Questions related to power management, particularly power saving measures.

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45 views

laptop acer 4520 wont shutdown restarts instead

Am running ubuntu 12.04 LTS, tried to reinstall the OS, fix the boot, and following the instructions in the forum but still cant shutdown. I got this when I was trying to fix the boot, any help is ...
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0answers
451 views

Keep External HDMI Monitor ON

I am running XBMC (Frodo) on an Asus U47A laptop (Intel Sandybridge graphics) with Ubuntu 12.04. The laptop is connected to an older Phillips 27" tube HDTV via HDMI. What I would like is for XBMC to ...
0
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2answers
136 views

Asus laptop power management

I have a couple of symptoms that make me think Ubuntu has some problems identifying all the components of my laptop (Asus N56VJ-S4051H). When starting the computer from the OFF status, the fan goes ...
1
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1answer
119 views

How do I fix the missing reboot/shutdown issue in 13.10?

I am one of the unfortunate who has the problem in 13.10 whereby my reboot/shutdown button is missing from the menu bar. After googling around I found the bug being submitted but the fixes (which ...
1
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0answers
190 views

Disabling suspend/sleep/hibernate on a headless Xubuntu

I'm running Xubuntu 13.10 headless via ssh and tmux. Whenever I leave the machine, making sure to have a tmux session opened, it will invariably crash after about an hour. The sign it has crashed is ...
5
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1answer
93 views

What is the power consumption difference between GUI and Shell?

I was wondering if there is any difference in power consumption between regular graphic interface mode and command line shell mode. And if it is what is the difference? Could I use Ubuntu on the ...
1
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2answers
95 views

Power-indicator shows 15% when not on AC power [closed]

When I plug my PC (Dell Latitude E5430) to power source, Ubuntu 13.10 always shows 15% in power indicator, but I know that battery is fully charged. When I disconnect the power source, it shows the ...
0
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0answers
48 views

uhci_hcd is draining my battery?

I'm an Ubuntu user for about a year. So far, I've tried Linux Mint (Nadia & Olivia) and Ubuntu 12.04 and 13.10. Currently I'm on 12.04 LTS. On all of the operations system I used, I experienced ...
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0answers
93 views

How to find CPU shutdown temperature? (Think it's called TJMax, maybe not though…)

In Windows there is a program called CPU Temp which shows various CPU temperatures, one which being the temperature at which point the computer will shut down to prevent damage to the CPU. I have a ...
0
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2answers
118 views

How do I Manually Limit CPU Usage? [duplicate]

I have an old laptop prone to overheating and a good solution I found was limiting it's CPU usage to below 50%. On Windows, I can do this by changing the power plan I am currently using, and altering ...
0
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1answer
79 views

How can I enable USB power after pc shutdown?

I'm using Ubuntu 13.10, my motherboard is : Manufacturer: Intel Corporation Product Name: DP965LT Version: AAD41694-206 I need to have a power supply from USB even when my pc is turned off. I've ...
1
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1answer
600 views

13.10 Laptop goes to sleep instead of shutting down when lid is closed

Sometimes (but not always), I use my laptop exactly like a desktop computer: I power it on with the lid closed and an external monitor and USB keyboard and mouse connected. When I later want to shut ...
1
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2answers
1k views

Ubuntu drains battery very fast compared to Windows [closed]

EDIT/UPDATE: Here is a screenshot of powertop tuning report: Link I'm very new to Ubuntu. Sorry if there are a lot of similar question to this but the answers I found from others differ from one ...
0
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0answers
147 views

How to make (k)ubuntu 13.10 automatically wake from suspend?

To put it short: In order to save energy I would like to be able to wake the computer at certain time from suspend (any working suspend method will suffice). Computer is HP Pavilion p6-2068sc Desktop ...
0
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0answers
49 views

Just got a new battery for my laptop, getting some weird readouts. Ubuntu 12.04

I have a Dell Inspiron N5010 and my old battery got old and could only hold maybe 30minutes worth of power at a time, so I got this: http://amzn.com/B0060KKW3O And I popped it in, no problem, I ...
1
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1answer
384 views

Lenovo Ideapad battery limit

I have an Ideapad Y400 running Ubuntu 13.10. It previously ran Windows 8, and had a Lenovo utility to limit the battery charge to 60%. Now that I've installed Ubuntu, of course, the utility is gone. ...
1
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0answers
120 views

Xubuntu not shutting down

I've installed the xubuntu-desktop package onto my Ubuntu 13.10 install. I like the look and the feel of the Xubuntu desktop however, I'm running into several issues: Shutting down / logging out ...
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0answers
42 views

My system restarts after sleep/suspend

I just replaced windows 7 on my old machine (4 years) with Ubuntu 13.10 and the installation seemed smooth. However, when I do a wake-up call from suspend/sleep, the laptop restarts when I shutdown, ...
0
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0answers
166 views

My laptop battery drains quickly after unplugging!

I used ubuntu 13.04 and I didn't have any problem but after upgrading to 13.10 my laptop battery drains quickly after unplugging!I dont know why but it shows the battery charge wrongly . When I unplug ...
2
votes
1answer
359 views

Why is my notebook going to sleep when lid is closed even If I disabled it?

Here is my situation: I installed Xubuntu 13. 10 I added the Cinnamon PPA and installed Cinnamon 2. 0 I removed all the GNOME stuff, that came with Xubuntu Everything went fine so far...but... ...
0
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0answers
107 views

Display Power Management not working in 13.10

I noticed that my display, under 13.10, was no longer shutting down (go to standby?) after 10 minutes (the setting I use in System Settings>Brightness & Lock). I decided to try xscreensaver ...
1
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0answers
35 views

a step away from hibernate! [duplicate]

I'm having trouble enabling my hibernate feature. I have installed Ubuntu 12.04 LTS 64bit using Wubi on my Asus N53SN hybrid laptop ( Intel + Nvidia). After Updating through ubuntu Update manager AND ...
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0answers
75 views

How do you get the display to automatically shut off in Ubuntu 13.10?

The display will not automatically turn off after 10 minutes, even though it is set to do so in the Brightness & Lock under System Settings. Running these commands in a terminal will cause the ...
0
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0answers
28 views

Laptop suspends when switching to F1-F6 terminals; lid closed, external monitor

As the title says, the laptop automatically suspends without my telling it to do so when I switch from X (Gnome-Shell 3.10) to the F terminals. The power settings are set to never suspend, and the ...
2
votes
1answer
370 views

Wake-on-lan power on the system but doesnt start Ubuntu?

I have followed these instructions everything worked pretty fine but I have got this problem when I run the wakeonlan mac-adress-of-the-machine it turns the system on but doesnt start the Ubuntu ...
0
votes
1answer
140 views

How to cut off the power supply of the mouse, keyboard and speakers after shut down my computer?

How to cut off the power supply of the mouse, keyboard and speakers after shut down my computer? Although the computer is shut down, the light of mouse, keyboard and speakers are still here. It ...
0
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0answers
47 views

upower do not execute power.d scripts if started on AC power

If I turn on my Notebook on AC power then upowerd igneres power.d scripts. the output of $ upower -d ... on-battery: no does not change to "on-battery: yes" if I pull the power cable. ...
1
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0answers
99 views

Apple aluminium keyboard hub is supplied to little power

I have an Apple aluminium keyboard with an integrated hub. On Mac OS X, I'm able to connect both my mouse and a USB pen drive while on Linux, the power limit is exceeded when connecting more than one ...
0
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0answers
356 views

Standby Mode (suspend) not working on my computer

When trying to turn the state suspend state the screen goes black, and after one second computer returns to the desktop. My motherboard is Asus P5N-MX Log from /var/log/pm-suspend.log: Initial ...
15
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6answers
1k views

How can I optimize Ubuntu for minimal energy usage?

How can I optimize Ubuntu for minimal energy usage? I use my laptop for development, but also for writing. I have a 9 hour flight coming up and a 6 hour battery life when already using limited ...
0
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0answers
121 views

xubuntu xfce power manager show pm icon for wireless mouse

I have just installed xubuntu 13.10 and except for a few things everything is great, but I have a slight problem with the pm icons. The xfce power manager shows one icon for laptop battery and another ...
0
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2answers
366 views

How to avoid shutdown on critical battery?

There exists a well-known bug in gnome-power-manager, which breaks Ubuntu on computers with 2 or more batteries. If one is empty, Ubuntu will shutdown ('critical battery'). As a workaround, it can ...
0
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0answers
80 views

Turn off wifi when lid is closed

I use xubuntu 12.10. When i close my laptop lid, it goes to standby but, the wifi light stays on. When in windows, Wifi is turned off when lid is closed without any problem/configuration. How do i ...
0
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0answers
71 views

CPU frequancy stuck at 1.20 GHz using TLP?

I have installed TLP for power optimization on Ubuntu 13.10. Instructions I start computer its running fine I can change the CPU frequencies to whatever I want, but after some time it stuck on ...
2
votes
2answers
334 views

Thinkpad X1 Carbon won't suspend after upgrade to 13.10

I upgraded to 13.10 and have since had problems with suspend when I close the laptop lid. Prior to the upgrade, if you closed the lid it suspended the computer and all was well. After the upgrade ...
0
votes
1answer
65 views

Battery failing on Acer Aspire One 722 when starting

I have been running Ubuntu 13.04 on my Acer about month ago, it has worked perfectly, but some days ago the battery hasnt allowed the computer to start. It starts normally with the computer connected ...
0
votes
3answers
64 views

Cronjob for specific hours

I need a cronjob with criteria to power on/off a TV on the basis: Mon-Fri, power on the screen at 07.00 and power off the screen 17.00. Friday after 17.00 to Monday morning to be powered off. I'm ...
1
vote
1answer
279 views

How to disable powerbutton in 13.10 minimal?

I have my IR receiver connected to the physical power button for turning on and there's a separate remote button for turning off. How to disable the power on button from shutting down the computer? ...
1
vote
1answer
48 views

Where can I find the power management settings?

How can I change the energy savings settings? I want the program to turn off the screen after three minutes and go on stand-by after 7 minutes. Thanks
0
votes
1answer
479 views

Kubuntu Energy Saving event on power button pressed not working

My Aspire 1810TZ is running Kubuntu 13.10 on an encrypted drive. I have enabled hibernation in file /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla [Re-enable hibernate by ...
0
votes
0answers
53 views

suspend not working

I am running 13.10 on an ASUS 101-SE netbook. Under "power settings" I have selected suspend when inactive for 10 minutes and suspend when lid is closed. I get a warning when inactive that the ...
1
vote
0answers
70 views

Spurious resets on Ubuntu

I have a PC running Ubuntu 13.04 64bit, and I do weekly updates, so everything should be up-to-date. Everything is running fine, but sometimes, once-twice a week a complete reset happens. I think it ...
1
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0answers
27 views

Changing suspend timer to more than 1 hour [duplicate]

In Ubuntu 13.10, I want to change my suspend timer to go to sleep after 3 hours, but in System Settings I can not do that. I'm wondering is there any way to set it? I've already tried the ...
0
votes
2answers
374 views

Ubuntu 12.10 loud fan noise hp compaq 615

I am totally new to Linux, i installed it yesterday, since than i my fans are really loud, i did not have this problem on windows. I saw this post on this site How to control fan speed? But i am ...
2
votes
0answers
85 views

How can I make multiple monitors go to standby independently?

I have a two-monitor setup. One monitor I use all the time, the other sometimes. I find myself switching the second monitor on and off quite frequently, so as not to be distracted by its contents. Is ...
0
votes
0answers
171 views

Ubuntu 13.10 - Gnome-Shell Dims Screen After Inactivity

I've gone to Settings > Power and set "Blank Screen" to "never" but it still fades to black after about 15 minutes. Is there another option I am missing? Ubuntu 13.10 Gnome Edition Running Gnome ...
0
votes
1answer
345 views

Dell Inspiron 5520 fan always working

I was trying to find a solution for my problem, but without any success. Namely, I decided to move to Ubuntu system (from windows 8) and I installed latest one for my laptop (12.04 LTS). I installed ...
1
vote
0answers
95 views

Fan is working on AC power without stop while graphic card is on power-saving mode and laptop-mode is running

I've installed fglrx and laptop-mode on my 13.10. My graphic card is a hybrid and the power-saving graphic card is activated but the fan never stops on AC power. Actually when I remove the AC power ...
7
votes
2answers
2k views

13.10 hangs on waking from suspend except when suspended from console

I know waking from suspend is an issue, but this looks like a separate bug. When I suspend 13.10 on HP Pavillion dv6 (AMD 6770M/fglrx 13.10.10) from x, it suspends normally but freezes when waking. I ...
2
votes
1answer
73 views

Shutdown incomplete when the lid is closed after pressing shutdown

I press shutdown button and if the lid is closed before the shutdown process end, this one resumes after I reopen the lid