Linked Questions
10 questions linked to/from Is "laptop-mode-tools" still relevant for 12.04 and the 3.x kernels?
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Tips to extend battery life for laptops and notebooks
This question is present as a matter of historical interest. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on ...
13
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4
answers
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How to enable laptop-mode?
Laptop-mode is said to be one of the energy efficiency boosters for Linux. Now, sources I found say that to activate it you need to:
Install laptop-mode-tools.
Append LAPTOP_MODE_ENABLED=true (if it ...
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15
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2
answers
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Why does powertop still detect tunable settings on >12.04?
According to this Q&A laptop-mode-tools and powertop are not needed anymore with ubuntu 12.04 as the power savings are now included in the kernel.
So I decided to remove laptop-mode-tools from ...
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3
answers
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Is laptop-mode-tools still relevant on 13.04?
Do they make some difference? I read in Ubuntu wiki that actually it has good power configuration management out of box.
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answers
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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 ...
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1
answer
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How can I improve the battery life under 12.04 on my Inspiron 14z? [duplicate]
How do I improve the battery life of my Inspiron 14z under Ubuntu 12.04?
This laptop gets 4-5 hours of battery life using Windows (e.g. here). I've removed Windows, installed Ubuntu 12.04 and the ...
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4
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1
answer
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Ubuntu 12.10 Battery monitor problem?
With win7 I had about 4hrs battery life. My battery was fully charged and I had my laptop plugged in during the entire install of ubuntu. However, about 15 minutes after unplugging my laptop I get a ...
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1
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1
answer
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High power consumption on latest versions of Linux distributions
I have a Sony Vaio E series and I installed both Ubuntu 12.04 and 12.10. In every case, my battery life is reduced of almost a half with respect to Windows 7. The power consumption with no program ...
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2
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Loud fan and very hot pc
I know, that you don't like when someone ask same question as is answered but I try a lot of solutions and nothing helped...
I installed Ubuntu 12.10, everything is good but fan is very noise and ...
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vote
2
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Where can I locate the file that handles power configurations and HDD parameters?
I'm trying to compare the differences between how power management is handled on battery and when plugged in. As a result I want to look at the config files for the two instances. Thanks in advance.
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