0
votes
0answers
24 views

Battery & Fan issue

System ASUS N56VJ Ubuntu 14.04 - 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Issue: Sometimes when I start up my laptop, the fan turns on at full ...
-1
votes
0answers
16 views

Problems with dual boot

I have windows-8 on dell inspiron. I dual booted it with ubuntu 14.04 Windows and ubuntu share the same partition ("Local Disk C"). From then, I am facing a lot of problems. 1. PC hangs suddenly. 2. ...
1
vote
1answer
189 views

Keyboard and touchpad stopped working after battery drain in Samsung notebook

I was watching a video on my Samsung 400B4B notebook running Ubuntu 14.04 when it went to sleep because of low battery level. I plugged the AC power, resumed from the sleep but now the keyboard and ...
2
votes
4answers
1k views

ASUS N550 laptop not charging on ubuntu after updating kernel

I'm using Ubuntu 13.10 on a pretty new ASUS N550jv laptop. When I was using kernel linux-image-3.11.0-11 everything was quite well (kinda..), however, when I updated the kernel using the automatic ...
-1
votes
2answers
227 views

Battery is getting drained very fast

My laptop is approx. 18 month old. I have changed the internal hard drive recently and I have Ubuntu installed on the system. The problem is my laptop's battery is draining very fast. When it ...
1
vote
1answer
43 views

Battery: uncharging?

I have a Lenovo Laptop (G470). My OS is Ubuntu. Five minutes ago my computer said that only two minutes were necessary in order to have the battery fully charged. Right now the indicator says that I ...
0
votes
0answers
49 views

Ubuntu sleeps after disconnecting power

I've Lenovo S400 laptop, dual boot with windows 7 and ubuntu 13.04. The problem is that whenever I disconnect the power adapter, ubuntu shows that that battery level is critically low and goes to ...
5
votes
2answers
4k views

Lenovo Energy Management - Battery life on dual boot

For nearly two years I was running only Ubuntu on my Lenovo G570 laptop. Recently I changed to dual-boot with arrival of Windows 8.1 Preview. With that I installed some Lenovo provided applications, ...
1
vote
2answers
102 views

Why wont new hard drive use battery power?

I recently replaced the hard drive and the battery on my HP G62 laptop, Ubuntu 13.10 is installed on the drive. The machine will not boot on battery power, but works fine when plugged in. When ...
-1
votes
3answers
3k views

Battery won't charge on new Asus laptop (ubuntu)

Hi I bought a brand new Asus Q550L notebook from Bestbuy the other day and I removed Windows 8 from it and replaced it with Ubuntu. Now the battery won't charge. It is sitting at 45% capacity, if I ...
0
votes
1answer
136 views

Linux drains battery

I have a Lenovo ThinkPad L412 with a non-overclocked i5 2nd gen, 4GB RAM, and a Radeon HDv545. Whenever I use Windows and have possibly battery intensive applications running, the battery still lasts ...
1
vote
1answer
2k views

My laptop freezes when on battery?

So, first and foremost I have an HP2510p with 4GB ram running Windows 7 Ultimate 64-bit (I had Ubuntu 13.04 64-bit before but the problem was there so it has nothing to do with the OSs). I also know ...
0
votes
1answer
552 views

How to pass parameters to a Linux kernel with grub?

I have posted the question "Kubuntu 12.10 laptop battery dropping fast" and there i have received the answer as accept As advised on another Stack Exchange forum, the procedure to accomplish an ...
1
vote
1answer
695 views

Optimizing battery life for ThinkPad T430u in Xubuntu

I recently purchased a Lenovo ThinkPad T430u, and installed Xubuntu. I've noticed it has poor battery life. How can I optimize the battery life? Is this a problem with the desktop environment, or ...
2
votes
1answer
2k views

ubuntu12.04 hangs at checking battery state

My 12.04 system hangs at "Checking battery state". At this stage, no commands work eg: ctrl+alt+f1, alt+f5. I ran recovery mode, I ran the command sudo mount -o remount, rw sudo dpkg-reconfigure gdm ...
1
vote
2answers
472 views

Ubuntu can not shutdown on battery

My laptop is Thinkpad x220, installed with Ubuntu 12.04, gnome 3 desktop. It can normally shutdown before. But yesterday, it can not shutdown when on battery(neither use power off button nor shutdown ...
0
votes
0answers
257 views

Using Ubuntu, how come the screen saver is a black screen when running on the battery?

I have an F-spot screen saver made and selected to run after a time period of inactivity. When the AC is connected, the screen saver runs after the select time, but when running on battery the blank ...
4
votes
1answer
533 views

How to find out which processes consume most energy on Linux

In Linux, is it possible to know which processes consume most battery energy at the moment?
2
votes
1answer
204 views

What to look for when investigating problems with horrible battery life (Ubuntu Linux)

I've got an Ubuntu 11.04 installation on a brand new HP dv6t laptop. When I pull the charger plug, the system knows that it's on battery and seems to apply the power management rules I've got set up. ...
2
votes
1answer
353 views

How to measure detailed battery performance in Ubuntu?

I am using Ubuntu 11.4 gnome3 2.6.38-8-generic I have just inserted a new battery. However, there is no settings that show the capacity current charge time, etc. When I click the battery icon. ...
1
vote
2answers
959 views

How to maximize notebook battery longevity? [duplicate]

Possible Duplicate: What are some good practices for making sure my laptop battery serves its full life? The battery on my ThinkPad T410 only lasted for one year. Now, when "fully ...
1
vote
1answer
140 views

Programs preventing the disk from going to powersave mode, can I fix it?

I'm running Ubuntu v10.10 on my Acer 4810TG notebook. When running on battery I often get these messages from powertop: "The program 'firefox-bin' is writing to file 'cookies.sqlite' on ...
9
votes
6answers
6k views

Why Ubuntu eats more power than Windows?

I play full screen video with maximum volume or browse the Web with WiFi. Under Windows 7 my laptop works ~5 hours. Under Kubuntu 10.10 only ~2 hours. I've got Acer Aspire 1810TZ. Battery wear ...
2
votes
1answer
404 views

What are the best practices for disk spindown on a Netbook running on Ubuntu 10.04?

I have a Netbook (Samsung N210) running Ubuntu 10.04 Netbook Edition. Generally, I'm very happy with it. However, I'm not getting quite as much battery life out of it as I expected based on the ...
0
votes
1answer
499 views

Ubuntu app to keep track of battery life

I'm running ubuntu on my netbook, and I wanted a simple piece of software to keep track of how long the PC manages to stay on while on battery power. It could be something that automatically kicks in ...
5
votes
3answers
1k views

How to check if power cable is connected from the command line?

I'm running ubuntu on my notebook and I need a way to check (from the command line) if the power cable is connected. Is there any system file that keeps log of this? or is there a bash command that ...
3
votes
3answers
3k views

In Ubuntu 9.10, how do I disable the “Your battery may be old or broken” notification on log in?

Every time I log in, I get this message. It's helpful to see once, but I don't need to see it every time I log in. Is there any way to disable it?