Tagged Questions

0
votes
0answers
10 views

Unusually high power consumption with Xubuntu 12.04, but not Ubuntu 12.04

About 8 months ago I installed Ubuntu 12.04 LTS on my wife's Dell Mini 9, and it was running reasonably well, apart from sometimes freezing when waking up from suspend. In an effort to speed it up a ...
0
votes
2answers
81 views

What linux distribution is less power hungry than ubuntu 12.04? [closed]

My notebook is a Compaq Pressario CQ71. The battery life is like 1:45 h. When Win Vista was installed on it, it was like 3 h. Now I like Linux more, but this distribution (ubuntu 12.04) is consumes ...
2
votes
0answers
55 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
11 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

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
56 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
0answers
45 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 ...
2
votes
1answer
89 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 ...
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.
1
vote
1answer
99 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 ...
9
votes
2answers
504 views

Why does powertop still detect tunable settings on >12.04?

According to this Q&A laptop-mode-tools and powertop are not needed anymore with ubuntu 12.04 as the power savings are now included in the kernel. So I decided to remove laptop-mode-tools from ...
2
votes
1answer
105 views

Shutdown when laptop lid closed

I want my laptop to shutdown when I close the laptop lid. But in the power settings I can only choose between: Suspend Do nothing Hibernate (Disabled) Is there any way to configure it with more ...
0
votes
0answers
29 views

Ubuntu slows Windows wireless when plugged in

We have a wireless LAN with an Ubuntu 12.04 laptop and a Windows 7 laptop connected. The Ubuntu laptop always gets download speeds of 19-20 Mbps and upload speeds of 1.92 Mbps. The Windows 7 laptop ...
2
votes
0answers
121 views

“power off and on” specifc usb port in Ubuntu 12.04

I am trying to power off and power on usb port in Ubuntu 12.04 without success. I tried the steps listed below: echo "0" > "/sys/bus/usb/devices/$port/power/autosuspend" echo "auto" > ...
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
221 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 ...
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 ...
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 ...
2
votes
1answer
153 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
52 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
1answer
136 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 ...
0
votes
0answers
278 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 ...
4
votes
1answer
763 views

Modify actions when battery is critically low?

I am running Ubuntu (not Xubuntu) and am using Xfce4 on my laptop. When my laptop battery is critically low, Ubuntu/Xfce4 performs some action (perhaps hibernate?) which causes my laptop to shut down. ...
1
vote
1answer
231 views

Reboot only shuts down and doesn't actually boot again

I'm running a fresh install of Ubuntu 12.04 Server on an abmx rack mount server. When I attempt to reboot with sudo shutdown -r now, the machine just shuts down and doesn't come back up without me ...
1
vote
2answers
762 views

Set Idle Time in Ubuntu 12.04 Server

I recently installed Ubuntu 12.04 Server and am looking for away for get the server to suspend after an idle time. When using the desktop version I could use the Gnome powersaving tool to specify the ...
0
votes
0answers
72 views

How do you force the power management (battery icon) to stay in the top bar?

Changing the power options doesn't seem to work - No matter what I change the option to, the power management refuses to show in the top bar. Using Ubuntu 12.04.1 LTS, upgraded from 11.10. Is ...
0
votes
0answers
133 views

Laptop will not boot on battery power

I cannot start my Toshiba Qosmio G40 without plugging in the power adaptor. After booting Ubuntu, i can unplug the power adaptor and run on battery. I am using Ubuntu 12.04lts, i had the same problem ...
0
votes
0answers
96 views

files power_profile and power_method missing on ubuntu 12.04 after clean isntall

OK here is the problem,I am using gnome-shell, ubuntu 12.04, kernel 3.2.0-32-generic-pae and the proprietary drivers for my ati card (Installed via "additional drivers") , the laptops is a hp 4310s ...
0
votes
1answer
1k views

ACPI _OSC control

I've noticed an error from dmesg output that ubuntu canot enable ASPM: [ 0.192722] pci0000:00: ACPI _OSC support notification failed, disabling PCIe ASPM [ 0.192728] pci0000:00: Unable to ...
0
votes
0answers
28 views

Repeated power error, can get to log on screen

I've used Ubuntu for 2 weeks until this error popped up. It goes like this: failed to set up /tmp/.X11-unix /etc/acpi/power.sh: 11: etc/acpi/power.sh: pm-power : not found It keeps repeating this. ...
0
votes
1answer
351 views

Restore default power settings on Ubuntu 12.04

I've noticed that Ubuntu 12.04 restarts instead of hibernating or when the battery power is below the critical level, and then continues restarting until the battery runs out, and power is lost. Is ...
0
votes
0answers
37 views

Hibernation in Ubuntu [duplicate]

Possible Duplicate: How to enable hibernation in 12.04? It's pretty well known that hibernation doesn't work in 12.04 by default. However I have installed some of the power management ...
0
votes
0answers
132 views

HP311 laptop fails to Suspend nor Hibernate on Lid Close

Machine-> HP311 NetBook Dual Booting Windows 7 and 12.04 Problem-> Under System Settings - Power, I have attempted to set: When the lid is closed: On Battery -> Hibernate When Plugged in -> Suspend ...
1
vote
1answer
436 views

Why can't I hibernate my Ubuntu 12.04? [duplicate]

Possible Duplicate: How to enable hibernation in 12.04? I use Ubuntu 12.04 and don't have the hibernate button anywhere. Isn't there any way by which I can set up the hibernate button ...
1
vote
1answer
449 views

How to add “shutdown” to the list of “when the lid is closed” in power settings? [duplicate]

Possible Duplicate: How do I modify the power options? I'd like to shutdown my laptop by closing the lid; but in Power Settings there's no option to do that. Is there any way to add ...
0
votes
0answers
94 views

Acer randomly shuts down

I just bought an Acer Aspire One 756 in Romania with Ubuntu pre-installed, and i choose to reinstall ubuntu for english language and my correct keyboard layout. but now it randomly shuts down. I ...
4
votes
1answer
133 views

Limiting what resumes computer from suspend

I'm having a ton of trouble getting Suspend to work with my laptop. I want to start using Ubuntu but this is a pretty important aspect since I take my laptop with me everywhere. Anyways, I wanted to ...
4
votes
1answer
351 views

Is there a program that can adjust display brightness according to battery percentage?

When i work in Kubuntu, KDE power management has a section that lets you automatically adjust display brightness according to battery percentage. I want to know if there is a tool like that in Ubuntu ...
1
vote
2answers
129 views

Where can I locate the file that handles power configurations and HDD parameters?

I'm trying to compare the differences between how power management is handled on battery and when plugged in. As a result I want to look at the config files for the two instances. Thanks in advance.
1
vote
2answers
1k views

Unity won't suspend on inactivity

Running 12.04. I can manually suspend the system and wake it up again, but I can't get it to suspend on inactivity automatically. I have it set to "Suspend when inactive for" 10 minutes in ...
1
vote
1answer
3k views

USB hub not working properly Ubuntu 12.04

USB hub acting strange on Ubuntu 12.04 LTS. On Windows all devices are working properly, but on Ubuntu there are several issues, so it is not hardware issue. HDD is not recognised, unless it is the ...
1
vote
0answers
426 views

Shutdown button not working [closed]

I have 12.04 installed on my laptop. It was working perfectly until yesterday. Since then, no matter whether I choose restart shutdown or suspend option from GUI, my computer suspends. Please give ...
7
votes
3answers
290 views

Hard-drive fails to boot if suspend was activated prior to restarting. Booting a live USB/CD fixes the issue (temporarily)

I am running 12.04 64-bit and am dual booting with Win7, for full disclosure, although I suspect that has nothing to do with my problem. The boot-loader(GRUB) fails to load often and I will be ...
0
votes
0answers
264 views

When the wireless connection is active, Ubuntu 12.04 does not restart or turn off

I performed a clean installation of Ubuntu 12.04 (on a laptop with Intel Core2 Duo CPU T7500 @ 2.20GHz and 2 GB RAM), overwriting the previous version. During the installation I decided to install ...
1
vote
2answers
1k views

Battery not charging beyong a certain percentage

After checking two HP Laptops, one relatively new, only 2 months old and the battery is less than a week old. The other one is about a year old. both have the same issue. The laptop's battery charges ...
0
votes
0answers
127 views

Ubuntu Hangs after Disk Goes to Sleep

I installed Ubuntu 12.04 Precise onto a Western Digital 500GB My Passport connected to my laptop through a USB 2.0 connection. (My computer's BIOS supports booting from USB.) If I leave the computer ...
1
vote
0answers
198 views

Ubuntu won't suspend automatically any more [duplicate]

Possible Duplicate: Unity won't suspend on inactivity In the last month or so, Ubuntu (12.04) has stopped sleeping automatically. I've gone to System Settings > Power, and verified (and ...
23
votes
1answer
9k views

Is “laptop-mode-tools” still relevant for 12.04 and the 3.x kernels?

I'm using Ubuntu 12.04 x64 and trying to choose power management software. Laptop-mode-tools have a lot of features, but the only reason why I'm worry about is that it's manual and config files are ...
0
votes
0answers
23 views

Computer reboots when battery is critically low [duplicate]

Possible Duplicate: How do I set the computer to suspend when battery is critically low? I am using Uubntu 12.04, and I've noticed that the computer reboots instead of suspending when the ...

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