Tagged Questions

Questions about battery usage and issues in Ubuntu.

learn more… | top users | synonyms

1
vote
0answers
191 views

WiFi causing router crash when laptop runs off battery

I'm experiencing a strange problem on my Lenovo Carbon X1 laptop with a fresh Ubuntu install. The WiFi appears to work fine when the external power source is connected. However as soon as the power ...
1
vote
0answers
232 views

Battery indicator stuck at 98% percentage

Ubuntu 13.10 64-bit, used to work fine but lately battery applet with percentage says 98% at boot but doesn't drain (though obviously battery is draining). How can I reboot the applet/make it work ...
0
votes
0answers
70 views

Powersafe, no fan sound, generally silent and light ubuntu configuration

I usually travel with my notebook and my journey is quite long. I need to slow my pc as much as its possible to safe power for more time. I need to use text editor even nano is fine and I want to play ...
0
votes
1answer
101 views

Samsung series 3 runnint ubuntu 12.04, battery indicator does not recognize when I unplug my charger

I have a Samsung series 3 (NP305E5A-S01CA) running 12.04, everything has been running great except for the battery and power management programs. Even when my AC charger is unplugged and it is running ...
0
votes
0answers
182 views

How to programmatically apply Powertop's power saving suggestions on battery mode?

I am using Ubuntu 13.10 on an Zenbook UX21E. In order to apply all suggestions programmatically, that Powertop gives to save power, I created a script in: /etc/pm/power.d/zenbook containing: # ...
0
votes
0answers
75 views

Plenty of wakeups on idle, dell m4500

I've been working with ubuntu 12.04 for more than a year and I just can't find a solution for my battery shortness anywhere. I have dell m4500 - i7, 8 G ram (if you need any more details just say). ...
0
votes
2answers
305 views

Asus laptop power management

I have a couple of symptoms that make me think Ubuntu has some problems identifying all the components of my laptop (Asus N56VJ-S4051H). When starting the computer from the OFF status, the fan goes ...
1
vote
3answers
355 views

Fan Maxes Out and Battery Status Indicator Flashes

I have recently installed Ubuntu on my Asus UX301LA which has raided SSDs and is in UEFI. Install is fine and everything works, however sometimes when I boot my fan maxes out and my battery status ...
0
votes
0answers
61 views

uhci_hcd is draining my battery?

I'm an Ubuntu user for about a year. So far, I've tried Linux Mint (Nadia & Olivia) and Ubuntu 12.04 and 13.10. Currently I'm on 12.04 LTS. On all of the operations system I used, I experienced ...
0
votes
1answer
84 views

HP dv6 2020sa // battery?

I got to understand that HP dv6 series aren't the best choice for ubuntu. The problem is the battery. If I disconnect the cable everything dies instantaneously. What can I do ? I suppose you'll ask ...
0
votes
0answers
54 views

Just got a new battery for my laptop, getting some weird readouts. Ubuntu 12.04

I have a Dell Inspiron N5010 and my old battery got old and could only hold maybe 30minutes worth of power at a time, so I got this: http://amzn.com/B0060KKW3O And I popped it in, no problem, I ...
2
votes
1answer
593 views

Lenovo Ideapad battery limit

I have an Ideapad Y400 running Ubuntu 13.10. It previously ran Windows 8, and had a Lenovo utility to limit the battery charge to 60%. Now that I've installed Ubuntu, of course, the utility is gone. ...
0
votes
0answers
53 views

How to solve Poor battery backup issue on Ubuntu 13.10? [duplicate]

I have UBUNTU 13.10 installed on Lenovo Z585 thinkpad with AMD processor.When the AC power is unplugged, my laptop battery drains so fast. I have windows8 along with ubuntu (Dual boot) and in windows ...
0
votes
0answers
76 views

upower do not execute power.d scripts if started on AC power

If I turn on my Notebook on AC power then upowerd igneres power.d scripts. the output of $ upower -d ... on-battery: no does not change to "on-battery: yes" if I pull the power cable. ...
1
vote
2answers
111 views

Short life battery

I have a Lenovo Y480 and, after install Ubuntu 12.04, the life of battery is too short, I mean, when I use the other OS, it could be have a life for almost 6 hours, and when I use Ubuntu, it have a ...
1
vote
0answers
25 views

How do I determine if my laptop battery driver is bad, or if I have a bad battery? [duplicate]

Battery will not charge at all. Read somwhere that it could be the battery driver, but I don't know how to assess that. Any help appreciated.
15
votes
6answers
4k views

How can I optimize Ubuntu for minimal energy usage?

How can I optimize Ubuntu for minimal energy usage? I use my laptop for development, but also for writing. I have a 9 hour flight coming up and a 6 hour battery life when already using limited ...
-1
votes
1answer
442 views

ASUS N56VZ not charging on 13.10

I'm new to running Ubuntu (or Linux for that matter) as a desktop OS, I do however have experience on the server side of Linux. I've installed Ubuntu 13.10 on my ASUS N56VZ-S4215H. It was no where ...
1
vote
0answers
304 views

XFCE battery indicator

I'm searching for a battery indicator applet for XFCE4, does anyone know one? I already tried xfce4-battery-plugin but the battery icon is horrible. I was looking for something like the gnome2 ...
0
votes
3answers
172 views

indicator-datetime stops the disk from spinning down

I'm running Ubuntu 13.10 on a laptop, and have laptop-mode-tools installed. I've noticed that, while running on battery, the laptop's hard disk is not spinning down successfully. About every five ...
0
votes
0answers
108 views

Samsung series 9 battery time indicator keeps changing and keyboard light not working

I have a Samsung series 9 laptop currently with ubuntu 13.04 on it. Unfortunately there are some issues i am having with it and was wanting to see if anyone had an answer as to a fix. -First, my ...
0
votes
7answers
15k views

Problem with ATI Catalyst Drivers in Ubuntu 13.10

Recently I've installed Ubuntu 13.10 alongside Windows 8 (dual boot). My Laptop is Dell Inspiron 15, with AMD Radeon HD 7670 Video Card. Without fglrx my expected battery life is reduced to 1:30 hrs ...
0
votes
1answer
97 views

Battery failing on Acer Aspire One 722 when starting

I have been running Ubuntu 13.04 on my Acer about month ago, it has worked perfectly, but some days ago the battery hasnt allowed the computer to start. It starts normally with the computer connected ...
0
votes
1answer
132 views

Slow Boot and Battery Problem in ubuntu 13.04

I'm a new ubuntu user and loved using it. But I'm now facing a problem using it. i.e., Battery Draining very quickly. ( Mine is Dell inspiron 15 - 4GB RAM - 500 HDD - AMD RADEON HD 7670 graphics. - ...
0
votes
0answers
595 views

Ubuntu Brightness Not Working

I am using 12.04 in my dell inspiron 3521.It has got AMD radeon 7600 and intel graphics.Brightness control was working perfectly. After wiping the pre installed 12.04,I installed new 12.04 ...
0
votes
0answers
102 views

problem with heat of i3 processor and battery life on ubuntu 13.04

I got problem with i3 processor on 13.04 ubuntu version . I read somewhere that linux(ububntu) can overclock the processor to higher values. I dunno if is this true but i guess it is . On Windows the ...
0
votes
1answer
174 views

How to check the battery temperature of laptop? How do I know the normal temperature of it?

How to check battery temperature? How do I know the normal temperature of it? My OS is Ubuntu. My laptop is Lenovo G470. Thanks in advance!
2
votes
1answer
383 views

Does TLP dynamically change according to power source?

I know that TLP automatically starts when the system boots up, but I wonder if it dynamically changes according power source. For example, when I manually type sudo tlp start when I'm running my ...
0
votes
0answers
12 views

poor battery on hp probook 4540s on ubuntu ! help pls [duplicate]

hi i just bought a new hp probook 4540s , I have ubuntu 13.10 and windows 7 on 64 bit installed . the batery on windows last abaout 4h30m and in ubuntu only 1h20m this is not normal ! can enybody help ...
0
votes
0answers
53 views

Why does my desktop say battery level critical and then hibernate the moment it starts?

The system will not stay up long enough to logging and see whats going on. Anyone got any ideas ?
1
vote
0answers
116 views

Ubuntu don't see when my power cable is unplugged

i'm under Ubuntu 13.10, and i've a problem of energy management : when I remove the power cable, Ubuntu don't realise it, so it does not inform me about the battery state. It displays 100% battery ...
0
votes
0answers
92 views

Battery Not recognised

Upgraded to 13.10 from 13.04. Battery icon is present. But battery is not working once I disconnect the mains. It just shows a red battery icon immediately and then shuts the computer down. No ...
1
vote
0answers
259 views

disable keyboard battery notifications in 13.10

I've updated to 13.10, and I'm getting notifications every hour or so that my wireless keyboard battery is low ... while it's sort of clever that Ubuntu can do this now and wants to show it off, a ...
0
votes
1answer
163 views

Wireless mouse stops working, when in battery, for a couple of seconds now and then

I'm using a Logitech wireless mouse in Ubuntu 13.10 and, when in battery, it stops working every now and then! It works specially when I write something. Right now, If I try to move my pointer (using ...
6
votes
1answer
718 views

How do I remove the mouse battery indicator? [duplicate]

I just upgraded from 13.04 to 13.10 and it seems there has been a new notification/status bar thingy (sorry I'm new to Ubuntu) for my mouse battery. It is in the place where it normally tells me how ...
1
vote
0answers
385 views

Battery Not Present XPS 15z U13.10

So I recently reopened my old laptop which was running ubuntu 12.04 lts. When I opened it, i noticed the battery was stated has ''Not Present'' in the top menu bar. When I click on that label, it ...
1
vote
0answers
74 views

Viewing UPS status using apcupsd in net mode? [closed]

I have a headless server running apcupsd attached to an APC UPS. I also have several workstations running apcupsd in "net" mode to communicate with it. Is there a way I can configure the Power ...
1
vote
1answer
380 views

Ubuntu with window manager for longest battery life

I have used Linux Mint mate for a year now and want to try out Ubuntu. I have a HP touchsmart notebook, 1.3 Ghz Dual Core 4 GB RAM But since switching to linux mint from win7 battery life was never ...
1
vote
0answers
57 views

Troubleshooting a non-charging battery on laptop

I'm running Ubuntu 13.04 on a Dell XPS 13. My laptop works when plugged in but the battery doesn't charge. The battery info says it has a 0 W rate. What steps can I take to debug this, and ...
1
vote
0answers
74 views

improve battery life by freezing (unload from cpu & memory) unused programs [closed]

I'm using ubuntu 12.04 + Gnome 3.6 on a laptop, a lot of times I would have 12+ windows spreaded amoung five or six workspaces. However most of the times I would just use a few programs located on one ...
1
vote
1answer
63 views

No battery indicator when logged in as second (non-sudo) user

I'm using Ubuntu 12.04 with Unity. I have a setup with two users, one with sudo privileges for admin use, and one without for daily use. When logged in as the non-privileged user, there's no battery ...
1
vote
1answer
290 views

Battery usage got very high after switching to Ubuntu (HP Pavilion G6-2348SG)

I just switched to Ubuntu from Windows 7 on my HP Pavilion G6-2348SG Notebook and it seems like the battery usage increased a lot. Also, I cant find any drivers, which would probably solve the ...
1
vote
0answers
160 views

1 hour of battery life lost in 10 seconds

Whenever I plug my charger out, the lifespan of my battery suddenly drops from 90 minutes to 30. By "suddenly" I mean it literally takes it around 10-15 seconds at most to drop. My battery isn't new, ...
2
votes
2answers
455 views

Battery backup not as long as expected and system temperature rises when using Ubuntu

I'm using both windows 7 and ubuntu-13.04 in my acer aspire 5738g notebook. I get 3 hrs battery backup in windows 7. But in ubuntu it shows only 1.30 hours but as it goes on to ( it shows 1.30 but ...
0
votes
1answer
515 views

Non-Dell Battery Not Detected on Dell Inspiron 1545

I bought a new battery and power cord from Amazon which is not Dell OEM. Ubuntu is not recognizing the batter at all. It say's "Not Present". Is it reasonable to assume that this is a hardware issue ...
3
votes
0answers
265 views

Laptop immediatly goes to sleep after disconnecting power [closed]

I've Lenovo S400 laptop, dual boot with windows 7 and ubuntu 13.04. The problem is that whenever I disconnect the power adapter, ubuntu shows that battery level is critically low and goes to sleep. ...
0
votes
1answer
53 views

Battery problem

Ubuntu's unity eats up my Asus Eee PC's battery, in a few minutes, with Libreoffice running. Should i reduce the memory usage of Libreoffice, or get a spare desktop environment?
3
votes
0answers
510 views

How to count battery cycles?

Like most user that have searched about knows, Manufacturers ACPI implementation is a mess. And for most of our laptops, battery infos are unavailable or wrong (on a dell inspiron 15z, the rate is ...
1
vote
1answer
136 views

I've got some problems on Ubuntu 13.04, any help!

I can't set script (or by any other way through terminal) for making thresholds for battery charging, Also I know that Lenovo users provided tp_smapi kernel module which make this issue not ...
0
votes
1answer
648 views

Timed Shutdown - shutdown after 30 minutes [duplicate]

I am running Xubuntu 13.04, I got in the habbit of closing my Acer Netbook and forgetting about it for a week+. I open it up to find it has still been running. How do I set it to shutdown after 15 ...