Questions tagged [battery]
Questions about battery usage and issues in Ubuntu.
1,624
questions
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How to reopen all programs after a powerdown because of low battery
For a week I've now started using Ubuntu on my laptop as my main OS for work. Sometimes my laptop battery is finished, so it get's powered off. I'm not sure whether it does so in a somewhat graceful ...
0
votes
0
answers
424
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How does ubuntu charge the batteries in a laptop if there are two of them?
I am total beginner, I just switched to Ubuntu 17.10, so I do not really understand it.
I was fiddling around when I noticed that, when I plug in the power cable, both of my batteries in my lenovo ...
0
votes
1
answer
72
views
Weird behavior of battery level and notebook performance
I have two strange behaviors.
I'm running a CPU and GPU intensive robotics task on my notebook on battery. Sometimes the battery lasts for more than 30 minutes, but sometimes the battery level ...
0
votes
1
answer
241
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Automatic suspend gets triggered too early when running on battery
I'm currently using Ubuntu 17.10 (artful) with the Gnome window maanger.
Power options are currently configured as:
Suspend & Power Button > Automatic suspend
When on battery power: ON
Delay: ...
1
vote
1
answer
2k
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How do I get the stamina/speed switch working on my laptop?
This Sony Vaio PCG-41217N has a toggle switch between 'stamina' and 'speed', but I do not notice any difference in Ubuntu 16.04. How do I get it working?
There is a Windows 7 sticker on this device, ...
1
vote
0
answers
728
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Fan noise and decresed Battary Lifetime after Ubuntu install
I have a fresh Ubuntu 17.10.1 installation on my Lenovo Thinkpad e470 with the following specs:
CPU i7 7500U with Intel® HD Graphics 620
GPU Nvidia Geforce 940MX
16GB Ram and 256GB SSD
The OS is ...
0
votes
0
answers
93
views
Battery showing empty after replacement
I have a Razer Blade and my battery kind of went kaput so I bought a new one from ebay and replaced it. Before my laptop would just randomly shut off anywhere from 5-15 minutes after turning it on ...
1
vote
2
answers
45
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How to shut down my pc like it does when it is running out of battery?
How do I put my pc (ubuntu 16.04) in the same state as when in automatically tuns off when the battery level is too low (without letting it die of course).
It is interesting for me because open apps ...
1
vote
0
answers
117
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Unable to use integrated graphics
I have a laptop with an i5 7300HQ and a GTX 1050Ti. My Nvidia GPU works fine. But if I select the Intel GPU in the Nvidia settings to save some power I am unable to login or start my laptop up.
When I ...
0
votes
1
answer
626
views
Error message during boot after installing tlp
I installed Ubuntu 16.04 via linuxium in my Lenovo Ideapad 100s, then wiped out Ubuntu Desktop and installed Ubuntu Server using tasksel. And after installing tlp, I get the messages
...
0
votes
1
answer
6k
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Sony MDR-XB650BT wireless headphones not charging
I recently bought Sony MDR-XB650BT wireless headphones which can only be charged via USB cable connected to a computer. I haven't checked it in advance because I did not think that this can matter, ...
1
vote
1
answer
3k
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Fujitsu Battery Issue: Battery not charging when it is above 90%
My laptop battery is not charging when the battery level is above 90%.
When it is below 90, say 89, then it can charge up to 100%. But again when there is some loss in battery charge, say 97, it does ...
1
vote
0
answers
69
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Ubuntu 17.04 doesnt suspend automatically at critical level
My system does not hibernate or suspend automatically when asked to in dconf configuration files. I have tried some workarounds and I eventually found a script that used to work however with a new ...
3
votes
1
answer
3k
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Logitech Performance MX mouse shows as "unknown" in Power Statistics
My Logitech Unifying Receiver with wireless K800 illuminated keyboard and wireless Performance MX mouse work flawlessly in both Windows and Linux out of the box. In Windows you can install optional ...
2
votes
1
answer
399
views
How can I get the power indicator to show battery percentage based on the maximum capacity?
This morning, I took my 2011 MBP running Ubuntu 16.04 off the charger. As you know, macbook chargers have a small LED on them, which is either orange or green, depending on the current battery status. ...
7
votes
3
answers
10k
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"No Batteries Available" in KDE battery widget
I have installed Kubuntu 17.10 on my Chromebook via crouton. The problem I'm having is that my battery doesn't show in the battery widget, I haven't had this problem with GNOME, Xfce, or Unity. I'm ...
0
votes
1
answer
560
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Ubuntu 16.04 'Suspend when inactive for...' and 'Turn screen off when inactive for...' doesn't work when on battery power
Ubuntu 16.04 Suspend when inactive for... and Turn screen off when inactive for... doesn't work when system is on battery power.
Both of these work when plugged in and I can manually suspend (...
1
vote
0
answers
575
views
Correct kernel parameters - Asus GL553VE dual boot
I am trying to dual boot with Windows 10 on a SSD and Ubuntu 17.10 on a Hard Drive (both UEFI) on a Asus Rog Strix GL553VE.
To be able to boot up on Ubuntu I had to add acpi=off as a kernel parameter....
2
votes
3
answers
820
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Is my new battery really new and matching my laptop? [closed]
I bought a new laptop battery for my aging Thinkpad T400 laptop from ebay.
On Ubuntu 16.04, I open power manager which gives me the following information:
Model 92P1137
Technology Lithium ion
...
114
votes
7
answers
26k
views
Disable "Mouse battery low" spam notification
Countless times over the past few weeks I have been notified about the low battery in my wireless mouse. Every time it wakes up from sleeping mode and reconnects over Bluetooth I get a notification. I ...
1
vote
0
answers
491
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Laptop shuts down at 40%-50% only on Ubuntu
I bought my laptop one year ago, I installed Windows 10 and it was great. The battery lasted 3 hours before I had to charge it again. But recently I installed Ubuntu and now it barely lasts 1 hour. ...
1
vote
0
answers
84
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Get an imediate UPS responce from APC ups
I have an APC UPS with my Ubuntu system and I have it configured with apcupsd. The UPS works fine but when the power goes out, it takes a while for the system to alert me of a outage or to properly ...
4
votes
1
answer
1k
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How can I configure Ubuntu with GNOME 3 to dim screen when charger is unplugged?
I just installed Ubuntu 17.10 (with GNOME 3) on my new HP laptop, and I noticed that the screen does not dim when the charger is unplugged.
Is there a way to set up two brightness profiles, one for ...
0
votes
0
answers
50
views
Power source temporarily disconnecting + web forum submission freezes computer
My Sanyo DELL NT3627 battery has a current charge of 3%, says 'Charging' but does not increase, and periodically the laptop behaves as if the power source has been disconnected.
Usually, I can ...
11
votes
3
answers
47k
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Lenovo X1 Thinkpad battery not charging in 17.04
I have a 8 month old Lenovo X1 Carbon (5th generation) which was originally running 16.04LTS.
When I upgraded to 17.04 I noticed the battery is no longer charging. When the AC is plugged in battery ...
2
votes
0
answers
95
views
Xfc4 Power Manager shuts down when battery is being unplugged
I have Lubuntu 17.10 on my Acer netbook. When I unplug my battery then the system tray icon disappears. Turns out that Xfc4 Power Manager is shutting down when I unplug my battery. And when I plug it ...
1
vote
2
answers
2k
views
Wlan drains all the battery too fast on Ubuntu 16.04
I have an Asus N55SL laptop on which the battery can run almost 4h on Windows 7.
Until last week, I had 2h50-3h of battery autonomy with Ubuntu 16.04 and Linux 4.13. Something happened (updates or ...
0
votes
1
answer
2k
views
TLP Full Charge
"Charge Full" and "Charge Full Design" show different values. Are they supposed to? It's a Dell Inspiron 7378, barely two months old. Also, tlp has a flag: tlp fullcharge. Will that push my charge ...
0
votes
0
answers
42
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What is the difference between Unity and Gnome versions? [duplicate]
I want to install my first Ubuntu version on my laptop, but I have a big question about that.
I am looking for the 16.04 LTS but I see there is different versions of Ubuntu Desktops (Unity, Gnome, ...
1
vote
1
answer
1k
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How to disable battery-indicator on Ubuntu 17.10? (GNOME's alternative of 'indicator-power')
I want to disable the battery-indicator alerts on Ubuntu 17.10. On earlier (Unity) distros that'd be done by running sudo apt-get remove indicator-power
What indicator does GNOME use?
(My battery ...
2
votes
0
answers
1k
views
On a hybrid laptop, which will save more battery, Nouveau or Nvidia driver?
On a hybrid laptop with on-board Intel graphics and a dedicated Nvidia graphics chip, which setup will use less battery power?
Nouveau opensource driver:
I believe this only uses the onboard Intel ...
8
votes
7
answers
9k
views
Battery drains down even after shut down
I am using ubuntu 16.04 on my HP 15 ab522tx laptop.Even after I shut down my pc after few hours I find it discharged completely .Also,battery is quite new and was performing better in previous OS(...
2
votes
0
answers
59
views
Laptop powers off when switching between batteries
I've got a laptop with two built-in batteries. Generally, Ubuntu 16.04 handles them well; I see a battery life-left indicator in the status bar that tells me how much is left over the two of them. For ...
1
vote
0
answers
288
views
17.10 Integrated webcam draining battery?
My autonomy recently dropped to almost 1/3rd of what it used to be. Opening Powertop I see this:
I never used the integrated webcam. Disabling it with modprobe -r uvcvideo does not work.
How do I ...
5
votes
2
answers
382
views
read-only filesystem, no X11 when booting lubuntu 17.10 from battery
I upgraded my "acer aspire e13" laptop to lubuntu 17.10 (from 16.04, via 17.04) a few days ago and experience the following:
when booting with power cable plugged in, everything works.
whithout power ...
1
vote
0
answers
362
views
Laptop battery constantly showing as discharging after upgrading to 17.10
I upgraded to 17.10 and realised that the orange (AC power) light on my Acer Aspire v17 was not on when plugged in. Instead there were two blue lights as though is was unplugged. I monitored this ...
2
votes
3
answers
2k
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How to allow unattended-upgrades to start even running on battery?
By default, unattended-upgrades is trigger by anacron and it only start when running on AC power, and don’t start when running on battery. This beviavor is easy to understand to avoid waste power. ...
1
vote
3
answers
938
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Prevent USB device from power drainage
The battery life on my Acer Aspire E15 E5-575 has gotten seriously bad lately. Using powertop, I've noticed that there seems to be some sort of USB device drawing quite a bit of power.
Power est. ...
0
votes
0
answers
36
views
How can I control ubuntu system startup when certain conditions exist
I have a travel laptop running dual boot (Ubuntu 17.04 desktop and Windows 10 Home). I want to control the startup, such that if the laptop lid is closed and/or no AC power is connected (eg. in a ...
1
vote
0
answers
933
views
Find battery wear in 16.04
My laptop battery started to behave strangely since some days. Without showing low battery, it will from around 30 % go to 6 % ( critical battery ). And, at times, will shutdown even if I turn on the ...
8
votes
0
answers
2k
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Battery charge/discharge cycle
My battery behaves normally until its charge reaches down to 80%. After that, it begins a cycle of charging/discharging with 10s on each state.
Here is some data:
deimos@kami:~$ upower -i /org/...
16
votes
2
answers
3k
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How to prevent shutdown when one of two batteries is empty?
My Lenovo T460s has two batteries. When one of them is empty the laptop does an emergency shutdown which basically makes the 2nd battery obsolete.
I already set org.gnome.settings-daemon.plugins....
1
vote
0
answers
184
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Lenovo T550 TLP - Unable to set Threshold
Does anybody have experience with Ubuntu on a Lenovo T550, using TLP power management? TLP Should allow for battery thresholds to be set on thinkpads, I have set the threshold correctly but it is ...
0
votes
0
answers
55
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Any Windows Device Manager equivalents?
My laptop (asus x511mav) apparently has a non-functional battery as of a few months ago.
I installed Ubuntu on it yesterday because it was my secondary computer but I love Ubuntu and would like to ...
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votes
1
answer
591
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My battery started draining very fast ,but only when I use Ubuntu 16.04 [duplicate]
I am using a Laptop Dell 15 5555.
What can i do.
CPU~Quad core AMD A10-8700P Radeon R6 10 Compute Cores 4C+6G (-MCP-) speed/max~1300/1800 MHz Kernel~4.10.0-33-generic x86_64 Up~4 min Mem~1048.2/...
2
votes
1
answer
2k
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TLP charge thresholds (Non Thinkpad)
Hey guys how are you?
My question about TLP charge thresholds in Ubuntu Linux 17.04.
I have Lenovo Z51-70 in windows it had its utility that stop charging at 60% so the laptop can get energy from ...
0
votes
1
answer
651
views
Battery stopped charging: How to turn off Battery Charging Indicator?
My Laptop (Lenovo Flex 3, Ubuntu 17.04) just stopped charging the battery.
I still powers up with AC adaptor, but doesn't hold the a charge.
The battery indicator has gone crazy.
It keeps flashing "...
1
vote
0
answers
78
views
Lightning bolt on battery disappears after hibernation
This is a small problem (doesn't seriously affect my work) but whenever I return from suspend/hibernate the lightning bolt on the battery icon is gone (the one that indicates it's charging). It is, in ...
0
votes
0
answers
1k
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How to make the battery monitor more accurate?
I've got a Thinkpad T730, purchased refurbed, with new battery, a week ago. I'm running Ubuntu MATE 16.04.3 LTS. I've noted that the battery monitor (in the top panel, by default) gives both a ...
5
votes
1
answer
10k
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How Can I Monitor My Laptop Battery Usage?
My HP-745 G2 laptop is fully charged, I then unplug it and close the lid.
When I next turn it on (a day or two later) by opening the lid the battery is fully drained.
uname -a
Linux HP-745-G2 4.10....