Questions related to power management, particularly power saving measures.

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2
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0answers
11 views

My fan is always on but not in MSWindows (HP elitebook 8460p)

Problem: My laptop(new) fan is ALWAYS on. Question: What can I do to solve this issue? Situation: HP Elitebook 8460p Ubuntu 12.04 LTS (clean install, no mod, nothing... really clean... no ...
0
votes
0answers
6 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
0answers
15 views

wrong battery report on asus k45dr

I bought new asus laptop with series k45dr and there is something wrong the battery, it always show that it fully charged , even though i have used my computer for more than an hour then without ...
0
votes
0answers
10 views

Change brightness automatically depending on power source in 12.04

I'm running Ubuntu 12.04 on a HP G61. When I used to use Windows in this machine, my screen to autodimmed when unplugging AC (i.e. running on battery), and brightness was restored when plugged again. ...
0
votes
0answers
11 views

disable display power saving on primary screen

Hi I would like to disable my linux server power save function. I was running a console program constantly generating screen print out. and after a while the power saving ticks in to turning off my ...
0
votes
1answer
58 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
0answers
14 views

Log the power usage from electric grid?

is there a way to log the power my computer uses from the electric grid (i.e. power plug)? When on battery, I can obviously use powerstat. Any how can log this to a file? Here's an example: ...
1
vote
0answers
81 views

fan noise and high battery consumption with AMD hybrid graphics

as described here dell 7520 (inspiron 15R SE), fan on full speed on 12.04, 12.10, 13.04, i still have problems with my energy comsumption and fan noise under ubuntu 13.04. i could reduce it to a ...
0
votes
0answers
49 views

Laptop running Ubuntu battery management issues

I am a newbie to Ubuntu (after dumping 3 other distros) and have seen a terrible battery management from Ubuntu. I use a HP DV7 17" 8 gb ram beast with about 30 minutes of battery power since I ...
0
votes
1answer
40 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
71 views

How do I turn down GPU heat / usage on a Sony Vaio Z21?

I have a Sony Vaio Z21 (VPC2) and am experiencing some GPU heat/usage issues since kernel 3.2 up till 3.9. I have installed laptop-mode-tools, configured powertop and added the following to grub: ...
0
votes
0answers
25 views

Ubuntu crashes when on battery power

I've got an HP 2510p (with a mic problem..) with Ubuntu 13.04. When I use it plugged in to the A.C. supply, so far so good. When I disconnect the A.C. supply, Ubuntu crashes. Same thing happens when I ...
2
votes
3answers
62 views

Missed power est. column in powertop?

I used powertop v.2.1 under Ubuntu 12.04 but it missed the power est. column. It's the same situation as described here‎ and that bug is supposed to be fixed already. I tried lm_sensors but it ...
0
votes
0answers
39 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
1answer
82 views

How to stop screen going black after 10 min

My OS is Lubuntu 13.04. After 10 mins of inactivity the screen goes black. What I did to stop it without effect: uninstalled xscreensaver completely in power setting I set to never blank the screen ...
2
votes
2answers
101 views

Shut down acts as restart?

I've installed Ubuntu (almost all latest versions), when my Acer Aspire V5-471 is want to shutdown from Ubuntu, it acts as restart/reboot. Refer to edit 2 for releases tried and edit 1 for tried ...
-1
votes
0answers
37 views

How to find different Intel processor's P-states? [closed]

Different p-states will let processor core work at different frequency level and voltage level. It's enabled by Intel Enhanced Speedstep technology. I want to do some power management research. ...
0
votes
0answers
46 views

Low battery life on ubuntu 13.04 [duplicate]

Config: laptop MSI CR650 - 229XBY AMD E-450 Radeon HD 6320 (512mb) - Proprietary driver HDD: 500Gb OS: Windows 7 Home Premium SP1 (x64) and Ubuntu 13.04 Raring Ringtail (x64) Steps: 1.Clear Install ...
0
votes
1answer
182 views

How to get Jupiter in Ubuntu Gnome [duplicate]

So I switched from ubuntu to gnomebuntu today, and proceeded to try and install all the apps that I had found invaluable with ubuntu. I have run into a road block with jupiter, and was wondering if ...
0
votes
0answers
24 views

Monitor ramdomly powers off

I'm having a problem with notebook screen on Ubuntu 13.04(for what i remember it happened on 12.10 too), sometimes( i think at least, mostly when playing games) the monitor just powers off, but the ...
0
votes
0answers
206 views

My ubuntu 13.04 x64 cann't do cold boot in battery?

I am using HP-Pavilion G6-2005ax, powered by AMD APU A8-4500M, 4GB RAM, 500 GB HDD and AMD Radeon HD7670M 1GB. I am using Ubuntu 13.04-amd64 version. While I am doing cold boot on battery, the Lap ...
0
votes
0answers
25 views

Ubuntu wont suspend with external monitors attached to my laptops when closing the lid or clicking suspend from the menu bar

I've had this problem for a few releases and it affects all of my laptops; I specifically have this issue on an alienware m14x, a lenovo ideapad y530, and an acer aspire 4720z. If I unplug the ...
1
vote
0answers
30 views

How to Cycle Power to a PCI Device with setpci

If I have my vendor and device ID of a PCIe card, how can I cycle power to that card using setpci? eg: setpci -d 118d:3000 _________ I'm comfortable with Ubuntu, but I'm no expert by far so please ...
0
votes
1answer
42 views

How to switch off devices and ports for power saving in Lubuntu? [duplicate]

In Windows Vista I can switch off via power management: PCI Express Modem port Optical DVD drive Via network connection I disable: Blutooth How can I do similar in Lubuntu? Under Power Manager I ...
25
votes
3answers
4k views

Is there a power saving application similar to Jupiter?

I have installed the 13.04 final release and so far I am loving it more 12.10. I'm trying to install the Jupiter power settings app but, I read it is no longer compatible with the new kernel. Is there ...
0
votes
0answers
96 views

Extremely short battery life in Ubuntu 12.10

I have dual operating systems on my laptop. While I am using Win7 I work 3-3.5 hours on balanced mode. Unfortunately with Ubuntu the lifetime declined to 1.2 hours. How can I achieve the same battery ...
0
votes
0answers
34 views

Don't suspend on login screen - Ubuntu 12.10?

I set my power settings to "Don't suspend" when I close my laptop lid on both battery power and AC. Is there a way to prevent suspend from the login page too? It seems it's taking effect on my account ...
0
votes
0answers
436 views

Ubuntu 13.04 Kernel 3.8.0-19-generic Freezes when power cord is connected [closed]

When the ac power cord is connected the system freezes, and when is disconnected it gets back to normal. esigolo@esigolo-note:~$ uname -a Linux esigolo-note 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 ...
0
votes
0answers
46 views

Problems with Ubuntu 12.10

I recently installed Ubuntu 12.10 amd64 64 bit on my Samsung laptop with AMD A8,ATI Raedon HD 7xxx and 6 GB of RAM and I have following problems: My battery charging time is not at all accurate or ...
0
votes
0answers
61 views

Ubuntu 12.04 repeatedly failing to wake up after lid close

I have Ubuntu 12.04 on a Toshiba Satellite A300 - 210. Quite often, waking up from suspend mode fails with blinking screen. Here's what happens: Close laptop lid to suspend Ubuntu. Open the lid to ...
1
vote
0answers
48 views

Message: “Battery dies in few seconds” -Bad battery-status or problem with power management?

I'm still a beginner, but I have used Ubuntu and other distros before. I run a German setup so I'm not shure about the correct words. So here's the problem: My netbook (ASUS X201E) with fresh Ubuntu ...
2
votes
1answer
85 views

Turning off battery management on desktop

Just installed Ubuntu 12.04 on a Dell Optiplex GX280 desktop computer. When I hook up my bluetooth mouse and keyboard it seems to recognize their batteries as the actual battery of the computer. As if ...
1
vote
0answers
54 views

How to get around graphical issue when “waking” computer from suspend?

I've checked a few of the similar questions. But they have provided no viable answer. I would rather not install Nvidia drivers. Because I've had nothing but trouble with them. But to the problem. ...
0
votes
0answers
59 views

Disabling or changing external eSATA HDD standby timeout

I have a Freecom Quattro 3.0 2 TB drive (a Seagate Barracuda ST2000DL003) connected via eSATA to my Lenovo L420 Laptop running kubuntu 13.04. It is running very well but after about 2 minutes of ...
0
votes
0answers
47 views

Laptop won't sleep: Package power limit notification

I'm fairly new to this. I've been using Ubuntu 12.10 for a few weeks now, have used this site to fix a couple problems already. I can't seem to find a fix for this though: I am using an Asus x201e ...
3
votes
2answers
53 views

How do I find out if an external drive is in active use (being read/written to)?

I have some external drives connected to a power outlet. The outlet is USB switchable, i.e. I can run a program on my PC that physically disconnects the external drives from the power grid. I only use ...
0
votes
0answers
19 views

SSH login wakes spun-down storage drives

I'm running 12.04 on a home server/HTPC, and have several storage drives which spin down using values set in /etc/hdparm.conf. Sometimes, logging in via ssh causes some or all of the drives to wake ...
1
vote
1answer
123 views

About powering USB device on Linux: Android camera app recognizes USB camera but Ubuntu doesn't

On my notebook, I have a USB camera, 32-bit Ubuntu 10.04 running on SD Card and Android Jelly Bean on flash memory. Ubuntu doesn't recognize the camera (even the USB port), cause it doesn't offer any ...
0
votes
0answers
62 views

is there specific drivers for Lenovo ideapad z570

I am running Ubuntu 12.04.1 on my Lenovo ideapad z570 (without LTS enablements). Everything works good. But it has OneKey Recovery button, which is a quick and easy to way back up and recover system ...
0
votes
1answer
125 views

Ubuntu 12.10 is draining my battery really fast [duplicate]

I'm new to Ubuntu and I'm not a developer to know how to write codes. I downloaded it couple of days ago but it is killing my battery, it almost lasts an hour and couple of minutes while it holds for ...
0
votes
0answers
37 views

Laptop charging speed reduced after installing Ubuntu 12.04

I recently installed Ubuntu 12.04 in my laptop, previously running Windows 7. After the battery is out, I charges my laptop, then the battery have been full next day.
2
votes
1answer
66 views

Increase the disk spindown timeout

When my laptop (running Ubuntu 12.04) is on battery, the disk powers off after a few seconds of inactivity — about 20s. I use lightdm to log in, and have some Gnome components running (I have ...
3
votes
1answer
34 views

Can my settings be customized automatically when I boot on battery power?

Is it possible to tweak settings if and only if the computer starts on battery power? Why? I usually work without battery, but when I use a battery I want it to last as long as possible. For that ...
0
votes
1answer
33 views

UPS beeping on mouse scroll or other events

I have this hardware problem, my UPS battery beeps a lot when using Ubuntu (not so much on windows), so I am thinking that it may be a interrupt problem or a power surge of some sort. The strange ...
1
vote
1answer
94 views

Is there a user-friendly setup to reduce performance and fan thresholds?

My Dell Vostro 4450 with Ubuntu 12.04 started heating (>95°C) when its on heavy load and charging battery (sometimes it freezes in this conditions). When on heavy load but using battery, it stabilize ...
2
votes
2answers
226 views

Much lower battery life on Ubuntu and laptop heating up badly

I have the following config laptop: System model: HP Pavilion g6 Notebook PC Processor: AMD A8-4500 APU with Radeon HD Graphics (Quadcore 1.9Ghz) Memory: 6Gb RAM Graphics:AMD Radeon HD 7640G+7600M ...
0
votes
0answers
32 views

Voltage Situation

I have recently installed an AMD video card to my hardware setup, and I'm getting this when I run the sensors command: coretemp-isa-0000 Adapter: ISA adapter Core 0: +62.0°C (high = +76.0°C, ...
0
votes
1answer
131 views

How can one disable Wi-Fi power management when using Jupiter?

Background and Problem My laptop (Lenovo ThinkPad X131e 3372-2VU, running Ubuntu 12.04 LTS) freezes when Ubuntu tries to manage the wireless interface's power. I had to manually disable wireless ...
2
votes
1answer
63 views

Getting powernap's IOMonitor to work with postgresql

I have a 12.04 box running postgresql 9.1.8-0ubuntu12.04, which serves a Java webapp (an Atlassian Confluence wiki). I'm trying to take advantage of powernap's IOMonitor feature. However, if I ...
2
votes
1answer
84 views

How to prevent CPU governor from changing automatically on laptop power?

I noticed when I plug-in or unplug my laptop's AC adapter, the CPU scaling governor changes to ondemand. Because my laptop gets fairly hot, and I do nothing intensive on it, I prefer powersave at all ...

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