Questions about battery usage and issues in Ubuntu.

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8
votes
1answer
716 views

How to charge my Ubuntu phone's battery off my Ubuntu laptop's battery?

When I plug my BQ Aquaris Ubuntu phone into my laptop running 14.04.3 LTS and shut down the laptop while the phone is charging the phone keeps charging... Once I unplug the phone however, it doesn't ...
4
votes
1answer
479 views

How do I make the battery indicator always show my laptop battery by default instead of the mouse battery?

Using Ubuntu 14.04. If I plug in my USB wireless Logitech mouse (M185) it will show its battery status instead of the laptop's battery, but only when the laptop is plugged in. The battery level of ...
2
votes
0answers
25 views

How to shutdown peripheral

I was helping someone on the Italian help service investigating a problem of battery draining when the computer is shut down. This problem appears only when shutting down from Lubuntu, not from ...
0
votes
1answer
166 views

Macbook Air overheating on firefox

Just installed Ubuntu 14.04 on my 2014 Macbook air .. when opening up firefox it starts to heat up a little like from 49°c to 55-56°c .. and then when streaming video on youtube it just goes up to 78°...
2
votes
1answer
174 views

how to disable low battery alarm?

i have the low battery alarm disabled in the BIOS settings on my lemur laptop, but the alarm still sounds when the battery is low. The sound is a very loud and annoying beep that repeats every couple ...
1
vote
0answers
34 views

Every time i start ubuntu these type of lines starts running

I have press Esc button every-time to start Ubuntu ... Is this a problem with OS installation ?? Or my laptop is not build for Ubuntu OS ??? Because after installing Ubuntu my touch-pad stopped ...
0
votes
1answer
58 views

Ubuntu goes to sleep, runs out of battery, then completely freezes when waking up

I am running Ubuntu 15.04 (vivid). If any system specs are needed I will try my best to provide these. So, I have the (bad) habit of falling asleep while looking at cartoons. I unplug the power ...
0
votes
2answers
580 views

Does TLP really help increase battery life?

I am using TLP for power management. But I suspect it doesn't really help extend the battery life on my Dell Inspiron 5346 with Ubuntu 14.04, so I ran sudo tlp-stat once with display brightness ...
1
vote
1answer
194 views

unable to change the graphics driver

My laptop doesn't have much battery life. This is usually not a problem while running windows. Now I don't have a windows os, where these problems never cropped up. So I guess this is a graphics card ...
0
votes
0answers
103 views

Laptop sometimes cannot wake up from suspend

I have a Dell Inspiron 3451, running Ubuntu 15.10 x64. If I suspend my laptop and then turn it on immediately after it is suspended, it resumes normally. But if I leave it closed for some time and ...
3
votes
0answers
19 views

How to play sound before suspending laptop?

How do you configure Ubuntu 14.04 to play a short sound just before it suspends? I bought a laptop which I later found had no visible status LEDs when the lid was closed. On past laptops, I've had ...
0
votes
1answer
215 views

How can I restore a disappeared battery tray icon indicator?

My battery tray icon indicator suddenly disappeared: I didn't install or remove any software. I'm using Ubuntu 15.10.
0
votes
1answer
182 views

HP Envy-15 Notebook running Ubuntu 15.10 having discharge related issues

I currently possess a HP Envy-15 notebook with Ubuntu 15.10 Velvet Currently Dual Booting with Windows 8.1 When the battery have a charge of 100% and I turn off the Laptop from Ubuntu the next time I ...
0
votes
1answer
438 views

Ubuntu MATE battery indicator

By default Ubuntu MATE battery indicator shows remaining time and percentage only when you hover on the battery icon.Otherwise it doesn't show any numbers: Is it possible to make it behave like the ...
0
votes
2answers
44 views

Ubuntu shuts down at 55% battery level

For some reason Ubuntu seems to think 55% is 'critically low' and shuts down the computer at that point. In the worst case scenario, it would be a hardware related problem (didn't have this issue in ...
0
votes
1answer
161 views

How to set up charging threshold in ubuntu 14.04

I'm Trying to set up a charging treshold in my laptop Toshiba Satellite. I have tried with TLP but the batery is still at 100% and charging. What I want is that when the AC power supply is connected,...
0
votes
1answer
646 views

How do I set battery charging thresholds

I am new to Ubuntu and I don't speak computerese. I really don't! I have read the various threads on the topic and still can't work it out. I have recently purchased a Lenovo Thinkpad x250 and I ...
0
votes
1answer
44 views

No boot or resume on battery

Ubuntu 15.04, Lenovo G70/70 with Nvivia Geforce, Intel Core i3. The laptop will not boot or resume on battery (100%). For a split second, the leds flicker -that's all. Otherwise, Ubuntu works fine, ...
0
votes
1answer
156 views

Battery drains out in 24 mins (Ubuntu 14.04 on Lenovo Thinkpad x201i)

Hardinfo Extract | Battery -Battery: BAT0- State : charging (load: 186 mA) Capacity : 610 mAh / 5600 mAh (10.89%) Battery Technology : rechargeable (LION) Model Number : ...
-1
votes
1answer
60 views

Poor Battery due to WiFI Intel 7260 Ubuntu 14.04

I am using a Lenovo T440 laptop, which has an Intel Dual Band Wireless-AC 7260 WiFi card. According to PowerTOP, the card is using about 9.5W power while the rest of the system uses less than a fifth ...
0
votes
0answers
44 views

Dependency Power off Failure HELP

Earlier today I fried my battery while in game on ubuntu 15.10. The power just cut. The battery was totaled. The computer acted funny for the rest of the day. Slow start ups, and sometimes to power ...
2
votes
0answers
228 views

Battery Threshold for Lenovo Yoga 3 Pro with Ubuntu 15.10

I have a Lenovo Yoga 3 pro and I installed an Ubuntu 15.10 on it. Unfortunately I fully deleted windows. The battery charging stops at 59%. I've read that you can set battery thresholds for ThinkPad ...
0
votes
0answers
234 views

New battery is stuck at 72%, says it is charging, but unplugging the charger will shutdown the computer

I just bought a battery for my Alienware M14x r2 laptop. It is a 1 x 8 Cell. I plugged it into my laptop, and the percentage automatically showed 72%, and charging. The charging percentage has not ...
0
votes
0answers
96 views

How do i unrestrict battery charge percent on a lenovo running ubuntu?

I recently bought a Lenovo z51, and later used the battery management program that came with it to reduce the max charge to 60%. I have since than installed Ubuntu 14.04 and uninstalled windows. I now ...
1
vote
1answer
295 views

Locate power-hungry USB device seen in powertop

The battery life on my Dell XPS 13, while never great, 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. ...
0
votes
2answers
178 views

How can one force the laptop batteries to charge beyond their recognized limits?

My thinkpad has two batteries delivering approximately 200Wh. However the main battery is aging a little, losing its capacity, or so the battery is telling me. What I wish to accomplish is to "reset"...
0
votes
0answers
91 views

Ubuntu Crashing With New Battery

I recently got a new internal battery for my laptop. Now, when my external battery runs out of power my system suddenly shuts down even though the internal battery is fully charged. If I try to boot ...
1
vote
0answers
95 views

Laptop will not hibernate when battery is critical

My laptop does not hibernate when the battery is critical. I tried the suggestions in several posts with related or similar titles. These included ensuring that pm-hibernate works modifying the ...
0
votes
0answers
40 views

Ubuntu charging percentage

Few days ago I bought Asus x554L notebook and installed 'ubuntu 14.04'. When charging is on the red light in notebook is lighting. When charging percentage is near 70-80% the red light turns to white ...
2
votes
0answers
47 views

Disconnect a laptop charger in software?

Short of the question: Are there any particular mechanisms to temporarily switch the charger input on a laptop on or off in software? In particular I am looking at a Dell Inspiron E1505 in my case. ...
1
vote
0answers
191 views

lspci displays wrong VGA compatible Controller

I have an HP laptop with an AMD A8-7410 with R5 Graphics (AMD Radeon R5 M330 GPU, can't find drivers for that. AMD Catalyst recognizes this but says unknown display). Using Ubuntu 14.04 LTS 64-bit. ...
0
votes
1answer
90 views

Poweroff Issue in Ubuntu 14.10 on Lenovo Z570

I just switched to using ubuntu from windows. I installed Ubuntu 14.04 LTS On my Lenovo z570 laptop and everything works fine except for the issue with the Poweroff. When i shutdown the system, I end ...
0
votes
0answers
29 views

sleep when power off, wake when power on

I have an old laptop and I want to use it as local server Battery is working, and I wonder if it possible to put laptop computer to sleep when power is off and wake it back in when power is on ? ...
0
votes
0answers
116 views

Battery Monitor on Docky

I'm running Ubuntu 15.04 and using docky. But the battery monitor docklet won't show up when I choose add on docky docklets. Someone has any idea ? tks
3
votes
1answer
98 views

Auto-off screen only on battery power

This has been asked many times, but never answered. 14.04 Currently there is a function to automatically switch off the screen after the computer has been idle for x minutes. This setting will ...
2
votes
1answer
127 views

Ubuntu detects ACPI batteries on my desktop computer - thinks it is a laptop

I installed Ubuntu 14.04 on my desktop computer with ASUS m5a97 Evo MoBo. There is this battery indicator on my desktop. I already ran: sudo laptop-detect -v and it returned -> We're a laptop (ACPI ...
5
votes
0answers
175 views

Prevent gnome power manager from showing keyboard battery

My gnome toolbar shows a battery indicator which is always wrong. I recently figured out why; as when clicked it shows both my internal battery status and my keyboard status as two separate items: ...
0
votes
0answers
25 views

Changing Charging Thresholds of Sony Vaio

Is there any way to change the charging thresholds for a Sony Vaio running Ubuntu ?
1
vote
0answers
112 views

Ubuntu 14.04 Battery Icon has fixed value after booting till the next reboot [UPDATED]

I have a dual-booted Ubuntu 14.04 LTS with Win8.1 on a Dell inspiron 14 series 5000 machine. It tire me with alot of bugs starting with wireless instability and showing new ones with each update I ...
0
votes
0answers
147 views

Laptop battery draining too fast. No overheating

I'm using a Dell Inspiron 5520 laptop with a 3 month old battery. I've installed Ubuntu 14.04 LTS version recently and I'm completely new to the Linux world. I've noticed that the battery is draining ...
0
votes
1answer
240 views

Battery Not charging fully on Sony Vaio

I recently purchased a new battery for my Sony Vaio VPCEH25EN running Ubuntu 15.04, and I noticed that it only charges to 40%. When I checked the power statistics I noticed the following - Percentage ...
1
vote
1answer
40 views

Crash battery power Ubuntu 12.04.5

My computer instantly turns off when trying to load ubuntu 12.04.5 on battery power. If I start with the ac plugged in then unplug the comp runs for hours, so the battery is fine. The crash happens ...
0
votes
1answer
177 views

Ubuntu 15.04 on laptop - “When plugged in” setting not enforced after battery is charged to 100%

I got Ubuntu 15.04 running on a Dell 3147. Under Power settings, I have When plugged in set to Don't suspend. It seems that after the battery has reached 100% it no longer honors this setting, instead ...
0
votes
0answers
71 views

Heating laptop and Low Battery (Probook 440 G1)

Currently I'm running Ubuntu 15.4 (x86_64) on my Probook (i7 4702 MQ, 8GB RAM, ATI 8750M).I previously had Windows 8 on this machine, which gave me a battery life of around 5-6 hours (minimum).However,...
1
vote
0answers
30 views

Strange battery behavior after updating from 14.04 to 15.04

I'm using HP machine with Intel Pentium N3520 and 4GB RAM. I recently updated to Ubuntu 15.04 and facing issues with battery, which is behaving like anything. It does not charges when operating system ...
1
vote
2answers
412 views

Does disabling touchscreen have any impact on battery life?

I hesitate about keeping my touchscreen disabled on my Ubuntu installation. I disabled it by adding Option "Ignore" "on" to the /usr/share/X11/xorg.conf.d/10-evdev.conf file : Section "InputClass" ...
0
votes
0answers
58 views

Battery always showing 99% even when unplugged

On the Ubuntu 14.04 panel, the battery state always shows 99% charged, even when it is unplugged for some time and battery state should be lower. The same happens with the acpi command. How can I ...
1
vote
0answers
160 views

How to disable automatic shut-down on low power (Ubuntu 15.04)?

So apparently there's a nasty bug on my laptop (an Acer Aspire 3810T) that makes Ubuntu freak out when plugging/unplugging power. Frequently, it claims the battery is at 0% when switching power ...
1
vote
0answers
40 views

no battery indicator (bug?)

I know there are similar posts (I even post this question two months ago with no replies) but I could not figure out a solution. Also, searching in Internet did not give anything useful. I am not ...
8
votes
1answer
509 views

Notebook does not power off when battery is critically low

After discharging the battery completely, my notebook suspends instead of shutting down. That happens regardless of using intel graphics or NVIDIA graphics mode on ubuntu 15.04. Can this issue be ...