Linked Questions

9
votes
2answers
13k views

Ubuntu 13.04 CPU frequency scaling 'stuck' on lowest frequency

I've just installed Ubuntu 13.04 on my MacBook Air, after toying around for awhile the machine felt really slow, so I checked out the CPU frequency. cpufreq-info, it reports 800MHz on all 4 cores ...
2
votes
2answers
11k views

Vaapi not working in Ubuntu 13.04

I have a Dell Vostro 1014 having GMA 4500 mhd. I have installed vaapi driver but it shows that it supports Mpeg2 acceleration only. Actually I want to use it for playing full HD video that takes ...
4
votes
2answers
12k 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, ...
3
votes
1answer
7k views

Does TLP automatically start when my system boots?

Does TLP automatically start when my system boots? Everytime i boot into Ubuntu i open a terminal and type sudo tlp startonly then i can find the difference in the system temperature. If TLP doesnt ...
2
votes
5answers
2k views

How can I improve battery life on my laptop? [duplicate]

I have a Macbook Pro 6,2. It uses Nvidia Optimus technology and would not work with Bumblebee as the i915 driver would fail. I had to uninstall Bumblebee, install nvidia-current, and blacklist nouveau ...
2
votes
4answers
18k views

Jupiter in Ubuntu 13.10 (Laptop Overheating)

I was wondering if Jupiter (Interface for display, power and device control) will work in Ubuntu 13.10, because my laptop (Toshiba Satellite C855D, AMD A6-4400M with Radeon HD Graphics running Ubuntu ...
1
vote
3answers
8k views

Optimize Ubuntu 13.04 for netbook (Dell Mini 10v) [duplicate]

I have some slight glitches running Ubuntu 13.04 in my old beloved Dell Mini 10v. How can I optimize the graphics for it? It has got 1Gb of RAM and an N270 Atom processor. Very minimal graphics too. ...
19
votes
2answers
3k views

Android 3D acceleration in androVM with primusrun?

I have been trying an Android Virtual Machine called androVM on an Ubuntu 12.04 32 bit laptop with Intel/Nvidia hybrid graphics configuration as the guest OS (details on the graphic cards below). I ...
3
votes
3answers
6k views

Overheating problem on Ubuntu 13.04

I have recently upgraded Ubuntu to 13.04. Since this time I have overheating problems with CPU and graphic card. I also can't use fglrx drivers, because Ubuntu does not work properly, so I use the ...
4
votes
3answers
5k views

Heating issues and Fan sound on Dell Inspiron 3521 running Ubuntu 13.04

I have tried various solutions available online 1) Added pcie_aspm=force to /etc/default/grub 2) Since Jupiter is no longer available in 13.04 , installed tlp But still fan is making lot of sound ...
3
votes
2answers
5k views

Power saving with free Radeon (ATI) driver

I'm using Ubuntu 11.10 without the proprietary driver for ATI video cards and I like very much the performance. My only need is activate power saving when I use the laptop with the battery. Thanks
3
votes
6answers
2k views

Battery life low on notebook using ubuntu 11.10 vs. windows 7

Im using a brand new Dell XPS notebook (bought mar 2012) which has 4.5 hrs battery life using a 6 cell battery-when i use windows 7. The machine uses an Intel core 17 2670qm processor, and a 64 bit ...
5
votes
2answers
4k views

Why does Ubuntu have about 2x shorter battery life than OS X on MacBook?

Ubuntu 12.04 has about 2x shorter battery life than OS X on my MacBook Pro 2010. What are the technical reasons for this? Is it because OS X uses some hidden firmware features? Can Linux somehow ...
0
votes
1answer
7k views

Power Savings and Performance Modes on Ubuntu System

This might be the only thing I miss from windows. There is no way to tell the system to run in high performance mode or in power saver mode. May be this feature which is already there and I am ...
0
votes
1answer
13k views

How to install Jupiter on Ubuntu 14.04 LTS? [duplicate]

I have made some research how to install Jupiter on Ubuntu 14.04: In therory: download the program (noarch.rpm) from sourceforge convert .rpm into .deb, by using alien program; add missing jupiter ...

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