Questions related to power management, particularly power saving measures.

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1
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0answers
384 views

Getting screen blanking working with Ubuntu 11.10 under Unity [closed]

I want screen blanking after 10 or 30 minutes, but at present the screen doesn't blank at all. This has been an issue since upgrading to 11.10. At present, even after a couple of hours, the screen ...
2
votes
1answer
595 views

How do I get Ubuntu to ignore power button presses?

I've got a small media server that sits under my TV, and it runs Ubuntu 11.04 desktop x64 with XBMC on top. I've got a problem in that unknowing users / visitors occasionally press the power button ...
2
votes
2answers
2k views

Hibernate on power button - login screen

Every once in a while my SO-User (significant other user) leaves the computer but doesn't hibernate it. I want to push the power button to save some energy, but as I'm not in her session, the computer ...
1
vote
1answer
2k views

Are there power plans for Ubuntu like in Windows 7?

Please people anyone if can help me. I'm new to ubuntu, I mean have work with it since 11.04 come out. My only problem is battery life. In windows 7 I have balanced power saver and high performance is ...
3
votes
2answers
2k views

My Laptop Battery Does Not Charge

I am using a HP Pavilion and Ubuntu 11.10. I have been using Ubuntu for about a year. Recently (in Nov or there about), I noticed my battery never charges fully no matter how long it has been ...
2
votes
1answer
497 views

Is the HDD spinning when it is unmounted?

Have a PC with multiple HDDs some used only for backup. Should I leave them unmounted? IS the power consumption less when the HDD is unmounted? Do the HDDs spin when unmounted? Thanks a lot
1
vote
1answer
968 views

How to determine / make sure whether hard-disks have spun down when using “hdparm” options?

I want to spin down some hard-disks when they are idle. So I used hdparm package. In the /etc/hdparm.conf I added following lines: command_line { hdparm -Ss 241 /dev/sda } My intention was to spin ...
0
votes
2answers
869 views

Fan is always on on a Toshiba L300, is this normal?

I've installed Ubuntu 11.10 on my Toshiba l300 and I have a problem with the fan which works constantly and this is unusual...Have you got the solution?
4
votes
1answer
841 views

Why is Ubuntu so power-inefficient? [duplicate]

Possible Duplicate: Battery drain on ubuntu is fast I'm currently getting 7–8 hours of battery life whilst using Windows, but I only get about 3 hours in Ubuntu? Why the big gap? Some ...
0
votes
2answers
428 views

How to install this kernel?

I have a Samsung notebook with Core i3 Sandy Bridge processor and I want to install the patched kernel available here: https://wiki.ubuntu.com/Kernel/PowerManagement What Kernel version should I ...
1
vote
1answer
2k views

Which application controls the power management?

I'm using xmonad in Ubuntu Oneiric without the Unity desktop. In 11.04 I launched manually the gnome-power-manager for controlling the laptop battery but in the new Ubuntu this application is no ...
0
votes
1answer
453 views

Power consumption issue with Kernel?

I have aquired a Samsung notebook, model RV420 (Core i3 Sandy Bridge), acording with the specifications the battery should work for aproximatly 6 hours, but in fact his duration was 2 hours and 45 ...
6
votes
1answer
2k views

Customize the power button action (ubuntu 10.04)

I would like to customize the power button action. The tutorial at http://blog.metalight.dk/2010/07/ubuntu-lucid-custom-power-button-event/ works but not always (the number of shutdown processes can ...
1
vote
4answers
782 views

Is there a non-mono alternative to power saving tool Jupiter? [duplicate]

I'd like a power saving tool similar to Jupiter but without all the mono dependencies. Does it exist?
2
votes
1answer
792 views

Wake up from sleep on HP Envy 14

I'm not familiar with laptop power management internals, and I have a bit of a problem with Ubuntu 11.10 and HP Envy 14. Waking up from sleep (opening the lid) causes a cooler to spin on maximum ...
11
votes
3answers
3k views

Stop laptop from suspending when closing lid in lightdm

How do I stop my laptop from suspending when closing the lid under lightdm - the power management settings in xfce or gnome 3 does not seem to apply when the window manager is not running.
6
votes
4answers
16k views

How can I prevent iwconfig power management from being turned on?

I am affected by this bug: 869502. A workaround which seems to stop the kernel panics for me is to disable wlan0 power management: sudo iwconfig wlan0 power off However it seems to automatically ...
4
votes
1answer
2k views

How can I make the battery icon appear in my gnome-3 panel only when charging or discharging?

I am using ubuntu 11.10. There was an option for the same in 11.04. I found a suggestion listed here. Unfortunately, it does'nt work. $ GSETTINGS_BACKEND=dconf gsettings set ...
2
votes
1answer
4k views

login fails and returns to login screen

I run Ubuntu 10.04 inside VMware on a windows host. After a power outage I can no longer log into Ubuntu. I get to the login screen, which mysteriously also changed its color theme from the standard ...
1
vote
2answers
1k views

Dell Dimension 3000 goes into sleep and won't wake up

I installed ubuntu 11.10 on my old desktop Dell Dimension 3000. The installation went well except that I noticed that it installed the OS on the 1T external USB disk. The problem I am seeing is that ...
1
vote
0answers
379 views

Battery Monitor Not Showing on boot up of Ubuntu 11.10 [duplicate]

Possible Duplicate: No battery status icon When I boot up Ubuntu 11.10, my battery monitor does not show up, it only does when the battery is low, or I plug in my power cord. I want it to ...
11
votes
6answers
20k views

Scheduling StartUp and ShutDown

I use Torrents often, so I need to know how to make my computer start up and shut down automatically, Wi-Fi is switched on at six in the morning in my hotel and switched off at two AM. (I am able to ...
6
votes
6answers
12k views

Why does my display keep turning off every 10 minutes?

I have installed Ubuntu 11.10 (Oneiric) in VirtualBox as well as virtualbox-guest-additions . The display resolution adapts to the size of the window as expected, but the display turns off after 10 ...
8
votes
3answers
2k views

System shows “Battery Critically low”

I am using Ubuntu 11.10 on VAIO . Whenever I unplug the charger from my laptop, there comes a dialog showing "battery critically low" and system suspends, even when the charge is 100%.
0
votes
1answer
380 views

Battery life is getting shorter and it longer to charge

Just installed Ubuntu on my laptop. What is weird is that my battery life has become shorter, and when I try to charge it, it said that my battery will be full in 8:30 hrs. While on my Windows, it ...
2
votes
2answers
964 views

What happens if I Force power off my pc

Shutdown didn't work for me. It was stuck at Ubuntu Logo. I waited for sometime and finally powered off mu laptop. I want to know what happens if i power off my laptop. In what ways its harms OS ...
0
votes
1answer
242 views

Live USB not saving setting to not suspend when laptop lid is closed

I see that a similar question exists but it's with regards to Ubuntu 10.10. I currently have Ubuntu 11.10. Also, I am unsure as to whether or not the Live booting would have anything to do with this ...
8
votes
6answers
15k views

How to disable auto power off of usb devices like usb mouse?

I don't know how , but somehow automatic power-off of usb devices got accidently enabled. Now my usb mouse goes off even if it's idle for 2-3 seconds. it's really irritating. help?!!!!! P.S. This ...
0
votes
3answers
2k views

How do I fix overheating and short battery life on a VAIO VPCEA23EN with an ATI Radeon HD 5145?

I am using a VAIO VPCEA23EN with an ATI Radeon HD 5145 graphics card. I have 3 GB RAM and a Core i3 2,26 GHz processor. My laptop gets very hot very quickly. Battery life is also much shorter than ...
1
vote
1answer
1k views

How to change keyboard sleep button to hibernate?

I have a keyboard with a "sleep" button that does indeed make my computer go to sleep. The problem is that Ubuntu can't really handle sleep on my computer, causing it go into a non-responsive mode, ...
5
votes
1answer
564 views

How can I change what action is caused when the power button is pressed?

I want know if there's a way to change the action when the power key is pressed. I use Ubuntu 11.10 and when it is pressed it opens a small window with shutdown options. I want know how to change ...
2
votes
2answers
1k views

Reduced battery life in my netbook

I notice my battery is getting empty quickly while using Ubuntu 11.10. When I am using Windows 7 with the same power settings and usage, I get a back up of around 3 hours whereas in Ubuntu it is half. ...
1
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0answers
213 views

When is a Kernel update due for 11.10? [duplicate]

Possible Duplicate: Kernel patch that solves battery issues when for ubuntu ? Thanks to Phoronix there seems to be a fix for the power regression/overheating bug in the Linux Kernel 3.0.1 ...
9
votes
3answers
3k views

Kernel patch that solves battery issues when for ubuntu ? [closed]

http://www.phoronix.com/scan.php?page=news_item&px=MTAxNDM When will this come for ubuntu ? I am getting tired with my 11.10 dieing at little over 50 minutes of battery when at the most extreme ...
2
votes
1answer
864 views

Consuming too much power on a Dell 15R [closed]

I'm new to Ubuntu, and I've just installed Ubuntu 11.10, and I must say I really like it a lot. I'm getting used to Ubuntu faster than I thought but the only issue I'm having is the power consumption. ...
1
vote
0answers
319 views

Lid closed power option doesn't work anymore [duplicate]

Possible Duplicate: How do I modify the power options in Ubuntu 11.10? After upgrade to 11.10 the lid close option in the power settings doesnt seem to work anymore. Only options now are ...
0
votes
3answers
421 views

Very Slow Boot Up time and low battery life [duplicate]

Possible Duplicate: How can I improve overall system performance? I have a i3 laptop with Ubuntu 11.10(64bit) and the boot last 30-40 seconds.... how can I make it faster? Also my laptop is ...
1
vote
1answer
202 views

I have an extra power icon in my menu bar. Any idea why? [duplicate]

Possible Duplicate: Two battery indicator symbols, how do I get rid of one? It's a notification area icon (I've set the systray whitelist to 'all'.) It's completely superfluous, ...
7
votes
1answer
2k views

Replace XFCE Power Manager with Gnome Power Manager

Is there a way to "swap-out" the existing XFCE power manager in a Xubuntu install with the more common GNOME power manager without breaking the install? Am having problems with the xfce power manager ...
1
vote
1answer
2k views

Broadcom b43 power management [closed]

I can't enable power management functions on my Broadcom BCM4311 WLAN card (as sugested by PowerTOP) Here are some prints: root@grumpy:~# lspci -vnn | grep 14e4 0c:00.0 Network controller [0280]: ...
1
vote
1answer
1k views

Power management issues on a Sony Vaio VPCEB1C5E [duplicate]

this is my first question here, I'm a newbie. I've just installed Ubuntu 11.10 on my laptop Sony Vaio VPCEB1C5E E-Series. The hardware is: CPU: intel i5-430M RAM: 2x2GB DDR3 SSD: Crucial M4 64GB ...
6
votes
2answers
1k views

How do I set the computer to suspend when battery is critically low?

I accidentally clicked on the option "When power is critically low" under System Settings>Power. The original entry was blank, but the only two options after I clicked were Hibernate and Shutdown. I ...
3
votes
1answer
248 views

Acer TravelMate 220 doesn't resume

My computer (Acer TravelMate 220) likes sleeping so much that I can't wake it up. I'm using Ubuntu 11.10 (installed Nov 2011). Based on similar questions posted, it seems to have been an issue in ...
7
votes
4answers
1k views

Suspend when critically low power 11.10

Is there a way to suspend when Ubuntu is at critically low power. The only option in Ubuntu 11.10 power setting is to shutdown or hibernate. I run my battery all the way down till it suspends then i ...
2
votes
1answer
1k views

How to keep a bright screen with battery power? [duplicate]

Possible Duplicate: Always be 100% bright when I'm using battery It would seem that one would go to the power settings, and adjust the amount of time before the screen becomes dim, but ...
1
vote
2answers
823 views

Why won't my computer hibernate and shut down properly?

I have Ubuntu 11.10 and hibernate isn't working on this machine. I looked at this post and after the string # swap was on /dev/….. nothing appears. I cannot find the file: ...
2
votes
2answers
648 views

Is there such thing as a heat / power management?

I was having a problem with my screen resolution constantly changing on the fly while X was running with dual monitors. Actually i am still having this problem but i think i figured out what was the ...
13
votes
2answers
22k views

How do I monitor power consumption?

The powertop program shows the power usage, but only after about five minutes. Before that, it shows: no ACPI power usage estimate available That's one of the limitations of the powertop ...
3
votes
2answers
6k views

Fan runs constantly on an Acer Aspire s3

I have a new Acer Aspire S3 notebook and problems with the fan. After installing Ubuntu 11.10 (but also with the Xubuntu live-disc) the fan is running constantly. Is there any possibility to: Stop ...
2
votes
2answers
1k views

How to extend the battery life on my laptop when running Ubuntu?

I have a little problem. I bought a Pavilion G4 with Windows 7, but I really hate Windows, so I installed Ubuntu on it. On Windows, the laptop's battery lasts longer than it does on Ubuntu. I've also ...