Questions about battery usage and issues in Ubuntu.

learn more… | top users | synonyms

0
votes
0answers
14 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 ...
0
votes
0answers
9 views

Qi-wireless charging on linux? [on hold]

Really sorry if this has been asked before but I couldn't find anything related to this. So, I bought my PC about a one/two years ago and I love it! It has a Qi charging spot and everything. Really ...
1
vote
0answers
27 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....
0
votes
0answers
23 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?
0
votes
1answer
34 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 ...
1
vote
0answers
20 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 ...
0
votes
0answers
18 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
92 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
votes
0answers
47 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
votes
0answers
29 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
1
vote
0answers
49 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 ...
1
vote
0answers
38 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 ...
0
votes
1answer
42 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
53 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
votes
2answers
156 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
vote
1answer
72 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 ...
1
vote
0answers
44 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 ...
0
votes
0answers
26 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
100 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
votes
0answers
15 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
vote
1answer
45 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
votes
1answer
49 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
votes
0answers
31 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 ...
0
votes
1answer
58 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
votes
1answer
94 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 ...
0
votes
0answers
12 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 ...
1
vote
0answers
29 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 ...
3
votes
0answers
22 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
votes
1answer
182 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 ...
0
votes
0answers
38 views

Ubuntu 16.04 Cinnamon DE battery applet broken

Has anyone noticed that the default battery applet in the cinnamon DE from the default Xenial repo will not consistently tell a correct percentage or time remaining? Anyone found a fix for this?
0
votes
0answers
32 views

Bluetooth mouse, randomly stops working when using battery power

While plugged into AC, everything works. But if I disconnect and using my battery, my bluetooth mouse will randomly stop working, work for a bit, then stop again. I've removed/added it, changed the ...
0
votes
0answers
14 views

HP Envy Bluetooth Keyboard Missing Driver?

I'm talking about this bad boy: I think it was charging before when I first installed Ubuntu, but then I went and tested out some other Linux OS's and quickly realised I cannot survive without ...
0
votes
1answer
192 views

Ubuntu 16.04: Graphics card being detected wrongly, battery getting drained

I use an Inspiron 7548 which ships with an AMD Radeon R7 M270 graphics card. However, Ubuntu is detecting it as an R7 M265. LSPCI: 00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -...
0
votes
0answers
47 views

Ubuntu Touch - setting the low battery warning level and behavior?

I had always assumed that if a battery is full, and a smartphone is connected to a charger, then the phone would simply disconnect power from the battery charging circuit once the battery is full, and ...
0
votes
0answers
35 views

Install perf at 4.5.2 kernel

Does perf affect battery life? At 4.5.2 kernel stable in 16.04 LTS the TLP output states: /sys/devices/system/cpu/intel_pstate/min_perf_pct = 18 /sys/devices/system/cpu/intel_pstate/...
1
vote
0answers
32 views

Ubuntu Touch - Phone battery issue

I have the bq Aquaris E5 which I have been usibg now for a month or so. Recently I have noticed that the battery around the 5 - 2% left runs out really fast. The other night I got the warning that ...
2
votes
1answer
73 views

16.04 - Battery not detected until plugged in via AC

I recently upgraded to 16.04, and since then I have been having a problem with my battery being detected. When I turn on the laptop, the battery is not detected until I plug my laptop in with my AC ...
1
vote
3answers
548 views

High CPU Temperature after switch to Ubuntu 16.04

The idle CPU Temp of my Intel i5-3210M CPU was ~40°C on Ubuntu 14.04. Now, after upgrading to Ubuntu 16.04 (complete reinstall) it idles at ~52°C. Battery lifetime is also noticeably lower. What can ...
2
votes
2answers
360 views

Poorer battery life after kernel upgrade: 4.5.2 (16.04 LTS)

When I first installed 16.04 LTS, at kernel 4.4.0, I had a decent battery life of about 3 hours average, but I upgraded to 4.5.2 to solve the suspend problem and some other issues, and now it's less ...
1
vote
0answers
99 views

Battery life severely decreased after upgrade to 16.04

Recently I upgrade from Ubuntu 14.04 to 16.04, and my laptop's battery life has drastically decreased. When I used 14.04 my battery life was roughly 3.5 hours, now it's only about 2 hours. I tried to ...
0
votes
0answers
32 views

Ubuntu 14.04 - Battery charging issues

My problem is that the battery won't charge. In the last few days I've noticed that my PC recognizes that I've put my AC adapter and starts the charging animation in the upper right corner off the ...
1
vote
1answer
45 views

Is battery life affected with dual boot?

I have dual booted my laptop with Windows 10 and Linux. Does this affect battery life? (My laptop has a i5 processor with 2.2 GHZ RAM and 500 GB HD.)
0
votes
0answers
27 views

putting a battery status icon into my stalone

I'm running Trusty-tahr using fvwm, so I don't automatically get access to the battery status icon that's available in the standard ubuntu desktop manager. I'd like to put the standard icon into my ...
0
votes
0answers
208 views

Ubuntu 16.04 battery percentage shutdown not working

I installed Ubuntu 16.04 on my Dell Inspiron and got an issue that my laptop is not shutdown even after battery is critical low and even after percentage action. My dconf setting are as follow: ...
1
vote
1answer
96 views

Battery draining on Ubuntu touch on BQ M10

After playing a youtube video for 90 minutes the battery is 50% drained. Has anybody else watched this on his BQ M10? I am asking because i want to now, if that is a bug or a hardware problem on my ...
3
votes
1answer
33 views

Why does my laptop boot only on battery, but not on charge?

When I boot my laptop while on battery, it boots normally: Toshiba start screen, Intel patch screen, then Ubuntu screen with theatre-marquee dots. But if I try to boot while it is on charge, the ...
0
votes
0answers
247 views

Ubuntu 16.04 poor wifi signal and high battery usage

After installing ubuntu 16.04 I am getting a very weak wifi signal. Currently, I am sitting 3-4 feet away from my router and I have only 2 bars of wifi signal on my HP Envy M6 notebook. I have ...
0
votes
0answers
130 views

PowerTOP issue with fresh 16.04 install on ThinkPad E555

Here's what happened when I tried to set optimum settings after installing PowerTOP: Reading package lists ... Done Dependency tree. Status information can be read .... Done Suggested packages:   ...
1
vote
0answers
301 views

Battery life reduced after upgrade to kernel 4.4.8 (16.04 LTS)

UPDATE: I have elaborated more on the problem in another post. Read it here. EDIT: Upgrading to 4.5.2 stable does the same thing. Is it the AMDGPU using more resources? How can I disable, I care more ...