1
vote
2answers
60 views

Battery drains so fast

I have an HP laptop. It is a 64 bit machine. But I have installed 32 bit Ubuntu 12.04 presently. My problem is, once the battery is fully charged and start using Ubuntu it gets drained completely ...
0
votes
2answers
22 views

File swipped away after power faliure

We are bunch of guys (9) working on a project. All of us save our files to a single computer which has windows share enabled on the project folder. There is a problem of power cut out in our place and ...
1
vote
1answer
73 views

Why is my wireless network adapter acting in a strange way? (Ubuntu 14.04)

I have a laptop with Intel Centrino Advanced-N 6235 wireless network card, and I'm on Ubuntu 14.04. For almost a week I have had a strange problem with my wireless card. When I plug in the power ...
1
vote
1answer
75 views

Ubuntu 12.04 comes out of hibernate/standby randomly on Dell XPS 13

I have an ubuntu 12.04 laptop and it comes out of hibernate or standby randomly. For example, yesterday I selected hibernate, closed the lid and put it in my computer bag. 24 hours later, it is ...
0
votes
2answers
101 views

Bettery life issue with Ubuntu 14.04 LTS amd 64 bit [duplicate]

i have dell 5537 i5 4th Gen laptop. after installation of ubuntu 14.04 LTS amd 64 bit version on my laptop. my laptop battery life is decreasing very quickly .and life bet-try is showing 1 ...
0
votes
0answers
74 views

Diagnose complete system hang 12.04 dell xps 13

I occasionally have a complete system hang on my Dell XPS 13 Developer Edition laptop (the one that comes with Ubuntu pre-installed). There's complete system unresponsiveness, CPU seems to go to 100% ...
0
votes
1answer
128 views

Laptop screen goes blank after 33 seconds of inactivity

I have a Lenovo Thinkpad T60 running 12.04.4 LTS, Precise Pangolin; the desktop is KDE. Starting today, the display goes blank after 33 seconds of inactivity. Clicking or even moving the mouse, or ...
0
votes
0answers
36 views

How to restore default power plan to ubuntu 12.04 lts

I've been having battery plan issues. When my laptop is unplugged ubuntu becomes slow. When it's plugged everything is fine. I assumed something was wrong with my battery plan or something like ...
0
votes
0answers
442 views

Lenovo Z510 working extremely slow on battery

Ubuntu 12.04 on Lenovo Z510 i5. When AC power adapter is plugged in, everything is fine, the system is working fast. When i unplug the AC adapter, ubuntu is going to work extremely slow. I ...
0
votes
0answers
161 views

My Laptop Not Charging And Brightness Keys Not Working After Installing Ubuntu 12.04.3 LTS

I have Lenovo(G-505s) Laptop with per-installed windows 8. Recently I'm installed Ubuntu 12.04 through CD. But after installing my laptop battery not charging and my brightness keys not working in ...
1
vote
0answers
9 views

unable to edit settings for dirty memory

Ive been reading for quite some time on trying to edit the dirty memory settings and for some reason i cant save changes to any of the files even when I use sudo. The biggest reason I want to change ...
1
vote
0answers
112 views

Ubuntu 12.04, asus f550c : it do not go in power save mode

If I remove the charger from my laptop asus f550c, it do not go in power save mode, as I can see from the applet CPU frequency scaling indicator Indeed, usually if I suspend the laptop, it has very ...
1
vote
1answer
212 views

Suspend on lid close, even with the option OFF

I've set up a friends laptop with Ubuntu 12.04LTS with the Cinnamon desktop, and I'm having a few issues with the power settings. As far as I can tell I've got every setting to "Do Nothing" when the ...
2
votes
1answer
105 views

WOL - Ubuntu 12.04 LTS Power computer off, computer turns back on

I have an GA-B75M-D3H Gigabyte motherboard with an i3 processor that I'm using WOL from a windows machine to start the computer. The WOL is working fine but the issue is when I power the computer off, ...
0
votes
0answers
90 views

After pm-suspend /WOL the (usb) file system is read only

Ubuntu Server 12.04 for low-power home server (NAS mainly). System boots from USB pen-drive (to keep all IDE/SATA ports available for RAID, etc.). System will suspend when idle for time. pm-suspend ...
0
votes
0answers
75 views

Ubuntu 12.04 LTS - Will not boot on laptop using just A/C power

I have installed Ubuntu 12.04 LTS on my Acer Aspire 5741 alongside Windows 7 (Dual boot). The battery is on it's last legs and doesn't charge properly most of the time as it is relatively old. When ...
0
votes
0answers
140 views

Ubuntu 12.04 Samsung HD204UI Spin-Up-Time Fail after Suspend

Samsung's HD204UI 2 Tbyte EcoDrives are known for their slow Spin-Up-Time, so I didn't really wonder about a recent SMART failure, after suspend, in the Spin-Up-Time category. Now there is a ...
2
votes
1answer
47 views

Battery meter shows 6 minutes left immediately after unplugging power, and hibernates sometimes

I have a Lenovo y400. Whenever I unplug the laptop, the battery meter shows 0:06 or less and the Laptop battery critically low message pops up. It hibernates once in a while, the rest of the time it ...
1
vote
1answer
134 views

How to manage USB powering for sleep mode?

How to disable USB powering for sleep mode while on AC? Settings for each controller or each device would be nice, but I'm glad to see even a global setting. If on AC, after my Ubuntu turns asleep it ...
0
votes
1answer
101 views

Samsung series 3 runnint ubuntu 12.04, battery indicator does not recognize when I unplug my charger

I have a Samsung series 3 (NP305E5A-S01CA) running 12.04, everything has been running great except for the battery and power management programs. Even when my AC charger is unplugged and it is running ...
2
votes
0answers
1k 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
votes
2answers
300 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 ...
0
votes
0answers
59 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 ...
1
vote
0answers
128 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
votes
2answers
180 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
votes
0answers
54 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
vote
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 ...
0
votes
0answers
469 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 ...
0
votes
3answers
76 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 ...
0
votes
0answers
39 views

Ubuntu screen blinks and turns off

I'm using ubuntu 10.10,sometime screen just blinks and turns off system,after about 5 seconds log-in screen appears results in loosing everything I was working previously. Can any one helpme out...? ...
0
votes
0answers
2k views

Ubuntu 12.04 with LXDE shows no energy options

I am using Ubuntu 12.04 on which I installed LXDE by running sudo apt-get install lxde. I am currently using the lxde desktop. The problem is, that I can't find the energy settings. I need to ...
0
votes
0answers
94 views

manually changing power script to never shut off monitor

After a recent update my Ubuntu 12.04 LTS now powers off the monitor after 10 minutes of idle time. The power setting are set to "never" shut down. This update was sent out today also mess other ...
1
vote
0answers
375 views

Battery Not Present XPS 15z U13.10

So I recently reopened my old laptop which was running ubuntu 12.04 lts. When I opened it, i noticed the battery was stated has ''Not Present'' in the top menu bar. When I click on that label, it ...
0
votes
1answer
94 views

Laptop “do nothing” does not work

I've just installed 12.04 on my laptop. At home, I use an external monitor and keyboard and would like to close the lid on my laptop. In settings under Power, I've selected "Do nothing" for when the ...
2
votes
1answer
75 views

Grub Power Down If Idle

So, I have reign over 200 PCs at my work place, which are all dual boot Win 7 and Ubuntu. We want to encourage usage of both OSes, so there is no timeout to the GRUB screen. GRUB will remain on screen ...
3
votes
0answers
496 views

How to count battery cycles?

Like most user that have searched about knows, Manufacturers ACPI implementation is a mess. And for most of our laptops, battery infos are unavailable or wrong (on a dell inspiron 15z, the rate is ...
0
votes
1answer
1k views

Disable hibernation

As simple as it sounds I cannot disable hibernation. I have disabled any GUI option to disable hibernation but my acer aspire one has decided to start hibernating after an hour. When I first ...
3
votes
1answer
350 views

Devices by 100% usage - How can I solve this problem?

I have a Lenovo thinkpad e530 laptop. some device have 100% usage in it. The results of powertop are in below: Usage Device name 10.8% CPU use **100.0% Audio codec ...
0
votes
1answer
399 views

Turn off Bluetooth on wakeup from sleep and boot automatically

so I'm running Ubuntu 12.04 on a Samsung Series 7 Chronos Laptop. It has i7 cores and Nvidia Optimus Graphics and, needless to say being Samsung, a number of bugs to go along with it. Basically every ...
3
votes
2answers
217 views

Causes of and how to minimize damage from forced shut downs?

Backstory: Since running 12.04 LTS, my computer has experienced two sudden losses of power; one due to my ham-fisted attempt to reboot and one due to a battery-less power cable disconnection. Both ...
1
vote
1answer
4k views

How can I improve the battery life under 12.04 on my Inspiron 14z? [duplicate]

How do I improve the battery life of my Inspiron 14z under Ubuntu 12.04? This laptop gets 4-5 hours of battery life using Windows (e.g. here). I've removed Windows, installed Ubuntu 12.04 and the ...
3
votes
0answers
361 views

System won't shutdown unless I stop networking init script [closed]

I speculate it's networking related since I could only shut down my system if I do /etc/init.d/networking stop first. If I tried to put the system to sleep, it disconnect the network then reconnect it ...
0
votes
2answers
2k 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 ...
3
votes
1answer
3k 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 ...
3
votes
2answers
2k 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
867 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
1answer
148 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 ...
13
votes
2answers
3k 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
2k 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 ...
1
vote
0answers
115 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, ...