Questions related to power management, particularly power saving measures.
2
votes
0answers
53 views
How to tell if laptop was woken by rtc?
Say I set my laptop to wake every morning with rtcwake (e.g. echo $(date +%s 'tomorrow 08:00') > /sys/class/rtc/rtc0/wakealarm in a cron job or in /etc/pm/sleep.d/99-set-alarm.sh).
Now, I'd like ...
1
vote
0answers
51 views
Nautilus Error 22688 and power management
I have seen questions covering the various types of dismissable warnings such as this #255 error:
mfg@paprika:~/Websites$ gksudo nautilus
Nautilus-Share-Message: Called "net usershare info" but it ...
0
votes
0answers
20 views
Computer will go inactive on AC, but on battery it does not
So I've looked for an answer to this and am not finding any info. My laptop (ubuntu 12.10 64 bit) will suspend as normal if I leave it alone and it's plugged into AC power. After 5 minutes the screen ...
3
votes
0answers
95 views
How do you prevent CPUs from being throttled when battery is taken out of Laptop (aka only on AC power)?
My laptop CPUs are throttled down to .8GHz instead of 2.5GHz whenever I am connected to AC only and not the battery. I tried using cpufreq-set and it allows me to set the speed when the battery is ...
0
votes
0answers
212 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?
5
votes
6answers
358 views
How can I disable backlight when I lock the screen?
When I lock screen, the display does turn black but the display isn't completely off. There is some light coming out of the display in screen lock mode but it get turned off when inactive for 10 ...
1
vote
0answers
39 views
Laptop refuses to power down or restart from top bar power icon
I am running Ubuntu 12.04 (32-bit) on a Dell Vostro 1700 laptop. When I click 'shut down' option on top bar far right button, it closes Ubuntu but won't shut down. It just goes to a low-power state, ...
1
vote
1answer
220 views
Disable USB keyboard wakeup
With the update from 11.04 to 12.04, my USB keyboard activity will wake Ubuntu from 'suspend'. I'd like to disable this. (My battery went dead due to some unexpected keyboard activity.) This didn't ...
0
votes
0answers
127 views
Ubuntu 12.04 64bits Hdd Spin Down Time
I've reverted back from 12.10 and I see that there's no option as per subject in the Disk utility provided with version 12.04. Is that confirmed and I've to manage this with the hdparm or am I missing ...
1
vote
0answers
59 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 ...
3
votes
1answer
263 views
Suspend problems - Chromebook running 12.04.1 LTS
I've been running Ubuntu 12.04.1 LTS for a few days now on my Acer C7 Chromebook - and in general it's running great.
However, I've noticed that when I try to suspend one of various things can ...
0
votes
2answers
64 views
Is there any security alarm?
I have friend that leaves an awful amount of time his laptop unattended. Its is not me, it would be stupid tip for thieves to ask this publicly if it was me :p.
I was thinking of an alarm that could ...
0
votes
0answers
71 views
Can't 'wake up' server using keyboard
I'm not sure if this is a setting on my end.
I leave my server 12.04 on and after a while the screen shuts off. But I cannot reactivate it or 'wake it up' using the keyboard once this happens. But ...
1
vote
0answers
200 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 ...
0
votes
0answers
140 views
How does hotkeys, lid close, suspend etc. work with Ubuntu on a newer Thinkpad Laptop?
I am trying to setup my Thinkpad T420 with xmonad as window manager and with as little gnome as possible. If I launch gnome-settings-manager all my hotkeys (disable touchpad, volume up/down, ...
2
votes
2answers
1k views
Ubuntu 12.04 LTS drains my Samsung Series 9 900X3C ultrabook's battery extremely fast. Is there anything I can do to fix that?
The title basically says it all. My Samsung Series 9 900X3C ultrabook's battery is in the deep red around barely three hours after disconnecting it from the power - and during most of that time the ...
5
votes
4answers
2k views
Prevent screen turning off when watching video in XBMC
In 12.04, the screen never went to sleep while watching videos in XBMC. However after upgrading to 12.10 and changing no settings, it does.
Is there any way I can prevent the screen automatically ...
1
vote
0answers
116 views
Auto Brightness depending on power source
Is there any way to make Ubuntu remember different brightness settings when I'm plugged in and when I' plugged out like windows? I dim the brightness to the minimum when I'm running my laptop on ...
0
votes
1answer
116 views
Why is Power Statistics showing grossly incorrect battery power? [closed]
Energy when full - 231.7 Wh
Energy(design) - 81.2 Wh
This also results in an incorrect value for Percentage - 31.3%
This also conflicts with Time to full field (Thankfully !)
I have never seen ...
0
votes
1answer
19 views
Power on does not work when display is closed
Having a Samsung N230 Storm netbook runnning ubuntu 12.04
As I want to use only external devices (VGA Display, USB Keyboard, USB Mouse) and have the netbook acting as a "desktop" most of the time, I ...
2
votes
1answer
358 views
I need help with the battery Icon
I have a Toshiba Satellite L645D running Ubuntu 12.10 and it seems like Ubuntu like some other distros (Nadia, Debian) won't recognize my battery and I don't know the reason for that, it won't show ...
0
votes
1answer
48 views
Prevent Ubuntu 10.04 from locking display after few minutes of inactivity
My system is Ubuntu 10.04 Lucid Lynx. I looked under System/Preferences/Power Management and everything is set to Never. How do I change settings so I can let the screen stay on at least for 30 ...
3
votes
1answer
969 views
How to prevent XBMC from shutting down or suspending your computer?
Since I run XBMC as a program, and not standalone, I would just like it to exit when I click the power button. The default behavior is to show the shutdown menu, and I don't want to accidently shut ...
2
votes
0answers
23 views
How to wake-up / suspend (or switch-off) Ubuntu 12.10 Desktop system automatically at a particular time of the day? [duplicate]
Possible Duplicate:
Scheduling StartUp and ShutDown
Currently, I keep my Ubuntu 12.10 Desktop system continuously running as I have to download some data at a particular time which ...
0
votes
0answers
61 views
How to make ubuntu 12.04 shutdown automatically when the battery is below a critical level, provided there are no downloads in progress?
Its all in the question itself: How to make ubuntu 12.04 shutdown automatically when the battery is below a certain level, given that no downloads in torrents or somewhere else are in progress. thank ...
1
vote
1answer
241 views
Lenovo Ideapad Z370 - Power reated issues
I have a Lenovo ideapad Z370 and I'm facing some problems.
It consumes way more battery than it should, I got about 5 hours using Windows 7 and about 2 hours using ubuntu;
If I try to install ...
1
vote
0answers
207 views
Good spindown for HDD on Media/NAS server
I am running a small media server that also doubles as a NAS drive in my house. I use it to host my Plex library along with my Subsonic library for Roku and my Droid's. It's a real simple ATOM server ...
0
votes
1answer
281 views
Cannot permanently prevent power saving blank screen on Compaq Presario C700 with Ubuntu 12.10
I have a Compaq Presario C700 which has a GRUB multi-boot for Ubuntu 12.10 (32 bit), Ubuntu 10.10 and Windows Vista. This machine is always run by mains electricity rather than by battery as I have ...
2
votes
1answer
105 views
What are the pros and cons with pm-powersave for saving power?
I don't know how much power my system consuming and My UPS also behaves in a strange way. So I googled and stopped at Ubuntu Power Management. Installed powertop and everything is fine.
As mentioned ...
0
votes
0answers
83 views
how to decrease wakeups from touchpad
I had a battery problem on my Dell Inspiron N5010
I used powertop and I found out that my touchpad driver has most of wakeups and consumes battery
I had this from powertop
Wakeups-from-idle per ...
0
votes
1answer
295 views
Laptop battery doesn't last that long compared to Windows [duplicate]
Possible Duplicate:
Why does my computer get less battery life with Ubuntu compared to Windows?
I'm using Ubuntu 12.10 with Gnome 3.6 on a Dell Inspiron N5010 laptop, but I have a problem ...
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
3answers
2k views
how to enable laptop mode tools in ubuntu 12.10
I have a Lenovo z570 running ubuntu 12.10 with a battery life approximately 1hr 30 min. Please help me maximize the battery life of my lenovo
2
votes
1answer
95 views
How do I prevent my HDMI-audio-only connected GPU from powering off itself?
I have a PC running Ubuntu and XBMC with the following specifications:
CPU - AMD A6-3500 APU - Radeon(tm) HD Graphics integrated
discrete graphics card: AMD HD6400
I got the HD6400 just to have ...
1
vote
2answers
201 views
Have PM utils power.d scripts run all the time
The pm util power saving scripts only work when a laptop is on battery, not when it is plugged in to AC. Is there a way to make pm utils run all the time, regardless of whether the laptop is connected ...
0
votes
1answer
101 views
My mouse / keyboard response gets delayed if I don't use it all the time.
Occasionally my mouse / keyboard would take extra long to respond to input. If I moved the mouse or pressed a key it would take an extra second to respond the work normally.
If I leave it alone for ...
1
vote
0answers
179 views
For some reason upsmon doesn't do shutdown
I use nut to monitor my ippon 800 UPS.
Everything seems works, except shutdown.
I can get UPS params with upsc command:
~ > upsc ippon-800
battery.charge: 0
battery.voltage: 12.50
...
0
votes
0answers
71 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 ...
-1
votes
1answer
156 views
Connecting Power or removing it causes Ubuntu 12.10 to Hang and Crash
When I boot my machine on battery and later connect the power supply Ubuntu just hangs and crashes and vice verse.
I run Jupiter 0.1.9 it never gave me any issue but yesterday I updated ubuntu there ...
1
vote
1answer
73 views
Where did the “Safe Removal” in the Disks (Disk Utility) application go in 12.10?
In the Disk Utility in 12.04, there is a "Safe Removal" option for removable hard drives.
In the equivalent Disks utility in 12.10, this option has disappeared.
Where did it go? How do I safely ...
2
votes
1answer
152 views
How do I disable the sleep button on my keyboard in U12.04?
Hello I have read Q and A : How do I disable the sleep button on my keyboard?
but in Ubuntu 12.04 64bit has
gsettings set org.gnome.settings-daemon.plugins.power button-sleep "nothing"
gsettings ...
0
votes
0answers
51 views
Laptop Hibernates after adapter is unplugged
Hello i am experiencing a strange problem under Ubuntu 12.04.
If I unplug the charger while my laptop is on,i don't see any messages but my laptop goes straight into a suspend or hibernate mode and ...
2
votes
3answers
1k views
How to improve battery life on a HP Pavilion dv6?
I apologise if this question is too similar to the numerous others already asked, but I'm a beginner and I really need your help.
So...I've installed Ubuntu 12.10 a few days ago and I have only been ...
0
votes
0answers
51 views
No warning when Power Critically? Shuts down immediately
When my laptop battery goes in critically low state , it shuts down the machine without any warning.
I went to Power Settings.
I don't have any other option but 'Power off' in 'When power is ...
1
vote
0answers
104 views
Xubuntu fails to stay awake when the machine is under load
I have the following problem with a fresh install of Xubuntu 12.04:
I set up power management options so as to send the machine to sleep after it's been idle for a while. My intention was to have it ...
2
votes
1answer
135 views
Permanently disable CD drive [duplicate]
Possible Duplicate:
disable the cdrom in Ubuntu 11.10 OS
I have no use for a CD drive, ever. Yet it exists, consumes power, opens inadvertently when in its case or in my bed and makes noise ...
1
vote
2answers
2k views
Battery life starts at 2:30 hrs (99%), but less than 1 minute later is only 1:30 hrs (99%)
After searching this and other forums, I haven't seen this same issue listed anywhere for Ubuntu 12.
Prior to installing Ubuntu 12.10, my Netbook (Acer AspireOne D250, SATA HDD) was consistently ...
0
votes
0answers
277 views
How do I configure Ubuntu properly for my HP compaq 6910p?
I've been trying to get the most out of my laptop's battery. I've seen this post: https://wiki.ubuntu.com/Kernel/PowerManagement/PowerSavingTweaks. They describe what can be done if you have a Sandy ...
0
votes
0answers
204 views
Good examples of Powernap scripts?
In looking for Powernap action script examples ( i.e. /etc/powernap/action ), I found the following:
one
two
three
Does anybody have another good script they use or recommend particular techniques ...
1
vote
1answer
660 views
How to access gnome-power-manager in Lubuntu?
I have decided to replace Xfce4-power-manager with gnome-power-manager in Lubuntu 12.04 (didn't knew how to disable the tray icon in fact), which I did using synaptic, and now it shows:
But ...
