0
votes
0answers
8 views

glitchy screen on laptop close

when ever I close the lid on my laptop, no matter if its in suspend or do nothing mode, it starts to glitch. when it glitches it goes black and comes back on when the mouse is moved around, but it ...
0
votes
1answer
60 views

To control battery at a certain capacity (for ex.20%) then the laptop will be automatically standby or hibernate for long-lasting the battery

I would like to control for setting my battery at a certain capacity (for ex.20%) then the laptop will be automatically standby or hibernate for long-lasting the battery. Is there any solution, ...
0
votes
1answer
41 views

Strange behaviour when close the lid of my MBA

I have an MBA and I'm used to close the lid without any problem in OSX. I've installed ubuntu 13.04 in dual boot with rEFit. The problem is that sometimes something strange happens when I close the ...
0
votes
0answers
41 views

Ubuntu not is hibernating when lid is closed

I use Ubuntu 12.04 in my laptop. I'm trying to configure to hibernate when lid is closed. However, not is working. I did the following steps to solve the problem: I enable in ...
0
votes
0answers
315 views

New battery installed but Ubuntu only recognizes 2.5 hours of life

I'm having an issue in which I have installed a new battery that will not charge to it's full capacity. I'm looking for a manner to change some setting in which Ubuntu will allow a full charge. After ...
9
votes
2answers
490 views

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 ...
0
votes
1answer
63 views

If not in charge monitor decrease brightness when not active [closed]

On my notebook I've installed Ubuntu 12.10. If not connected to the power supply after few seconds of inactivity the system will decrease the brightness. The problem is that as soon the computer is no ...
3
votes
1answer
93 views

Creating scripts

I'm following advice from LessWatts to lower battery drain with the following commands: mount -o remount,noatime / hdparm -B 1 -S 12 /dev/sda echo 3000 > /proc/sys/vm/dirty_writeback_centisecs ...
0
votes
0answers
30 views

HP G6 laptop will not suspend when on battery

I have an HP G6 laptop with 12.10 installed. When running on Battery power it never suspends and the screen never dims. When the AC adapter is plugged in it will dim and eventually suspend just fine. ...
0
votes
0answers
102 views

12.10 laptop freezes for a few seconds when unplugged [closed]

I'm running a 3-day-old 12.10 installation on an acer laptop. I started getting this problem a few weeks ago on my old installation where my laptop would just freeze up for a second whenever I ...
0
votes
0answers
211 views

Lenovo S300 does not wake up from sleep

my brand new Lenovo ideapad S300 does not resume from a sleep mode in Ubuntu 12.04 nor 12.10 both 32bit and 64bit versions. Has anyone had this problem?
1
vote
0answers
58 views

Black screen when trying to play video games

I run a wined version of steam (mostly because most of my steam games aren't avaible on the steam beta yet) and I had problems in the past with this black screen/dim screen but I fixed it, the problem ...
1
vote
0answers
197 views

Lenovo u310 will not charge when turned on

I've looked around and had several friends have a look but we cannot figure this out. I am running Ubuntu 12.10 on a Lenovo U310. The laptop charges fine when the laptop is off but it will not charge ...
4
votes
1answer
121 views

How to send an email when laptop battery is low?

Is it possible to send an email to myself when the laptop is on low battery power? I'm always online with my Android phone, but not always in front of the laptop, and sometimes I'm missing the ...
0
votes
0answers
69 views

Freezes when unplugged

I just installed ubuntu on my laptop and installation went fine, when it boots and everything. I'm using it now. The issue I'm having is if I unplug the laptop the computer freezes, I can still use ...
2
votes
2answers
860 views

Stop/start battery charging through software?

If a laptop is powered on and connected to AC power, is there a way to issue a command that tells it not to charge the battery? EDITED: Perhaps charging of the battery may be stopped if there were a ...
2
votes
1answer
2k views

Screen turns off after inactivity

My screen turns off if I'm inactive for some time, even though I disabled the setting. It happens on battery as well as on AC power. My Brightness and Lock Settings: My Power Settings: Does ...
0
votes
0answers
112 views

Can't boot laptop on battery

I can't boot my laptop to Ubuntu when not plugged into a power socket. If I do so, it loads for a bit, until my cursor appears (and I can freely move it around) and says: [code]CPU#: Package power ...
1
vote
0answers
160 views

Oops! it's a desktop not a laptop

My mother has a Desktop PC, I accidentally installed Ubuntu 11.0 Laptop on it, now the power settings are set up for a laptop. Is there any way I can change this?
0
votes
1answer
106 views

Removing AC power when laptop lid is closed doesn't suspend

While the laptop lid is closed, when I remove external power, the laptop does not suspend so i have to open the lid and close to make it suspend. When the laptop lid is open, then I remove power, ...
23
votes
1answer
9k views

Is “laptop-mode-tools” still relevant for 12.04 and the 3.x kernels?

I'm using Ubuntu 12.04 x64 and trying to choose power management software. Laptop-mode-tools have a lot of features, but the only reason why I'm worry about is that it's manual and config files are ...
0
votes
1answer
2k views

How to analysis the output of powertop to increase battery lifetime

I'm new to ubuntu using 12.04LTS .Please help me by steps.Thanks all. anoy@ubuntu:~$ cat /proc/sys/vm/laptop_mode 5 PowerTOP 1.97 Overview Idle stats Frequency stats Device stats ...
4
votes
2answers
2k 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
504 views

How to make an Asus G75 laptop more energy savvy

I just bought an Asus G75 and the battery is lasting less than 2 hours, even when doing nothing. I read somewhere that energy saving is not efficient on linux, at least by default. Is there something ...
0
votes
2answers
618 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
2answers
482 views

is it true that ubuntu effect on hdd longevity?

is it true that "Ubuntu May Be Killing my Laptop's Hard Drive"?? Please explain(if possible). http://hardware.slashdot.org/story/07/10/30/1742258/ubuntu-may-be-killing-your-laptops-hard-drive ...
0
votes
2answers
3k views

How to make my screen brightness not change when I plug my laptop in

I do not want my laptop to change brightness when my laptop power is plugged in or unplugged. I set my brightness based on how bright my surroundings are. If I am in a dark room, I set my brightness ...
6
votes
2answers
884 views

Is it possible to turn the video card off in a laptop to use it as a headless server?

Since I recently upgraded my IT infrastructure, I decided to use my old laptop as a home server. The problem is that the machine sports a powerful nVidia card that even at idle generates enough heat ...
3
votes
3answers
4k views

The battery indicator in Unity panel not showing up

I installed Ubuntu 12.04 with Wubi. Well after being completely dazzled with the amount of free content in the Software Centre, I decided to go deeper and start messing with settings. Well after ...
4
votes
2answers
5k views

My laptop keep suspending on lid close, ignoring my settings

Whenever I close my laptop's lid, it suspends and I have to enter my password to get it to resume. In my power settings, I have selected "Do nothing" for the option "When lid is closed" for both "On ...
5
votes
2answers
981 views

Ubuntu 12.04 LTS fails to recognize my laptop as laptop [closed]

This is probably going to sound like a rookie question, but I have never ever experienced such issue. I had Ubuntu 11.10 without Unity installed on my old laptop Thinkpad Z60m. Few days ago, I got ...
2
votes
1answer
844 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 ...
1
vote
1answer
183 views

Run anacron even when on battery (laptop)

There is a known behavior of anacron not to run when the laptop is running on batteries. Is there any way to stop this behavior and run anacron whatever the power state? ...
24
votes
4answers
10k views

Why does my computer get less battery life with Ubuntu compared to Windows?

Last year I purchased a Dell Inspiron 5315 laptop shipping with Windows 7 preinstalled. I installed Ubuntu 10.10 alongside it with dual-booting. On upgrading to Ubuntu 11.10, I was upset to find I now ...
0
votes
0answers
262 views

Laptop won't turn on after ubuntu update 11.10 [closed]

I've just updated ubuntu to the latest version, restarted to complete the updates. I waited for it to complete the updates and then ubuntu won't start giving me a black screen with many failures and ...
4
votes
1answer
654 views

Why is Ubuntu so power-inefficient? [duplicate]

Possible Duplicate: Battery drain on ubuntu is fast I'm currently getting 7–8 hours of battery life whilst using Windows, but I only get about 3 hours in Ubuntu? Why the big gap? Some ...
2
votes
1answer
819 views

Consuming too much power on a Dell 15R [closed]

I'm new to Ubuntu, and I've just installed Ubuntu 11.10, and I must say I really like it a lot. I'm getting used to Ubuntu faster than I thought but the only issue I'm having is the power consumption. ...
1
vote
0answers
137 views

Why is my laptop cutting out after installing a larger battery? [closed]

This is a recurring problem I have had for some time. Around a year ago I installed a larger capacity battery (the kind that sticks out the back), on my HP 6715b laptop. When running on battery power ...
14
votes
7answers
11k views

Laptop minimal power consumption tweaks

I've recently installed Ubuntu 11.10 on a new Lenovo X220 laptop with a 9-cells battery. I have a trans-atlantic flight coming up, and I would like to use my laptop during it. Lenovo claims that ...
3
votes
0answers
424 views

How do I stop my netbook from sleeping when I pull the power? [closed]

When I'm using my computer and unplug it, I would rather not have it go into sleep mode which it currently does. How do I fix that? A concrete example of this is the last time where I was actively ...
1
vote
2answers
1k views

Why does my laptop think my battery is dead?

I've got about a 3 or 4 hour battery life on my laptop. I've had Ubuntu 11.04 on it for a week or so now, and yesterday, it started telling my I had a critically low battery (.3%), and suspends. When ...
3
votes
3answers
205 views

Maximal power-saving on a laptop when sleep/hibernate is not possible?

I use a very portable laptop with Ubuntu running. On that laptop, neither sleep nor hibernate works reliably (it works sometimes and it doesn't the other times). I'm not asking how one can get them ...
0
votes
1answer
410 views

Will Samsung laptops be fully (OOTB) supported by Ubuntu?

Power management like: suspend, hibernate, open/close LID, optimal ("healthy") disc activity, internal modem, backlight control, FN keys etc. Will it be fully supported by Ubuntu out of the box? So ...
3
votes
2answers
418 views

how can I run my script automatically on ac switching

So, I wan't to run it when start work on AC and this or better other script when start work from battery I tried /etc/acpi/power.sh adding symlink to /etc/laptop-mode/battery-start It seems to ...
6
votes
1answer
700 views

How can I increase time of working from my battery?

Usually I am not even able to watch film from start to end. I use Acer Aspire 5930 OS is Ubuntu 11.04 I use Classic Ubuntu desktop (AFAIK it really means GNOME2) I know, that: I can decrease ...
4
votes
1answer
2k views

How do I enable power management on Ubuntu Server?

I have Ubuntu Server 11.04 installed on an old noisy laptop. Its only purpose is to run subversion and I commit code quite rarely, but the laptop should work all the time. So I would like to know how ...
1
vote
4answers
1k views

Thinkpad T410 abnormal power consumption and brightness keys behaviour

I've recently installed 11.04 on a fresh Lenovo ThinkPad T410 with a 9-cell battery, but it totally drains up from full battery after about 2:30 - 3:00 hours of normal use (mainly web surfing). The ...
3
votes
1answer
1k views

Low-battery-power action without gnome-power-manager

I'm running the openbox WM and would like to avoid loading the gnome stack. One of the lingering issues I have to resolve is avoiding abrupt system crashes due to depleted battery power. Is there a ...
6
votes
3answers
605 views

laptop-mode-tools and harddrive spinoff

So I wanted to extend my laptop battery life. After googleing a lot I found many tips and tricks. Some even in this site as well. Then I found this package in synaptic as well laptop-mode-tools. Now I ...
2
votes
3answers
1k views

Is there a power-management like OpenSuse?

In OpenSuse there is a applet for choosing different energy-profiles for your notebook. Are there any tools/applets that will enable those features for ubuntu?

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