Questions related to power management, particularly power saving measures.
0
votes
1answer
46 views
What linux distribution is less power hungry than ubuntu 12.04?
My notebook is a Compaq Pressario CQ71. The battery life is like 1:45 h. When Win Vista was installed on it, it was like 3 h. Now I like Linux more, but this distribution (ubuntu 12.04) is consumes ...
3
votes
4answers
826 views
Brightness control doesn't seem to work on a Toshiba Satellite M115 laptop
I have Ubuntu 12.04 LTS on a Toshiba Satellite M115 laptop. The brightness control doesn't seem to work with the "brightness and lock" setting or fn+f6 and fn+f7 (which usually works in Windows). How ...
0
votes
1answer
30 views
SSH login wakes spun-down storage drives
I'm running 12.04 on a home server/HTPC, and have several storage drives which spin down using values set in /etc/hdparm.conf.
Sometimes, logging in via ssh causes some or all of the drives to wake ...
25
votes
2answers
5k views
Is there a power saving application similar to Jupiter?
I have installed the 13.04 final release and so far I am loving it more 12.10. I'm trying to install the Jupiter power settings app but, I read it is no longer compatible with the new kernel. Is there ...
2
votes
0answers
42 views
My fan is always on but not in MSWindows (HP elitebook 8460p)
Problem: My laptop(new) fan is ALWAYS on.
Question: What can I do to solve this issue?
Situation:
HP Elitebook 8460p
Ubuntu 12.04 LTS (clean install, no mod, nothing... really clean... no ...
0
votes
0answers
8 views
glitchy screen on laptop close
when ever I close the lid on my laptop, no matter if its in suspend or do nothing mode, it starts to glitch. when it glitches it goes black and comes back on when the mouse is moved around, but it ...
2
votes
3answers
72 views
Missed power est. column in powertop?
I used powertop v.2.1 under Ubuntu 12.04 but it missed the power est. column.
It's the same situation as described here and that bug is supposed to be fixed already.
I tried lm_sensors but it ...
0
votes
0answers
18 views
wrong battery report on asus k45dr
I bought new asus laptop with series k45dr and there is something wrong the battery, it always show that it fully charged , even though i have used my computer for more than an hour then without ...
0
votes
0answers
11 views
Change brightness automatically depending on power source in 12.04
I'm running Ubuntu 12.04 on a HP G61. When I used to use Windows in this machine, my screen to autodimmed when unplugging AC (i.e. running on battery), and brightness was restored when plugged again. ...
0
votes
0answers
13 views
disable display power saving on primary screen
Hi I would like to disable my linux server power save function. I was running a console program constantly generating screen print out. and after a while the power saving ticks in to turning off my ...
2
votes
2answers
1k views
Ubuntu 12.04 LTS drains my Samsung Series 9 900X3C ultrabook's battery extremely fast. Is there anything I can do to fix that?
The title basically says it all. My Samsung Series 9 900X3C ultrabook's battery is in the deep red around barely three hours after disconnecting it from the power - and during most of that time the ...
2
votes
1answer
87 views
Turning off battery management on desktop
Just installed Ubuntu 12.04 on a Dell Optiplex GX280 desktop computer. When I hook up my bluetooth mouse and keyboard it seems to recognize their batteries as the actual battery of the computer. As if ...
2
votes
2answers
103 views
Shut down acts as restart?
I've installed Ubuntu (almost all latest versions), when my Acer Aspire V5-471 is want to shutdown from Ubuntu, it acts as restart/reboot. Refer to edit 2 for releases tried and edit 1 for tried ...
0
votes
1answer
63 views
To control battery at a certain capacity (for ex.20%) then the laptop will be automatically standby or hibernate for long-lasting the battery
I would like to control for setting my battery at a certain capacity (for ex.20%) then the laptop will be automatically standby or hibernate for long-lasting the battery.
Is there any solution, ...
0
votes
0answers
15 views
Log the power usage from electric grid?
is there a way to log the power my computer uses from the electric grid (i.e. power plug)?
When on battery, I can obviously use powerstat.
Any how can log this to a file?
Here's an example:
...
1
vote
0answers
92 views
fan noise and high battery consumption with AMD hybrid graphics
as described here dell 7520 (inspiron 15R SE), fan on full speed on 12.04, 12.10, 13.04, i still have problems with my energy comsumption and fan noise under ubuntu 13.04.
i could reduce it to a ...
0
votes
0answers
53 views
Laptop running Ubuntu battery management issues
I am a newbie to Ubuntu (after dumping 3 other distros) and have seen a terrible battery management from Ubuntu.
I use a HP DV7 17" 8 gb ram beast with about 30 minutes of battery power since I ...
1
vote
2answers
2k views
Battery life starts at 2:30 hrs (99%), but less than 1 minute later is only 1:30 hrs (99%)
After searching this and other forums, I haven't seen this same issue listed anywhere for Ubuntu 12.
Prior to installing Ubuntu 12.10, my Netbook (Acer AspireOne D250, SATA HDD) was consistently ...
1
vote
2answers
198 views
Have PM utils power.d scripts run all the time
The pm util power saving scripts only work when a laptop is on battery, not when it is plugged in to AC. Is there a way to make pm utils run all the time, regardless of whether the laptop is connected ...
0
votes
1answer
42 views
Strange behaviour when close the lid of my MBA
I have an MBA and I'm used to close the lid without any problem in OSX.
I've installed ubuntu 13.04 in dual boot with rEFit.
The problem is that sometimes something strange happens when I close the ...
54
votes
6answers
29k views
How can I tell Ubuntu to do nothing when I close my laptop lid?
I would like closing the laptop lid to be a no-op. How can I do that?
0
votes
0answers
74 views
How do I turn down GPU heat / usage on a Sony Vaio Z21?
I have a Sony Vaio Z21 (VPC2) and am experiencing some GPU heat/usage issues since kernel 3.2 up till 3.9.
I have installed laptop-mode-tools, configured powertop and added the following to grub:
...
0
votes
1answer
504 views
How to make an Asus G75 laptop more energy savvy
I just bought an Asus G75 and the battery is lasting less than 2 hours, even when doing nothing. I read somewhere that energy saving is not efficient on linux, at least by default. Is there something ...
0
votes
0answers
28 views
Ubuntu crashes when on battery power
I've got an HP 2510p (with a mic problem..) with Ubuntu 13.04. When I use it plugged in to the A.C. supply, so far so good. When I disconnect the A.C. supply, Ubuntu crashes. Same thing happens when I ...
0
votes
2answers
3k views
How to make my screen brightness not change when I plug my laptop in
I do not want my laptop to change brightness when my laptop power is plugged in or unplugged. I set my brightness based on how bright my surroundings are. If I am in a dark room, I set my brightness ...
0
votes
0answers
94 views
Acer randomly shuts down
I just bought an Acer Aspire One 756 in Romania with Ubuntu pre-installed, and i choose to reinstall ubuntu for english language and my correct keyboard layout. but now it randomly shuts down.
I ...
0
votes
0answers
41 views
Ubuntu not is hibernating when lid is closed
I use Ubuntu 12.04 in my laptop. I'm trying to configure to hibernate when lid is closed. However, not is working.
I did the following steps to solve the problem:
I enable in ...
0
votes
2answers
64 views
Is there any security alarm?
I have friend that leaves an awful amount of time his laptop unattended. Its is not me, it would be stupid tip for thieves to ask this publicly if it was me :p.
I was thinking of an alarm that could ...
5
votes
6answers
352 views
How can I disable backlight when I lock the screen?
When I lock screen, the display does turn black but the display isn't completely off. There is some light coming out of the display in screen lock mode but it get turned off when inactive for 10 ...
0
votes
1answer
86 views
How to stop screen going black after 10 min
My OS is Lubuntu 13.04. After 10 mins of inactivity the screen goes black. What I did to stop it without effect:
uninstalled xscreensaver completely
in power setting I set to never blank the screen
...
0
votes
0answers
209 views
My ubuntu 13.04 x64 cann't do cold boot in battery?
I am using HP-Pavilion G6-2005ax, powered by AMD APU A8-4500M, 4GB RAM, 500 GB HDD and AMD Radeon HD7670M 1GB. I am using Ubuntu 13.04-amd64 version. While I am doing cold boot on battery, the Lap ...
1
vote
0answers
68 views
Ubuntu 12.04: Virtual console is dimmed [duplicate]
My fresh installation (with updates ...) of ubuntu 12.04 (64bit, Desktop) automatically dims the virtual console as soon as a switch to one. After pressing ctrl+alt+fX, the screen starts dimming until ...
0
votes
1answer
2k views
battery icon / power indicator not shown in menu bar after upgrade to 12.04
Since the upgrade from 11.10 to 12.04 the battery icon / power indicator is not shown any more in the menu bar.
I went to 'system settings'-->'power' and tried to set 'show battery status in menu ...
0
votes
1answer
1k views
Fan working non-stop on a Dell Inspiron 5110
First of all i'm new at ubuntu. I've only tried 11.10 before 12.04. Since then my notebook's(Dell Insprion 5110) fan was working non-stop. And also battery lasts in 2 hours. So i made a research. Some ...
5
votes
1answer
86 views
How green are Ubuntu and Canonical?
im a student of Environmental Engineering, currently searching for a Bachelor Thesis Theme.
I am curious, if there any internal information about Ubuntu related to CO2/Energy saving compared to other ...
-1
votes
0answers
38 views
How to find different Intel processor's P-states? [closed]
Different p-states will let processor core work at different frequency level and voltage level. It's enabled by Intel Enhanced Speedstep technology.
I want to do some power management research. ...
0
votes
0answers
46 views
Low battery life on ubuntu 13.04 [duplicate]
Config: laptop MSI CR650 - 229XBY
AMD E-450
Radeon HD 6320 (512mb) - Proprietary driver
HDD: 500Gb
OS: Windows 7 Home Premium SP1 (x64) and Ubuntu 13.04 Raring Ringtail (x64)
Steps:
1.Clear Install ...
0
votes
2answers
1k views
sudo shutdown vs pressing power button quick
I have a headless Ubuntu server running 64 bit Ubuntu 12.04 server edition, and I connect to the server via SSH from my Windows laptop.
Sometimes when I would like to turn off the server and my ...
2
votes
1answer
78 views
Xfce power manager does not follow GUI setting not to shut down the display
I want my laptop not to turn off monitor when on AC power under any circumstance.
And yet it becomes dark after a while - 10 minutes I guess.
I think the Xfce GUI settings involved are these here:
...
0
votes
1answer
187 views
How to get Jupiter in Ubuntu Gnome [duplicate]
So I switched from ubuntu to gnomebuntu today, and proceeded to try and install all the apps that I had found invaluable with ubuntu. I have run into a road block with jupiter, and was wondering if ...
0
votes
0answers
24 views
Monitor ramdomly powers off
I'm having a problem with notebook screen on Ubuntu 13.04(for what i remember it happened on 12.10 too), sometimes( i think at least, mostly when playing games) the monitor just powers off, but the ...
2
votes
2answers
233 views
Much lower battery life on Ubuntu and laptop heating up badly
I have the following config laptop:
System model: HP Pavilion g6 Notebook PC
Processor: AMD A8-4500 APU with Radeon HD Graphics (Quadcore 1.9Ghz)
Memory: 6Gb RAM
Graphics:AMD Radeon HD 7640G+7600M ...
0
votes
0answers
25 views
Ubuntu wont suspend with external monitors attached to my laptops when closing the lid or clicking suspend from the menu bar
I've had this problem for a few releases and it affects all of my laptops; I specifically have this issue on an alienware m14x, a lenovo ideapad y530, and an acer aspire 4720z. If I unplug the ...
1
vote
0answers
31 views
How to Cycle Power to a PCI Device with setpci
If I have my vendor and device ID of a PCIe card, how can I cycle power to that card using setpci?
eg:
setpci -d 118d:3000 _________
I'm comfortable with Ubuntu, but I'm no expert by far so please ...
0
votes
1answer
47 views
How to switch off devices and ports for power saving in Lubuntu? [duplicate]
In Windows Vista I can switch off via power management:
PCI Express
Modem port
Optical DVD drive
Via network connection I disable:
Blutooth
How can I do similar in Lubuntu? Under Power Manager I ...
0
votes
0answers
98 views
Extremely short battery life in Ubuntu 12.10
I have dual operating systems on my laptop. While I am using Win7 I work 3-3.5 hours on balanced mode. Unfortunately with Ubuntu the lifetime declined to 1.2 hours. How can I achieve the same battery ...
0
votes
0answers
35 views
Don't suspend on login screen - Ubuntu 12.10?
I set my power settings to "Don't suspend" when I close my laptop lid on both battery power and AC. Is there a way to prevent suspend from the login page too? It seems it's taking effect on my account ...
0
votes
0answers
444 views
Ubuntu 13.04 Kernel 3.8.0-19-generic Freezes when power cord is connected [closed]
When the ac power cord is connected the system freezes, and when is disconnected it gets back to normal.
esigolo@esigolo-note:~$ uname -a
Linux esigolo-note 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 ...
1
vote
1answer
1k views
Power & Sleep Management
I'm running 12.10 with xmonad.
Trying to ensure that the right things happen when I close laptop lid, etc. I see Internet search results for similar issues that mostly point towards ...
2
votes
3answers
1k views
How to improve battery life on a HP Pavilion dv6?
I apologise if this question is too similar to the numerous others already asked, but I'm a beginner and I really need your help.
So...I've installed Ubuntu 12.10 a few days ago and I have only been ...
