0
votes
0answers
56 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
0answers
29 views

How To Install Powertop 2.3 & Permanently Save Changed Of Powertop Suggestions In Ubuntu? [duplicate]

I have Google every ppa and checked that they all have the powertop 2.1, So how can i install powertop 2.3 just recently released. How do make permanently save changes of powertop, i know i can put ...
2
votes
1answer
240 views

Integrated webcam on a Dell V131 drains the battery when not used. How to turn it off?

After using the integrated webcam, it never fully turns off and keeps hogging the battery. From powertop: The battery reports a discharge rate of 22.6 W The estimated remaining time is 0 hours, 41 ...
4
votes
1answer
3k views

How to tweak Powertop to reduce power consumption?

I am a completely new user to Linux/Ubuntu. I looked through tips on battery issues and PowerTOP but failed to find clear tips on how to tweak PowerTOP except for Toggle Tunable. Could someone look ...
2
votes
1answer
6k views

What should VM writeback timeout be set to for a laptop?

I am using powertop to check that my machine is setup in a way that will give me good battery life. After installing laptop-mode-tools all of the "Tunables" section shows "Good" except VM writeback ...
5
votes
1answer
4k views

Do 'Tunables' in 'PowerTop' help on battery life?

I installed PowerTOP 1.97 and i got many Bad in Tunables, I know i can press enter to toggle but does it really change anything? and if it does will it still be changed when i reboot? If i get ...
1
vote
2answers
1k views

How can I disable asus-nb-wmi when using battery power mode?

I'm trying to improve the battery life of my Asus U32U notebook. I'm running Ubuntu 12.04 64bit and using powertop it shows the following: PowerTOP 1.97 Overview Idle stats Frequency stats ...
2
votes
1answer
1k views

Battery time decreased on an HP ProBook 4530s

I have HP ProBook 4530s. In Windows 7 after installing all HP drivers the 6-Cell battery works perfectly for 2+ hours but in Ubuntu 11.10 and now in 12.04 the battery time is not sufficient. It works ...
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 ...
3
votes
1answer
4k views

How to enable the CONFIG_PM_ADVANCED_DEBUG kernel configuration option [duplicate]

Possible Duplicate: What is kernel configuration? I'm trying to save the battery power. For that i'm using powertop and one suggestion is "Enable the CONFIG_PM_ADVANCED_DEBUG kernel ...