Linked Questions

2
votes
4answers
3k views

Short Battery life for dell xps 15z

I bought dell xps 15z and installed Ubuntu 11.10 on this laptop. Laptop and ubuntu liked me. But I have problem with battery life. In windows it can 4-5 hours, but in ubuntu it is not more 2 hours. ...
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 ...
9
votes
3answers
16k views

How to disable auto power off of usb devices like usb mouse?

I don't know how , but somehow automatic power-off of usb devices got accidently enabled. Now my usb mouse goes off even if it's idle for 2-3 seconds. it's really irritating. help?!!!!! P.S. This ...
0
votes
0answers
25 views

Some problems with Ubuntu (particularly Hardware Decoding)

I'm new here and I have no experience using Ubuntu. I have finally decided to install Ubuntu 14.04 on my Netbook. Acer Aspire One 725 CPU: AMD C-70 APU Dual-Core 1.33 GHz GPU: AMD Radeon HD 7290 ...
0
votes
2answers
230 views

how to fix ubuntu overheating

I'm new to Ubuntu but not to Linux and this is the first time overheating has been an issue for me. I'm using the latest version with all the updates installed and my computer has a Intel Core ...
0
votes
2answers
127 views

Can I use TLP and CPUFreq at the same time?

I just started using ubuntu 14.04 recently. I read that it's good to have CPUFreq or TLP. I was wondering if it would be okay to have both. Would it cause any problems with the computer performance if ...
27
votes
8answers
29k views

How do I make Powertop changes permanent?

I'm on a Compaq 615 and it's fan is loud. 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 to ...
2
votes
1answer
6k views

Enabling the power management for SATA link [duplicate]

After tearing down my laptop, I came to know that most of the heating issue in my laptop is caused by HDD. Powertop is also showing the same problem. I am seeing significantly cooling after activating ...
0
votes
0answers
15 views

What is your TLP configuration? [duplicate]

I'm searching for a way to extend my battery life. And I found TLP. I'm still not really sure is this TLP works. Can anyone tell how can I know if this TLP works in my laptop? If you do custom your ...
3
votes
1answer
201 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 ...
10
votes
4answers
3k 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 ...
2
votes
1answer
679 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
7k 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
14
votes
3answers
51k 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 ...

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