Bit 14.04 LTS on my Toshiba L645 laptop. In 14.04 LTS system, I had a script that automatically updated the brightness level depending on the power ...
0
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0answers
69 views

(noob) Ububntu 16.04: Gnome makes battery life (a lot) shorter than Unity ? (xps 15 9550)

I'm really new to the Linux world. After a LOT of complications about setting up a dual boot win10/ubuntu, I've decided to use only Ubuntu 16.04 GNOME (for now). I've tried Ubuntu 16.04 too but I ...
0
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0answers
50 views

lenovo ideapad z510 the battery is plugged in but not charging

my laptop is lenovo ideapad z510 the battery is not charging never also when It is plugged into electricity , sometimes it is Extinguished without any introductions and the light is red always
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0answers
71 views

Ubuntu 16.04 Battery Drains to 50% in shutdown in 5-6 hours [HP pavilion Gaming Notebook]

I have a dual boot system with windows 10. I use ubuntu most of the time and in the night when i shut it down with 90%-95% battery. Next morning when i open up the laptop, the battery is drained to ...
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0answers
93 views

Ubuntu 16.04 saying battery discharging even after plugged in charger

I have plugged in charger and run following command: cat /sys/class/power_supply/BAT0/status It says discharging in both cases plugged in or plugged out. Even battery icon indicator is not changing ...
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1answer
78 views

Ubuntu 14.04 battery status unknown or 0%

I am using Ubuntu 14.04. Today all of a sudden when i turned on my laptop the battery was critically low and it logged off but i remember charging it to 100% the night before. When i logged on this is ...
2
votes
1answer
63 views

No “ Low Battery ” warning in Cinnamon Desktop

I am using Cinnamon desktop over 14.04. The problem is, I do not get " low battery " warning while in Cinnamon. I also have Gnome Desktop which gives the warning without any problem. Some time back, ...
0
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1answer
253 views

Ubuntu 16.04 and [AMD/ATI] Thames [Radeon HD 7550M/7570M/7650M] fan active most of the time

My notebook has Ubuntu 16.04 installed. But the fans are active most of the time. This reduces the time it can run on battery. This is unlike when I used Ubuntu 15.10. When you run the command: ...
1
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1answer
112 views

[TLP]-error: “tp-smapi = inactive (kernel module 'tp_smapi' not installed)” on thinkpad t460s

when I ask tlp for my battery status via sudo tlp stat -b I get the following status: +++ ThinkPad Extended Battery Functions tp-smapi = inactive (kernel module 'tp_smapi' not installed) tpacpi-...
2
votes
1answer
50 views

Programs battery consumption in Ubuntu Desktop

Is there a way to know which program consume how much battery (like the following screenshot shows for Android) in Ubuntu Desktop? It is a command line program or with a graphical interface that's ...
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0answers
74 views

Insanely high battery discharge rate while charging

Having a strange issue with my battery meter in Ubuntu 16.04. I had the same issue in Debian, so it's possibly an issue with the battery itself, but let's see what you think. These are screenshots ...
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0answers
28 views

Battery icon is disappearing and appearing on and on

Battery icon over bar is disappearing and coming back in 2 seconds repeatedly. Tried sudo apt-get purge indicator-power sudo apt-get install indicator-power Yet, it did not work out. Any ...
5
votes
2answers
112 views

Dell E6520 wont boot ubuntu unless plugged in on AC power

I've got a problem booting. Ubuntu 16.04 on my Dell E6520 laptop boots normally when plugged in. However, when booting on battery power it shuts down entirely. Sometimes it makes it as far as the ...
0
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0answers
17 views

acer leptop not charging until reboot, and some bluetooth errors when booting

I have brand new acer aspire e15, I had installed win 10pro and now I reinstalled to ubuntu to learn it, I had some problems when installing from uefi mode and then I changed to legacy mode to intall ...
1
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1answer
71 views

Samsung Battery Life Extender - limit battery charging to 80% under Ubuntu

Some of you may have used Easy Settings app that's provided by Samsung for Windows OS. Similar Samsung's tool for Linux OS distributions isn't available. I missed Battery Life Extender function the ...
0
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2answers
97 views

overheating of GPU(Nvidia gefore 920m) and degraded battery life

i have dell inspiron-5558(i5-5200;8GB DRR3 RAM;4GB Nvidia-Geforce 920M as well intel HD graphics) and i am using Ubuntu 16.04LT in my windows i had a battery life of around 4-5 hours reading pdf but ...
0
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0answers
48 views

Ubuntu hibernate shows battery critical/low when wake up and shutdown instantly

I'm using Ubuntu 16.04. I have an issue on hibernate. It would always show battery critical low on wake up, even if my battery is full and will be shut down in short. After I switched on my laptop ...
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1answer
84 views

Battery information is wrong

I have replaced the battery in my laptop with a lower capacity battery than what was previously inserted. Ubuntu hasn't calibrated the battery metering system, and so the statistics & percentages ...
0
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1answer
142 views

Ubuntu drains battery very fast on 16.04

I have Dell XPS L502X I have installed SSD of kingstone 120 gb After that i have i have installed ubutu 16.04 and my battery drain very fast at 100% charging work 1 hour and 13 minutes while in ...
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0answers
13 views

USB won't show up after forcefully removing battery

I've got version 14.04. I burned a windows iso file on my usb because I wanted install it as a dual boot. I had my usb plugged in and wanted to skype before I did the boot. While skype was opening my ...
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0answers
37 views

Dell Quickset application

Is there any way to install or unlock some features of Dell Quickset application in Ubuntu? I'm very new to using Ubuntu and Linux, but within Dell Quickset there's a option do disable Dell ...
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0answers
24 views

Ubuntu detects two batteries when I only have one. How can I remove the other one?

My laptop battery isn't detected by ubuntu, when I boot up my battery in the power indicator shows 100% charge no matter what. I can get it detected by applying a work around found here, but once I ...
0
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1answer
226 views

Kernel build 4.4.0.22 decreases battery life (16.04 LTS)

My battery life was fine when I installed 16.04 LTS (clean install) on my Lenovo z51-70, but after a regular software update or build to kernel, from 4.4.0.21 to 4.4.0.22, it has almost halved (1.50 ...