Questions about battery usage and issues in Ubuntu.

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1answer
265 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 -...
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0answers
53 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
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0answers
44 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
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0answers
37 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
103 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 ...
2
votes
3answers
817 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
452 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 ...
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0answers
109 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 ...
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0answers
36 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
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1answer
48 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.)
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0answers
31 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
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0answers
254 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
105 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
50 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
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0answers
350 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 ...
1
vote
1answer
183 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:   ...
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0answers
324 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 ...
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votes
0answers
62 views

lubuntu - get the power manager to show time left and percentage

I just installed lubuntu 16.04, and I would like to get the power management icon on the Task Bar to always show the time left and the percentage (right now it only shows them when I hover over the ...
0
votes
1answer
86 views

How do I configure the low battery notifications?

My laptop routinely runs between full and critical charge a few times over the course of a day (yes, it's old). Before I updated to 16.04, Cinnamon used to notify me at: 20%, then again at 10%, then ...
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0answers
14 views

laptop screen suspends after unplugging charging cable, also disables wi-fi connection : ubuntu 14.04

Whenever I unplug the charging cable cord from my laptop(Lenovo G580), the screen temporarily suspends, after blinking 1-2 time(s). Then I press spacebar (or maybe any key can work) and screen ...
-1
votes
1answer
22 views

How to stop Ubuntu Mate hibernating when the battery hits zero

I sadly own an old IBM think pad x31 and its battery is shot. It only holds about 20% of its charge and more importantly the majority of its power is reported as being below zero percent. I recently ...
1
vote
2answers
48 views

Saving work automatically when battery is low

I am a writer and of course I sometimes lose my work if the battery goes dead. I am looking for suggestions for ways to save when the battery gets to 5% or 1%. Maybe a bash command written to save ...
0
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0answers
23 views

Save battery by setting apps in inactive workspaces into a state like minimized

I'm interested if it's possible to make GUI applications on inactive workspaces (Unity) to behave like minimized GUI applications (is it the idle state?) in order to save battery life. What I mean ...
1
vote
3answers
2k views

Bad battery life on Xubuntu 16.04 Lenovo T460s

The battery life of my new Lenovo T460s is very bad (about 4,5h with a little bit browsing and half display contrast). Xubuntu 16.04 shows two batteries (SANYO 00HW022 and SANYO 01AV405). They were ...
0
votes
1answer
17 views

Playing video prevents sleep on low battery

When a video instance is displayed (firefox/chromium html5 video, openshot video editor etc.), the computer does not go to sleep under any circumstances, and it is even forced to stay until the ...
1
vote
1answer
74 views

Since OTA10 upgrade the battery life of my phone is eaten up by “fitbitaccount”

I can't disable this process which consumes battery life: /usr/bin/online-accounts-ui --socket /run/user/32011/online-accounts-ui/ui-1-com.canonical.scopes.fitbit_fitbitaccount --profile com....
0
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0answers
53 views

Ubuntu 14.04 panel shows battery level as arithmetic mean of laptop and bluetooth mouse levels

I have two notebooks (Asus Zenbook and Lenovo Thinkpad) with Ubuntu 14.04 installed and both show the same behaviour: The battery level indicator in the Unity panel shows the exact arithmetic mean of ...
0
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0answers
47 views

How to force enable Turbo Core (AMD) on Ubuntu 15.10?

I'm running a Samsung Ativ Book 9 lite with Ubuntu 15.10 installed. The processor is supposedly equivalent to an A6-1450 Temash 1.0 GHz (1.4GHz boost) The problem I'm having is that turbo mode only ...
0
votes
1answer
48 views

Laptop battery high/low alarm

My laptop battery didn't last half as long as I had hoped and it is an internal one. That is, it is very inconvenient to replace. I would like my replacement battery to last as long as possible, and ...
1
vote
2answers
112 views

Poor battery life

I have relatively high discharge rate (about 14W, which results in ~3 hours of battery life) on my ThinkPad X230. I'm using TLP, intel_pstate's powersave governor. The following kernel arguments are ...
0
votes
1answer
69 views

Laptop not properly suspending after I close lid

Dell Inspiron 3542. When I close my laptop lid and put it in my bag, I often take it out later to find it extremely hot and with the battery drained. I also often find that my monitor turns on ...
1
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0answers
65 views

Battery Status not updating

After I installed Ubuntu 14.04 (before I had Ubuntu 13.10), the battery indicator stopped working properly. It always shows the battery level that was at the start up (when I open the laptop and boot ...
0
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0answers
20 views

charging capacity while dual booting?

sorry if this has already been answered, I looked around for a while(here/online) and could not find the case of dual booting but just Ubuntu standalone. Say I have a dual boot win7 and Gnome. How ...
0
votes
1answer
32 views

xfce4-power-manager closed when Battery is removed

I am Running Lubuntu 15.10. And I remove my Laptop battery during night times to prevent overcharging of my battery. And for some reason xfce4-power-manager is closed when i remove my battery(While ...
1
vote
0answers
32 views

How to check battery drain on Aquaris E5

I have my Ubuntu Aquaris about a year. In the beginning there were some battery problems, but everything was fixed. A few days from now my battery drains really fast (from 70% to 10% overnight). I ...
0
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0answers
40 views

Interpret upower result (laptop battery dead ?)

I recently and sudddenly had my laptop battery which display that it is fully charged but directly switch off when i try to disconnect the power cable. Laptop have less than one month and is seems ...
0
votes
1answer
85 views

Low Battery Performance on Kubuntu 15.10

I have recently installed Kubuntu 15.10 on my Lenovo G50-70. But the pain is that it is giving extremely poor battery life. After full charging it to 100% it only gives me 45 minutes of battery backup ...
0
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0answers
12 views

Higher Power consuming turned off Display

i have a question about the power consumption of my laptop. I wanna setup my laptop as an small media server, because of that i was checking the power consumption and found out that the laptop need ...
0
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0answers
36 views

When unplugging the A/C adapter, computer turns off

When the A/C adapter is unplugged, the computer turns off instantly. Tried to buy a new battery, still happening. The battery shows 100% but its not being used at all. It is being detected. I ...
3
votes
1answer
41 views

run script when power mode changes

I wrote myself a bash script and when this script is called it changes my display brightness. Now i want to run this script when my ac-adapter is unplugged or the ac-adapter gets plugged in. Where can ...
0
votes
0answers
25 views

Massive throttling when switch from charger to battery on Ubuntu 15.10

When I watch a 1080p video on youtube, I got easy 60 frames/s. But when I plug out the charger the framerate drops below 20 f/s (even if battery is 100&). The governor is set to performance, but ...
0
votes
0answers
25 views

Power brightness issues

I recently switched to Xubuntu from windows. GOOD RIDDANCE! Anyway I cannot adjust my screen brightness and it is really dim. My computer is a Samsung NP470R5E. I am running Xubuntu 14.04. Any advice?
0
votes
3answers
76 views

Energy management Ubuntu

I don't have a problem with ubuntu, everything is working fine, but I'm wondering if it can be more power-efficient. For now I have installed tlp, powertop, and cpu-frequency-scaling-indicator. When ...
0
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0answers
63 views

Random Freezes in Ubuntu 15.10 on Asus X201EP

Ubuntu 15.10 on the ASUS X201EP freezes on battery mode. This happens every time I use battery mode, but the duration for which I can use the laptop until it crashes is different every time. When the ...
1
vote
1answer
146 views

Automatically reduce brightness on battery in Ubuntu 15.10?

How can I automatically reduce brightness when I unplug the AC in Ubuntu 15.10? I tried modifying dconf-editor settings as suggested here, http://askubuntu.com/a/312619/511925, but there are no ...
0
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0answers
29 views

xfce power manager makes wrong notifications

xfce Power Manager shows random notifications about my laptop running out of battery, but I am plugged in. Then it pops a notification saying I am plugged in, then another saying it is discharging, ...
0
votes
1answer
67 views

Battery drain after update?

bq Aquaris E5 HD Ubuntu Edition. I have just applied 15.04 update. I haven't used the phone today and I am below 50% half way through the day after a full charge at night. Usually the phone is ...
1
vote
0answers
43 views

Battery status seems to be stuck

I have a Dell Inspiron 3000 series with Ubuntu 15.10. I noticed a few hours ago that the battery status remained unchanged (at 45%) and it said 1:40 hours left for full charge. I tried removing and ...
1
vote
1answer
43 views

Whats happened to the battery? Help understanding the BAT0 report

my laptop's battery seems dead(the laptop only runs with the AC plugged in), but the BAT0 report says the following: ▶—— NOTEBOOK BATTERY (BAT0) ——◀ Complete Report: Name ...
0
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0answers
109 views

For modern low-end PC, lubuntu or xubuntu or another distro?

I have a new but low-end Lenovo Thinkpad X140e with AMD E1-2500 APU, AMD HD 8240 GPU, 12gb (8+4) ddr3 ram and 500gb 7200 hdd. Although it is equipped quite well, I suffer from the cpu side I guess. ...