Tagged Questions

1
vote
1answer
2k views

Replacing 11.10 gnome power manager with 11.04 or XFCE power manager

I am not too keen on the new 11.10 power manager control - there are less options I can tweak. Does anyone know how to replace the 11.10 gnome power manager/control with the one that comes with 11.04 ...
6
votes
2answers
2k views

Why is wireless down/strange after switching to battery or closing/opening the lid?

I noticed that, when I unplugged my laptop, or closed/opened the lid, my wireless connection dropped, every time. I tracked it down to pm-powersave, and made it stop, see below. This could also ...
3
votes
0answers
424 views

How do I stop my netbook from sleeping when I pull the power? [closed]

When I'm using my computer and unplug it, I would rather not have it go into sleep mode which it currently does. How do I fix that? A concrete example of this is the last time where I was actively ...
1
vote
2answers
1k views

Why does my laptop think my battery is dead?

I've got about a 3 or 4 hour battery life on my laptop. I've had Ubuntu 11.04 on it for a week or so now, and yesterday, it started telling my I had a critically low battery (.3%), and suspends. When ...
4
votes
2answers
3k views

How to permanently disable monitor power saver using the command line?

I have tried as following: 1. Turn off: export DISPLAY=:0.0 && xset dpms force off 2. Turn on: export DISPLAY=:0.0 && xset -dpms Which works but that is a temporary solution, which ...
0
votes
0answers
209 views

No option for power management on a Compaq 510 series laptop [closed]

I'm using compaq 510 series laptop, I have installed Ubuntu 11.04 32-bit OS desktop edition. In system preferences there is no option of power management. No battery icon visible on the menu bar near ...
2
votes
1answer
815 views

What is Kworker and SignalSender

What is Kworker and SignalSender and why its utilizing more CPU. The stats from Powertop gave these numbers. How can I optimize it. Top causes for wakeups: 28.4% (420.4) PS/2 ...
3
votes
2answers
418 views

how can I run my script automatically on ac switching

So, I wan't to run it when start work on AC and this or better other script when start work from battery I tried /etc/acpi/power.sh adding symlink to /etc/laptop-mode/battery-start It seems to ...
4
votes
3answers
608 views

will using xubuntu decrease my power usage?

I am battling with the absurd power usage of ubuntu 11.04. On windows 7 (which came preinstalled) I can get around 4:30 hours turning everything off (wifi, bluetooth, lowest brightness for screen) ...
4
votes
1answer
622 views

In terms of battery usage, which distro is more efficient between Lubuntu and Xubuntu?

Installing both on the same laptop without doing nothing more than the normal install, which one consumes less battery power at the end and makes the laptop last a little bit longer than the other, ...
1
vote
1answer
311 views

Display goes into powersaver mode tho power option for screen set to “Never” [closed]

I need to make it so the screen never goes into powersaver mode... Upon updating from 10.10 to 11.04 on two different PCs (one Dell tower, one Toshiba laptop), the display now goes into power-saving ...
7
votes
0answers
3k views

How to make powertop “Device Power Management” suggestion permanent? [duplicate]

When I run powertop on my laptop I get following suggestion: Suggestion: Enable Device Power Management by pressing the P key Doing this results in considerable saving in power usage and I would ...
1
vote
4answers
1k views

Thinkpad T410 abnormal power consumption and brightness keys behaviour

I've recently installed 11.04 on a fresh Lenovo ThinkPad T410 with a 9-cell battery, but it totally drains up from full battery after about 2:30 - 3:00 hours of normal use (mainly web surfing). The ...
2
votes
0answers
679 views

Lenovo Thinkpad R500 having problems resuming [closed]

Yesterday I installed Ubuntu 11.04 from scratch on my Thinkpad R500, leaving the default power management settings. Yesterday I closed the lid, and this morning when I opened it the laptop resumed ...
2
votes
1answer
941 views

Turning off power to Nvidia Graphics Card

I have an acer 5742G laptop with the Nvidia 540M graphics card. After I upgraded to 11.04 I have been experiencing serious battery and overheating issue. Up until 10.10 I was able to put this thing on ...
4
votes
1answer
682 views

Freeze when resuming from screensaver or monitor-sleep-state [closed]

I've installed Natty on an older Samsung desktop at work. It's a shared machine that needs no screen-locking, passwords, or anything else. (Perhaps it should have those features, but nobody would use ...
5
votes
1answer
458 views

Is there a bug report tracking the power regression in the 2.6.38 kernel?

I'm looking for an official bugtracker entry (either ubuntu, or kernel) which tracks the story of power usage regression described in: ...
2
votes
3answers
1k views

Computer restarts instead of shutting down [closed]

My Ubuntu 11.04 will not shutdown when I tell it to; it will instead restart the computer.
3
votes
2answers
781 views

Fans go in overdrive on my Inspiron 9400! What should I do?

After an update to 11.04 the fans of my Inspiron 9400 go in overdrive and never lower speed. Is this normal? It did not happen on any of the other Ubuntu releases.
17
votes
0answers
10k views

Battery life decreased after upgrade to 11.04 [duplicate]

Possible Duplicate: Why does my computer get less battery life with Ubuntu compared to Windows? After upgrading from Ubuntu 10.10, my battery life has decreased dramatically. There was a ...
1
vote
1answer
622 views

Dell Vostro 3400 reboots instead of shutting down

Well the title says it all. After the GUI button of shutdown responded to reboot. I have tried all the command there is but every time I shut down my laptop it reboots. I tried sudo halt sudo ...