Questions about battery usage and issues in Ubuntu.

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5
votes
2answers
2k views

Where do I set use_time_for_policy?

Where do i find the "use_time_for_policy" fix in ubuntu 11.10 Oneiric Ocelot? This post fixed it before. Laptop immediately suspends when going onto battery power I installed dconf-tools ...
2
votes
2answers
2k 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 ...
1
vote
1answer
970 views

How do I get rid of double battery monitor status? [duplicate]

Possible Duplicate: Two battery indicator symbols, how do I get rid of one? It seems there is a bug that displays an extra battery monitor in Oneiric. From what I found, it is not right in ...
7
votes
1answer
2k views

How to check charged percentage of battery and to adjust its thresholds?

I was wondering how to check the current charged percentage of battery on my Lenovo T400? I forgot which program I used to control the battery to stop charging at 60% and start charging at 40%. Now ...
4
votes
3answers
671 views

ACPI 30k+ interrupts per second

My computer is currently doing something like 30k+ interrupts per second. This causes battery issues as well as the CPU being always stuck at the highest speed, making it very hot (overheating.. 75C ...
6
votes
3answers
1k 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
2answers
798 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 ...
2
votes
1answer
544 views

Battery starts discharging after charge

In Ubuntu 10.10 and 11.04 my Dell mini 9 starts to discharge and run off of battery very soon after it is fully charged while it's still plugged into the the power adapter. If I restart it still ...
4
votes
2answers
2k views

Is there any way to check the battery percentage of Apple wireless peripherals?

I have an Apple Wireless Keyboard and a Magic Trackpad, and I was wondering if there is a way to monitor the battery life remaining/percentage like there is in OSX.
1
vote
0answers
229 views

Laptop Battery message estimating forever or appears twice [duplicate]

Possible Duplicate: Battery indicator is stuck on “estimating”? My Dell stays at estimating forever and sometimes appears twice mentioning the same problem!. It does not change ...
6
votes
2answers
2k views

Battery Indicator shows wrong percentage [closed]

Anyone have any idea what's going on with the percentage? (I wish my laptop was that awesome...)
0
votes
1answer
194 views

Does using Screenlets affect battery life on a notebook?

I just read about Screenlets. I was wondering if using Screenlets will affect the battery life of my notebook?
2
votes
1answer
2k views

'No Battery Present' on a Toshiba Satellite L655

I use toshiba satellite L655 laptop, I recently installed Ubuntu 10.10. In gnome-power-manager there is no tap for 'On Battery'. When I run the command: dmesg | grep batt it returns: [ 0.752856] ...
1
vote
1answer
250 views

Battery doesn't charge on high CPU load

When my CPU load rises the battery stop working I don't know why i.e If I start playing a game such as counter strike source the battery won't change unless I minimize the window which brings the ...
8
votes
3answers
10k views

Is there any utility to check whether my laptop battery is in healthy condition or not?

Is there any utility available on Ubuntu to check whether laptop battery is in healthy condition or not?
2
votes
1answer
1k views

Turning off power to Nvidia Graphics Card

I have an acer 5742G laptop with the Nvidia 540M graphics card. After I upgraded to 11.04 I have been experiencing serious battery and overheating issue. Up until 10.10 I was able to put this thing on ...
0
votes
1answer
174 views

Is it possible to change language of battery status indicator?

I installed batery status indicator as the original was not really working on my HP laptop (stuck on estimating...). It is working fine but I was wondering if it is possible to change language of that ...
1
vote
1answer
1k views

Lenovo Y560 won't boot unless it's on AC power

I have a Lenovo Y560 and have installed Ubuntu 11.04 (64 bit) via Wubi. When I start the notebook on battery, Ubuntu hangs before the login screen. Any workarounds?
18
votes
0answers
10k views

Battery life decreased after upgrade to 11.04 [duplicate]

Possible Duplicate: Why does my computer get less battery life with Ubuntu compared to Windows? After upgrading from Ubuntu 10.10, my battery life has decreased dramatically. There was a ...
5
votes
1answer
5k views

Is is possible to calibrate the battery for my Lenovo IdeaPad S10e laptop?

On a MacBook with MacOS X, it is possible to "calibrate" the battery to optimise its performance and sync up the battery meter with the current battery charge. I have a Lenovo IdeaPad S10e running ...
1
vote
2answers
2k views

Is there a Battery indicator?

Generally when using my laptop, in Maverick the battery icon used to show up in the panel giving me an indication of the battery status and also allowing me to set the performance of the machine like ...
3
votes
1answer
1k views

Lenovo Y460 won't boot most of the time unless plugged in

My laptop won't boot Natty beta 2 unless it is plugged in most of the time (like 2 out of 3 times). After it is booted I am able to unplug it and let it run on battery power with no problems. ...
3
votes
2answers
1k views

Battery not recognized on my laptop (and it recognizes my laptop as a desktop)

I have installed Ubuntu (both 10.10 and 11.04 pre-release) on my laptop but my battery is not recognized and it is detected as a desktop system rather than a laptop. I have tried to get the output ...
47
votes
5answers
73k views

How can I limit battery charging to 80% capacity?

I just learned that some Lenovo laptops include a utility that offers to limit battery charging capacity to within 0–80% in order to slow the attenuation of the battery lifespan: How can I do this ...
1
vote
3answers
5k views

Battery recognized and 100% charged but not working [closed]

I'm stumped. Brand new to Linux, the battery became disabled while I had Vista running on my Lenovo Z61t. It worked fine until Vista demanded I buy another license, I imagine the disabling of the ...
6
votes
1answer
992 views

Always be 100% bright when I'm using battery

When I'm using battery only - Ubuntu turns in some mode, when If I do not use my PC for about 5-10 seconds - the screeen becomes darker. Where do turn this option off? Because I often need to read ...
3
votes
1answer
2k 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 ...
3
votes
3answers
4k views

AMD Radeon HD 4250 - Fan noise and driver choice [duplicate]

I have the Asus Eee-pc 1015T - this is an AMD based netbook and it comes with a great AMD Radeon HD 4250 vga. With Windows 7 it can play 1080p HD video smoothly and during normal usage the average ...
4
votes
1answer
2k views

ext[34] `commit` option and filesystem integrity

I'm running a fairly fresh and vanilla 10.10 install, built from scratch about a month ago on an Acer Aspire 5742 laptop. I use openbox as my window manager and run neither the KDE nor Gnome desktop ...
6
votes
3answers
917 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 ...
10
votes
2answers
2k views

Where are the battery graphs?

Once upon a time, when I went to the battery icon on my netbook, I could get it to show me interesting graphs of the battery state, and how it had changed over time. Nowadays, in this time of decay, ...
5
votes
2answers
2k views

How to stop turning off sequence when power manager says that battery is too low and want to power down?

According to this thread I can disable this thing altogether but this battery-critical-power-down not always happens. Is there a way or terminal command that can stop the power manager shutting down ...
2
votes
2answers
328 views

Screen Saver Does Not Show When On Battery

I use gnome-screensaver on my system, and it operates near my expectations. One question. Is there a way to get the screensaver to show up when the system is operating on battery power only? Right ...
5
votes
1answer
1k views

My Thinkpad X201 battery is draining extra fast. What can I do?

I got a new Thinkpad X201 last week with the 6 cell battery, which is advertised to work for 5 hours. I installed Ubuntu Maverick on this machine right away. My battery life is only around 2 hours. Is ...
1
vote
1answer
691 views

Battery Indicator Error. D-Bus

So I installed the detailed Battery Indicator that was shown on OMGUbuntu, and it worked fine for a few days. Now, every time I login I get this: I tried to go back to the old indicator, but it ...
6
votes
3answers
14k views

Brand new battery is 100% charged but at 0% capacity

I just bought a brand new battery to replace one that had seemingly died. I followed the instructions that came with the battery and charged it overnight, then ran my computer on battery until it was ...
3
votes
1answer
5k views

GNOME Shell Battery Icon missing [closed]

I am just wondering..... Why is there no battery icon? It's hard to work without any battery status around. I am using Maverick, and the GNOME3 files came from git.
2
votes
2answers
2k views

What happened to sched_mc_power_savings

My laptop's battery performance is awful. I can get about an hour and a half out of it, so I've been looking for some ways to boost the power efficiency of my laptop. I saw the tip to enable this: ...
3
votes
1answer
4k views

How to enable the CONFIG_PM_ADVANCED_DEBUG kernel configuration option [duplicate]

Possible Duplicate: What is kernel configuration? I'm trying to save the battery power. For that i'm using powertop and one suggestion is "Enable the CONFIG_PM_ADVANCED_DEBUG kernel ...
17
votes
4answers
8k views

Laptop battery life drastically decreased compared to Windows 7 [duplicate]

Possible Duplicate: Why does my computer get less battery life with Ubuntu compared to Windows? I am running Ubuntu 10.10 on my Dell Studio XPS 1640 and have about one hour of battery life ...
15
votes
2answers
11k views

How to charge the battery till 60-80% only?

I just got my laptop's battery replaced and read a bit about how to prolong it's life. Most people say that the best choice is not to charge it will 100%, but rather to 60-80%. My battery is quite ...
8
votes
4answers
3k views

Application to display battery info

First of all, I am not sure the title of this question is the most appropriate however this is what I meant to say, There are many ways to extend the life of a laptop battery. One way is by not ...
6
votes
2answers
2k views

How to prevent battery from charging while on UPS

I'm running on UPS power and would like to prevent the laptop's battery from charging, to increase the amount of power available to other devices. Is there a way to do this? update The machine is a ...
5
votes
2answers
2k views

Battery status not showing

How do I keep the battery status on as to see how much life is left in my battery? I configured this to be on all the time in the power management but it only shows the amount left when I am charging ...
4
votes
4answers
2k views

Battery loading state on commandline?

Sometimes the energy status applet on my gnome panel suddenly disappears. Is there a simple command to print loading state of the battery at commandline?
2
votes
0answers
609 views

Workaround for misbehaving Battery Notifier (always estimating) [duplicate]

Possible Duplicate: Laptop's battery is stuck on “estimating”? I know this is a known bug which has been asked before but I hope that until now there might be a fix or ...
2
votes
1answer
1k views

Battery life greatly depreciated in 64-bit when compared to 32-bit

I have a Dell E6400 and have been using Ubuntu on this machine for just over a year. Previously I used 9.10 on 32bit. When I upgraded to use 10.04 I remained on 32bit and battery life seemed just ...
2
votes
2answers
1k views

Is there a way to permanently set the brightness level [duplicate]

Possible Duplicate: How to make GNOME remember brightness setting For the sake of long battery life I decrease my laptop's brightness as soon as I log in but when I reboot the laptop. The ...
10
votes
0answers
4k views

Battery drain on ubuntu is fast [duplicate]

My battery drain on win7 is less than that of ubuntu (around 45 min of difference). Can you advice me something to get best battery performance on my laptop? when I decrease the brightness it remains ...
3
votes
2answers
3k views

Booting ubuntu desktop into command prompt

I use ubuntu desktop 10.10 on a netbook. Quite often I use it as a proxy server (squid3) and file server (samba) for my network. So when I am using it as a network server, is it possible to boot into ...