Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [battery]

Questions about battery usage and issues in Ubuntu.

1
vote
0answers
4 views

Brightness only goes to maximum when having booted with the power cable plugged in (Ubuntu 16.04; Samsung NP470R5E)

When my Samsung NP470R5E Laptop is booted when the power cable is plugged in, the screen brightness starts out at the maximum. This behavior continues when I unplug the power cable and run it on ...
1
vote
0answers
18 views

16.04 horrible battery life all of a sudden

I've been using ubuntu for the last month or so on my laptop and it's been working fine, up until last week. I am using a Dell XPS 15 9570 Nothing has changed except I followed this guide https://...
0
votes
0answers
6 views

CPU Scaling governor on tlp

I'm configuring tlp on Ubuntu, and I'm wondering if "powersave" governor will affect my device and not reducing the performance speed. If it's reducing the performance is it possible to have the ...
0
votes
0answers
25 views

My laptop is getting very hot

I am using ubuntu 16.04, my laptop gets heated and the fans does not stop and the battery drains fast, i'm working on a brand new Lenovo ideapad 320-15ikb I7 8550u mx150. Solutions ?
2
votes
1answer
53 views

Set different blank screen timeouts when on battery or ac

is it possible to set different blank screen timeouts in Ubuntu 18.04 with Gnome when on battery or ac? The power settings menu provides only one field which is applied always, no matter of the ...
0
votes
0answers
23 views

My hardware is not working properly on Ubuntu live USB

I am brand new to Ubuntu. I have tried out the live version on a USB stick, and I love it, but I have no sound at all, and my trackpad intermittently fails. It also doesn't seem to release that it ...
0
votes
0answers
27 views

Windows Vs Ubuntu 18.04.1LTS: in T470 and XPS 15: More battery usage. High usage CPU/TLP is not solve problem? Same issue with Mint vs Win10?

I installed Ubuntu 18.04.1 LTS dual boot on windows 10 Enterprise than I like it but I decide to uninstall it. Because with out doing any thing I got high CPU GPU usage and battery life than in ...
1
vote
0answers
28 views

How can I disable automatic screen dimming when the wireless mouse has low battery?

Similarly to this question, I find that when a wireless mouse with low battery is plugged into a laptop running Ubuntu 18.04 on battery power, the screen automatically dims after 15 seconds of ...
4
votes
0answers
53 views

Sleep mode drains battery very fast

Battery drains in about 10 hours when the computer is asleep with Ubuntu 18.04, it is a lenovo y520 (7700hq, 1060 with bumblebee). When I tested no USB devices were plugged in, actually nothing was ...
4
votes
1answer
79 views

How to disable “Mouse battery low” notification in Ubuntu 18.04?

Notification blocks for example tabs from browser and is very annoying overall. Mouse works fine and will most likely continue working over a month, and battery is really simple to swap. Therefore ...
3
votes
1answer
88 views

Poor battery life and performance due to incorrect CPU frequency scaling

lscpu shows a minimum CPU speed of 1600MHz, rather than 400MHz as the actual minimum. This is absolutely killing my battery life (I get about 2-3 hours rather than the 8-10 I get under Windows on the ...
1
vote
1answer
25 views

My ubuntu shuts down when not connected to charge without giving any warning despite having more than 50% charge

I have an HP notebook which I had dual booted with Ubuntu 16.04 Initially, the laptop worked well for 4-5 months without any problem but since the past 1 month it automatically shuts down when not ...
0
votes
0answers
20 views

Battery status not shown properly

Recently I upgraded from 16.04 to 18.04 and really happy with it. Wanted to decrease the brightness when running on battery and increase the same when connected to an external power supply. So, I ...
1
vote
0answers
18 views

Ubuntu Mate battery charge indicator disappears after reboot

I've installed Ubuntu, installed Mate on it, customized placement of panels. Now every time I reboot, the battery indicator icon isn't shown on the panel until I right-click it, choose "Add to Panel.....
0
votes
0answers
30 views

Battery capacity wrong percentage

I was investigating the battery life of my laptop. In this context I ran the following code upower -i $(upower -e | grep 'BAT') which gave me: native-path: BAT0 vendor: ...
3
votes
0answers
15 views

How do I manage when to use external battery in a dual-battery laptop?

I have a Lenovo X270 laptop which has two batteries; one internal and one external. I tried installing Ubuntu 18 and the first battery was being drained to 0% and then the external battery was being ...
1
vote
0answers
8 views

Laptop shut off randomly and wont turn back on

As the title says I have a laptop that has been working perfectly fine. Today I was watching a youtube video and the laptop suddenly turned off (I was at around 75% battery) and now it wont turn back ...
0
votes
1answer
21 views

Does having a jpg for a desktop background decrease battery time to 'fully discharged'?

I thought I had read that having a desktop background as a jpg from the pictures folder made no difference to power consumption compared to running the standard Ubuntu background. However a few short ...
0
votes
0answers
16 views

Wireless Card Consuming 15W Ubuntu 16.04

The battery life on my laptop is extremely poor. I have run powertop to understand what is consuming the most power. The base power consumption is given as 25W, where 15W-16W of this is apparently ...
0
votes
0answers
26 views

Showing “No batteries available” on kubuntu 18.04 in Lenovo G450 laptop

I installed kubuntu 18.04 on my Lenovo G450 laptop. But in the system tray when i am hovering my mouse pointer on the battery icon it's showing that "No Batteries Available". How to resolve this ...
0
votes
0answers
17 views

Led power blinking in suspend mode Ubuntu 18.04

I have a Samsung NP300E4A laptop. I've always used Windows and ocassionally Ubuntu as secondary OS. A few days ago I've migrated completelly to Ubuntu 18.04. When working on Win and finished my day I ...
0
votes
0answers
28 views

Disable driver-less fingerprint reader?

Currently running ubuntu 18.04.1, I have a laptop with a unsupported fingerprint reader: lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 1c7a:0570 ...
1
vote
0answers
16 views

Enable show-battery-percentage systemwide

How can I enable the battery percentage for my entire system? gsettings set org.gnome.desktop.interface show-battery-percentage true Only works for one profile at a time. I checked on /usr/share/...
0
votes
0answers
25 views

Battery is recognized but computer doesn't run on battery ! (kubuntu)

I recently switched from ubuntu to kubuntu 18.04 (kde plasma 5) on my laptop. Since then, the battery is stuck at around 67% (not matter for how long is charged). The main problem is that the laptop ...
1
vote
0answers
43 views

CPU frequency and temperature management on Ubuntu

Compared to commercial operating systems like Windows and OS X, how advanced is the CPU frequency manager in Ubuntu (or Linux in general)? Could I expect better performance, i.e. higher sustainable ...
0
votes
0answers
33 views

Showing left battery percentage on command line on ubuntu 18.04?

There is a way to show current battery information? Such as percentage? I tried below code as with Ubuntu 16.04 LTS. But not working. upower -i /org/freedesktop/UPower/devices/battery_BAT0u Edit ...
2
votes
1answer
45 views

16.04 kernel Update breaks power saving - how to fix?

I used to have 7-9 hours of battery life on my system running 16.04LTS. But, recently, I noticed battery life halving to around 4.5 hours. It seems this has been going on since around May '18. ...
1
vote
0answers
61 views

How to show battery status in figures in 18.04?

I have just upgraded from 16.04 to 18.04.1 LTS.In 16.04 I could see the battery icon on the screen with time till flat and percentage charge showing as hours/minutes and a percentage in the top bar. ...
0
votes
0answers
34 views

(K)ubuntu inconsistent battery life, 1h 40 mins, tlp doesn't help, newest nvidia driver [duplicate]

I use Kubuntu 18.04 no dual boot. Nvidia driver 390 My battery life according to the battery icon is 10h, one 1min later it says 1h 40mins (fully charged). Before I installed Linux on Windows 10 ...
0
votes
0answers
39 views

Ubuntu 18.04 Battery Icon not showing - HP Spectre x360

I have a dual booting system with Windows 10 Home and Ubuntu 18.04 LTS on an HP Spectre x360. When on Ubuntu, the battery icon does not show up. When trying to troubleshoot, I used the command ...
0
votes
0answers
26 views

Two laptops with 0% battery charge issue, both 16.04

(Not sure if this is in the right place, Mods please move if appropriate) A few days ago a laptop refused to charge, it will only work when connected to ac supply. It shows 0% charge and 0.00h to ...
0
votes
0answers
42 views

Ubuntu 18.04 on Thinkpad P50 - high battery usage

I have new a Thinkpad P50 machine with 32GB of memory. The battery life in the same system with Ubuntu 14.04 and 16.04 life seems reasonable. The problem started with the upgrade to Ubuntu 18.04. I ...
0
votes
0answers
40 views

18.04 battery charge indicator doesn't reflect state of charge

I recently upgraded to 18.04 from 17.10. The system tray icon (I happen to prefer xfce4 instead of whatever the default GUI user interface is) no longer seems to display the relative state of charge. ...
0
votes
0answers
35 views

Ubuntu 18.04 laptop fan working non stop draining battery [duplicate]

I have a Lenovo-ideapad-500S-14ISK laptop(intel skylake i5-6200u CPU). recently upgraded to Ubuntu 18.04 from then i'm noticing the laptop fan is always on even-though there is no load. on the last OS ...
0
votes
1answer
32 views

Laptop always indicates it is charging

I am running Ubuntu 18.04 on a XPS 13 9350 (0704). The laptop always indicates that it is charging even when it is unplugged. How do I address this? For those familiar with the LED display on the ...
0
votes
0answers
103 views

Laptop does not wake up after closing lid Ubuntu 18.04

I just purchased Lenovo X1 Carbon 6th Gen, and Ubuntu 18.04 doesn't seem to be so compatible with its hardware. I frequently run into the issue of my laptop draining its battery while its lid is ...
1
vote
1answer
151 views

Battery not showing up 18.04 LTS

I recently dual booted my Acer Espire E5-573G using Windows 10 and Ubuntu 18.04. Upon booting up I saw that there was no battery icon. When I did upower-dits shows this.
0
votes
0answers
115 views

Battery and hibernation problem on lenovo laptop

I'm totally new to this world of yours, so I hope you'll be merciful enough and you're not about to scream. First of all - I've done something really stupid. My operation system was licensed windows ...
1
vote
0answers
32 views

Ubuntu dual boot can't restart without battery charger but can boot

I just bought a new laptop Lenovo legion Y520 with pre-installed Windows 10 on SSD. I installed Ubuntu 16.04.04 LTS on HDD. I can do dual boot successfully by switching Intel RST (for Windows) to ...
0
votes
1answer
243 views

Fresh Ubuntu 18.04 Overheating and Battery Problem

I bought a new laptop : HP Pavilion 15 CB001NT. Specifications : i7 7700hq - 16 gb ram - gtx 1050 - 1 tb hdd & 256 gb ssd I installed Ubuntu 18.04 along side Windows 10 (SSD). Also I installed ...
2
votes
0answers
107 views

Thinkpad battery not charging when AC adaptor connected

Bought a refurb Lenovo t540p which I ordered with no drive so I could install Ubuntu on to it straight away and use a drive that I have laying around. Turns out I'm having the problem where the ...
2
votes
0answers
270 views

After installing ubuntu 18.04 LTS my battery drains

I am having a problem with my Dell laptop, in that after installing Ubuntu 18.04LTS (from windows 8), my battery drains very fast, without doing anything heavy. When I had Windows I could use my ...
1
vote
0answers
35 views

Ubuntu shutting down arbitrarily when charger not connected despite sufficient battery

Ubuntu 18.04 arbitrarily turns off when charger is not connected to my Asus UX305 ZenBook Laptop, even though there's a good charge on the battery. Also, Ubuntu does not wake even on pressing the ...
0
votes
0answers
56 views

“No batteries available” Kubuntu 18.04 - Acer Aspire E 15 (E5-573T)

I just made a fresh install of Kubuntu 18.04 (64 bits) on my Acer Aspire E 15 (E5-573T-POVK), but the battery isn't detected. The indicator shows "No batteries available", and upower --dump gives ...
1
vote
1answer
189 views

How can I stop charging my battery at 60%?

I have Asus Zenbook UX430UN and in windows it have some kind of battery health management program. And this program propose option called "Maximum Life-span" the idea is to hold battery on +- 60% of ...
2
votes
0answers
197 views

Ubuntu 18.04 - Show Bluetooth connected device battery status

I am using Ubuntu 18.04 with the latest update. Can you tell me how can I find or get Bluetooth speaker battery level.? As like If I connect the speaker to the iPhone it shows a connected device with ...
0
votes
0answers
55 views

How to update battery information in Ubuntu 16.04?

I am trying to get information about my battery status using the following command from this answer. upower -i /org/freedesktop/UPower/devices/battery_BAT0 But I am not getting any information about ...
0
votes
0answers
96 views

USB-C charging issues - ASUS Q325UA

Linux 4.15.0-23-generic x86_64 Ubuntu 18.04 LTS Charging works... but certain conditions leads to difficulty getting it registered as plugged in to charge. I think I narrowed it down to one ...
1
vote
2answers
274 views

Will the fast battery drain on Ubuntu damage my battery? [closed]

The battery life of Ubuntu is horrible compared to windows, 1 hour vs 5 hours. I am sure it is because the Nvidia drivers and the hardware running full speed all the time (yes, I know you can switch ...
0
votes
1answer
63 views

Excessive power consumption in suspend mode

When I put my laptop into suspend mode it consumes around half of the battery in around 8 hours. This is pretty higher when comparing the previous versions of Xubuntu that I've used. Any idea how to ...