Linked Questions

2
votes
1answer
661 views

How does Jupiter work

Jupiter is a powersaving applet, which can switch between maximum power, high power and save power. Definitely it does more than just setting the CPU speed, as the recommendations of powertop change ...
7
votes
4answers
6k views

How to correctly enable/test VA-API on Intel Sandy Bridge?

I would like to know which package I have to install and how to test that is working fine? I know there are many question similar but no one is complete and clear to me
3
votes
0answers
59 views

Battery consumption comparison of Unity, Gnome, Gnome Classic XFCE and LXDE

I would like to know what is the rank of the current LTS version in term of probable consumption of battery power -ie: for a same usage. Is the following rank probably correct, where top of the rank ...
2
votes
2answers
3k views

Ubuntu 12.04 LTS drains my Samsung Series 9 900X3C ultrabook's battery extremely fast. Is there anything I can do to fix that?

The title basically says it all. My Samsung Series 9 900X3C ultrabook's battery is in the deep red around barely three hours after disconnecting it from the power - and during most of that time the ...
24
votes
7answers
25k views

How do I make Powertop changes permanent?

I'm on a Compaq 615 and it's fan is loud as hell. Not much you can do about that but I'm trying to keep the CPU/GPU as cool as possible. This is what Powertop has to say: If I change all of them ...
11
votes
3answers
44k views

How to fix 3D Acceleration for Vmware Workstation 9?

I have recently installed Vmware workstation 9 on Ubuntu 12.04 & i have migrated my VM's from windows to Ubuntu 12.04 . Now i am getting openGL error & it says no 3D acceleration as shown in ...
0
votes
1answer
399 views

Ubuntu 14.04 draining battery very quickly

I know there are several other questions very similar to this, but I feel that questions like this are specific to the system you are running and so there is not really a "one size fits all" type of ...
6
votes
4answers
993 views

Ubuntu 14.04 draining laptop battery quicker than in 12.04 (1 hour versus 4+ hours)

I have recently upgraded to Ubuntu 14.04 on a Lenovo T420 laptop (Corei7-2620M CPU @ 2.70GHz × 4 + Sandybridge Mobile). The battery is now over 2 years old, but under Ubuntu 12.04 it still lasted ...
3
votes
1answer
224 views

How to reduce CPU temperature ?

I have Ubuntu 14.04 and an HP Pavilion laptop. When running Windows 7 the CPU is slightly hot but not much. But running Ubuntu however, it is considerably hotter. I installed tlp and my GFX card ...
4
votes
2answers
7k views

How do I turn off PCI devices?

With the purchase of an Intel SSD and 85WHr Li-ion battery and the linking of wifi and bluetooth to my laptop's wireless switch, extensive Intel PowerTop usage, switching from compiz to metacity, ...
4
votes
1answer
97 views

Squeeking noise issue with Asus laptop. Found working solution for Windows, now how to do this on Ubunutu?

My Asus laptop makes a high pitch squeeking noise/sound. It turns out that is has something to do with the CPU and its power saving settings. I have my laptop on dual-boot with Windows 7 and Ubuntu ...
0
votes
3answers
748 views

My laptop gets heated when I use ubuntu 13.04

I have a Dell Inspiron 14z 5423. intel i5 3rd, 4GB ram, 32GB SSD. I use 2 OS on dual boot Windows 8 & Ubuntu 13.04. When I use Ubuntu my laptop gets heated, but that is not the case when I use ...
0
votes
2answers
242 views

high temperature with ubuntu 14.04 [closed]

I don't know what is the problem but I installed 14.04 and now the temperature is 78c any help please because this laptop will be burn my legs thanks
-1
votes
3answers
2k views

How can I increase battery life in Ubuntu?

I really like Ubuntu, and I want to work with it always instead of windows. But the problem I find is that the battery runs out very fast (< 2 hours) when I use Ubuntu. It would have been great if ...
0
votes
0answers
148 views

Hardware accelerated video playback using mplayer [duplicate]

I'm running Ubuntu 14.04. I need video acceleration for MPlayer. I found this blog that gives me the information. http://www.webupd8.org/2012/11/install-mplayer-with-va-api-hardware.html But the ...

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