Questions related to power management, particularly power saving measures.

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6
votes
6answers
13k 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
545 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
vote
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
419 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
243 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
817 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
636 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 ...
12
votes
2answers
20k 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 ...
0
votes
1answer
604 views

Dell Inspiron Duo crashes when I plug in my charger

Good Evening everyone, My Dell Inspiron Duo likes to just crash out when I plug in my charger!! But I'm a bit lost how to diagnosis is - Ideas??
6
votes
3answers
2k views

Shutdown/suspend/hibernate not working correctly

I'm using Ubuntu 11.10 and every thing was good until few days i try to shutdown my laptop but instead Ubuntu goes to the lightgdm login screen. Also suspend and hibernate don't complete: in ...
1
vote
0answers
2k views

Power Managements/Settings Problem with Ubuntu 11.10 [closed]

I have Acer 722 netbook with C-60 APU 1GHz and AMD 6290 graphics. I upgraded my 11.04 to 11.10 and there are less functions in power managements, I have no control when my machine sleeps, hibernate, ...
1
vote
0answers
200 views

Why is my laptop cutting out after installing a larger battery? [closed]

This is a recurring problem I have had for some time. Around a year ago I installed a larger capacity battery (the kind that sticks out the back), on my HP 6715b laptop. When running on battery power ...
1
vote
1answer
146 views

Can I install the current version of Unity in an older version of Ubuntu?

Is it possible to install current version of unity of 11.10 in 10.10 as I'm fed up with the power issues of current kernel version and would like to revert back. If I revert back to previous kernel ...
2
votes
1answer
5k views

Enabling the power management for SATA link [duplicate]

After tearing down my laptop, I came to know that most of the heating issue in my laptop is caused by HDD. Powertop is also showing the same problem. I am seeing significantly cooling after activating ...
0
votes
1answer
1k views

What is a realistic date for the kernel power regressions fixes?

Linux kernel has cumulated multiple power management regression bugs which make systems affected barely usable. A system that works at 30/30 temperatures on Windows during office work may work on ...
3
votes
1answer
2k views

Dell Laptop won't shutdown / restart by itself

I recently upgraded to ubuntu 11.10 64-bit on my Dell Studio 1569. Before this I ran ubuntu 11.04 64-bit. Every time I shutdown, or restart it goes through the usual processes, and shows no error ( ...
4
votes
0answers
5k views

How do I configure an action when pressing hardware power button? [duplicate]

Possible Duplicate: power button “instant”-shutdown There is no option "action when pressing hardware power-button"(shutdown, hibernate, suspend) in ubuntu 11.10. Where to ...
2
votes
3answers
1k views

Powertop is reporting 0 wakeups/second - can this be right?

I'm investigating tweaking my power consumption performance on Ubuntu. When I run Powertop, the output seems strange, and not much like any of the screenshots I see on the web. That might be ...
1
vote
0answers
198 views

How do I set my laptop to shutdown instead of hibernating/suspending when I close the lid? [duplicate]

Possible Duplicate: How do I set the power button to shutdown instantly instead of opening a dialog window? I have a Dell M4300 and the hibernate/suspend dosn't work properly. Instead I ...
3
votes
1answer
2k views

How to shutdown the computer with physical power button or by closing the lid?

Does anyone know how to fine tune power settings in 11.10 such that I can turn off the power immediately (no dialogue box) by pressing the physical power button or closing the lid? It was easy to do ...
4
votes
2answers
5k views

Closing the lid isn't toggeling standby anymore after update in Lubuntu. How can I fix that?

On my netbook closing the lid only leads to lock screen and not to standby in Lubuntu. That happened after the update on 11. 0. In 11.04 that worked without problem. Also, in 11. 10 Ubuntu (Unity) ...
3
votes
2answers
14k views

How to disable screen dimming after inactivity when this is already disabled at system settings?

When my Dell Vostro laptop is connected to the power, the screen is dimmed after 10 seconds. This is very annoying. When my laptop is running on the battery, the screen is not dimmed after ...
2
votes
2answers
619 views

Is there a specific way to extend battery life in a Toshiba netbook?

I'm using Lubuntu 11.10 on a Toshiba NB-500. The new Kernel 3.0 partially solved some issues related with overheating and absence/or/unstable wi-fi connection. But I see no improvements in power ...
6
votes
4answers
14k views

Closing lid does not suspend laptop

I'm on a Lenovo T400 laptop. In the past I had suspend problems on every second version of Ubuntu (at least it feels like it), but in 11.04 it was working perfectly. Now, after the upgrade to 11.10 ...
3
votes
1answer
1k views

How do I make the power button shut the laptop down without asking?

The energy options screen, oddly, doesn't have an option for what to do when the power button is pressed! Translating the three options: "Suspend when inactive for:" (it's set to not suspend) "When ...
1
vote
2answers
1k views

How do I prevent a HP Pavilion DV6700 from overheating?

Well this version makes my system so hot that I can use it anymore. A friend i introduced this version to wants me to completely remove Ubuntu. Specs: HP Pavilion DV6700 Windows 7/11.10 64bit Intel ...
2
votes
1answer
659 views

Why shouldn't you enable laptop-mode when on AC power?

I'm looking at ways to reduce the amount of power used by my laptop, and one of the things I came across was enabling laptop-mode. Apparently this is enabled when I'm not on AC power, but I'd like to ...
0
votes
1answer
215 views

Power management shortcut

I am looking for a custom shortcut for showing power managemnt ( like ctrl + alt + delete in ubuntu 10.10 that showed some tools for shutdown, suspend , restart , ... ) I don't know which command ...
5
votes
1answer
2k views

How do I keep my screen from going dim when idle?

Apparently, the new version of Unity is based on Gnome 3. Apparently, Gnome 3 decided to do away with a huge chunk of the options available to me. It used to be that when I went to System Settings -> ...
0
votes
1answer
580 views

Power Manager Doesn't Show Battery Charging

I just upgraded to 11.10 last night and I noticed that power manager doesn't update the battery charge %. It's been plugged in for hours and the energy hasn't changed (it neither went up or down). Is ...
3
votes
3answers
12k views

How do I add pcie_aspm=force to my boot options? [duplicate]

Possible Duplicate: How do I add a kernel boot parameter? I just upgraded to 11.10 from 11.04 on my laptop (I don't have Windows) by downloading from the Ubuntu website. The laptop battery ...
15
votes
7answers
16k views

Laptop minimal power consumption tweaks [duplicate]

I've recently installed Ubuntu 11.10 on a new Lenovo X220 laptop with a 9-cells battery. I have a trans-atlantic flight coming up, and I would like to use my laptop during it. Lenovo claims that ...
6
votes
2answers
3k views

How do I get “restart” option in the shutdown menu in Unity?

The dropdown menu I get when I click on the gear link in the top right corner only shows these options: Lock Computer Logout Suspend Hibernate Shutdown There is no "restart" or "reboot". How can ...
0
votes
1answer
517 views

How can I tell if I'm affected by “The 11.10 Battery Power Drain”?

I've seen hints at some kernel power bug affecting battery life if updating to 11.10 -- as for example here. I relation to this, I have three questions: How can I tell if my machine is affected ...
25
votes
6answers
45k views

How do I completely turn off screensaver and power-management?

I looking for a method to turn-off the screensaver and powermanager but from the command line. I'm aware this can be done via the GUI screen - but can this be done via the command line or via some ...