Tagged Questions

Questions related to Suspend Mode, which is a special low-power mode often used on laptops that preserves the contents of RAM while using less power than normal. Questions related to suspending to disk should use the [hibernate] tag.

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How to fix Error: Ubuntu can't recover from suspension

I have a problem with my computer: Ubuntu can't recover from suspension I have performed some operations indicated in posts on the internet that fix the problem for a while but it arises again ...
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1answer
67 views

Computer not suspending when inactive in the main log-in prompt

My computer is set to automatically dim the screen and lock after 10 minutes, and suspend after an hour of inactivity. That works fine - but only once I've logged in. If I switch the computer on and ...
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29 views

My computer cannot awake properly from sleep

Every time I get my computer awake again it shows me some artistic random pixelated stuff. I have to shut it down and restart. Why is it happening and can I change it?
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29 views

Ubuntu 14.04 upgrade won't suspend

I have upgraded to Ubuntu 14.04, since then my computer won't suspend. When I click suspend from the menu it just goes to a locked screen. It is using up my battery. I have to totally close down ...
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25 views

Disable keyboard input wake up

I want to disable making my laptop wakes up from suspend on keyboard input. I searched a lot and I disabled all devices in /proc/acpi/wakeup but it still wakes up when clicking any button. I checked ...
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1answer
9 views

Why is Kubuntu Restarting?

I'm a new user to Kubuntu: I usually use Window 7 or MacOS. My question: when I close the lid on my laptop it should go to sleep or hibernate, and when I open it it should wake up and start where it ...
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1answer
35 views

Wireless networking continuously in “connecting” state after Suspend

Ubuntu 14.04 I've searched extensively for a similar issue, the closest I can find is where the output for nmcli nm returns "sleep" for the "state" key. However, my output (when the problem starts) ...
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31 views

Slow after upgrading from 12.04 to 14.04

I recently upgraded my computer to 14.04, but now many of the programs are running slow, and it seems to have some problems running several programs at once. Chrome turns slow if I try to use spotify ...
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32 views

Is it possible to suspend applications?

The main idea is to add a "suspend" button to the title(behind the "quit" cross button) of the application window that will copy the memory taken by application to swap/local storage with pid ...
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0answers
120 views

Ubuntu 14 no way to install Nvidia drivers or get suspend working

I'm trying to get an "old" Acer Aspire 5720 operative with Ubuntu 14.04 but the proprietary drivers nor suspend work properly. My hardware configuration: Intel Core Duo T5250 @ 1,5Ghz 4GB DDR2 RAM ...
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59 views

Suspend causes login screen corruption or system freeze

At work, I often set my computer to "Suspend" rather than turning it off at the end of the day. Often when I turn it back on in the morning, I find my login screen to look like this: Note that, ...
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1answer
34 views

Resuming from suspend temporatily 'fixes' sound on 14.04, how can I mimic the resume?

Sound stops working frequently on my Ubuntu 14.04 laptop. I have tried the myriad fixes to no avail. However, I noticed that when I close my laptop, let it suspend and open it up again the sound ...
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12 views

After sleep, only one person can log on

In Ubuntu 13, I could hit the sleep button and when I turned on the computer I could select any user to log into. with Ubuntu 14, Only the person that performed the sleep can log back in. All other ...
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25 views

Wake-on-lan from suspend

I am trying to wake up my laptop from suspend using WOL but it didn't work at all. I found this old post for the same problem but I don't see how I can do this for Xubuntu 14.04 that I am using. I ...
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1answer
18 views

GPIO toggle for 5 seconds while booting kernel

I want to toggle a gpio for 5s for enabling a modem while booting itself Currently i use a script echo 10 > /sys/class/gpio/export echo "out" > /sys/class/gpio/gpio10/direction echo 0 > ...
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77 views

14.04 :: Troubles after waking from suspend

I am having issues with suspending my Acer Aspire 5739G running Ubuntu 14.04. I have tried suspending using different methods - pm-suspend, from GUI, from Keyboard shortcut - but my system still ...
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58 views

Brightness is reset to maximum after waking up from suspend or lock screen

This question is somewhat related to this question: Brightness is reset to Maximum on every Restart Basically, I modified /etc/rc.local to set the brightness, as detailed in this answer, so on ...
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1answer
87 views

Go to sleep based on screen activity

So, the behavior I want is: 1. Screen goes blank when inactive for [specified time]. 2. Computer suspends when screen is inactive for [specified time 2]. With the default setup, these two can be ...
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66 views

14.04 Nvidia Drivers

I have suffered the Nvidia drivers conflicts with suspend/resume in the past, and again with 14.04, both ubuntu and kubuntu. The latest update of 14.04 now causes the PC to reboot upon resume from ...
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88 views

Ubuntu 14.04 Cannot Suspend or Hibernate

My Lenovo-T430 laptop cannot suspend or hibernate anymore. Instead, it just locks my account. My computer will not stop running. I think the problem was that I uninstalled pm-utils. I reinstalled it, ...
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36 views

14.04 suspends and resumes, but hard power off one minute later

I installed 14.04 on an Avatar Tellus laptop, with the / partition on the built in SSD, and /var, /home, and swap on the local disk. The system runs normally, except for suspend. The machine will ...
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42 views

ACER 5732Z Laptop [ubuntu 14.04 OS] does not suspend, when I close the lid

Can anyone help me? I use ACER 5732Z Laptop with ubuntu 14.04 OS, I would like enable suspend option when I close lid. I went to system setting>Power> and choose when the lid is closed suspend. But it ...
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29 views

sleep mode when pressing key on keyboard its not wake up

This is inform to you all I have installed ubuntu on Dell 990.we are using that system on 24*7.whenever the system going sleep mode,after giving input from keyboard its doesn't wake up.Every time we ...
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46 views

How do I get lightdm on suspend from awesome/gnome session?

I am using awesomewm as my windows manager on ubuntu 14.04 and use the gnome settings daemons for power, wifi, etc. When I close the lid, my computer suspends. When I open it back up, it does not ...
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31 views

Hibernation works only when connected to AC power

Please help me understand this part of syslog when I try to wake up from hibernation. My specification - 4 GB of RAM, 8 GB of linux-swap, intel core i5-4200U, NVIDIA GeForce GT 750M. The problem is ...
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53 views

Laptop consuming battery with lid closed?

I have an Asus X550 laptop, with Xubuntu 14.04.1 installed. I used to close the lid when I stopped working, leaving all my documents open. When I returned and opened the lid, my session was as I had ...
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1answer
69 views

Prevent machine from sleeping when SSH connections are on

I am trying to save power by switching desktops to suspend mode when they are inactive. But many desktops are also accessed via SSH by their owners. There is a wakeonlan solution deployed to enable ...
3
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1answer
54 views

Which script actually does automatic suspend of machine?

Which particular script is activated upon inactivity of the system? How does the script know that system has been inactive for the configured duration? I need the script, so that I can check if ...
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45 views

My HP Pavilion g6 won't resume from suspend and I'm running 14.04

During inactivity I can reactivate it and resume as normal, but if I manually select to go into suspend mode or if I close the lid then it won't come out of suspend mode. The computer will still stay ...
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1answer
48 views

Simulate power button using command?

When I hit the power button on my laptop (Ubuntu 14.04.1 without any modifications), I receive a pop window saying Goodbye, what would you like to do? Lock Suspend Restart Shutdown How can I get ...
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1answer
89 views

Wifi not working after suspend

I have notebook Lenovo Z500, his wireless hw: Centrino Wireless-N 2230 (vendor - Intel). When I close the lid notebook suspends and when it is woken up wifi is disabled and there is no way to enable ...
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60 views

Suspend stopped working in Kubuntu 14.04 works in TTY

I was using Kubuntu 12.04 and Suspend and Hibernate were working. I re-installed with 14.04 and when it resumes, the gui will show without going into a log in screen, I can briefly move the mouse, ...
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73 views

No display after wake up. Using 14.04.1 + xfce4

Basic info: Completely fresh install of Ubuntu 14.04.1 on an HP pavilion g4-1303au laptop, by bootable USB. ISO image was downloaded on 05 September, 2014 through torrent acquired from the official ...
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0answers
115 views

Ubuntu 14.04 after suspend screen becomes unresponsive to keyboard and mouse

I have dual boot, Ubuntu 14.04 and windows 8, on my lenovo Z585. I forgot to lock system and left it as it is for half an hour. After that when I tried to access my system, the screen was ...
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1answer
84 views

Ubuntu 14.04.1 LTS suspends when 12.04 LTS did not

I'm running Ubuntu 14.04.1 LTS Server on an Asus Eee PC netbook. Back when I had 12.04 installed, I was able to close the netbook and the system would stay running. Now with 14.04, closing the ...
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22 views

Don't want laptop to suspend when closing lid [duplicate]

Hi I have a sony vaio laptop with ubuntu 14.04 on it. I have a usb KB and mouse plugged in and a monitor plugged into the VGA analogue output, I want to use it as a normal PC. When I close the lid of ...
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0answers
16 views

Getting weird errors after suspend

So, I was running Ubuntu from an external USB drive, and I accidentally hit "suspend". When it suspends, it cuts power to the USB ports. Now, whenever I start up or try to do anything I get "Ubuntu ...
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73 views

Suspend Not Working - Ubuntu 14.04 LTS

I am using Ubuntu 14.04 LTS, I have had this problem since I installed Ubuntu. When I click the suspend button the computer goes into a suspend like feature and the power button starts flashing ...
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0answers
139 views

cannot use keyboard nor mouse to wake up ubuntu 14.04 LTS

I have a Dell dimension 9200 desktop with windows 8 and ubuntu installed side by side. keyboard will wakeup windows 8 from sleep but ubuntu will only wake up when I press the power button. tried cat ...
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1answer
69 views

trackpad doesn't work after suspend

Ubuntu 14.04 and a Fujitsu Lifebook U-series.I can't get trackpad to work after suspend bluetooth mouse does.Sorry to say that trackpad didn't work form the beginning but my son googled something and ...
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1answer
32 views

Resolution drops upon wake from suspend - 14.04

Whenever I wake my computer from suspend, the resolution is significantly lower than where I have it set. However, if I simply open System Settings, the resolution instantly resets itself to where it ...
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0answers
49 views

Why does putting laptop in suspend mode clear WiFi hard block?

I recently wrote a question regarding my ASUS X551ca laptop which is dual booted with Windows 8.1, and Ubuntu 14.04. The WiFi functions perfectly when in windows, but is hard blocked in Ubuntu. (as ...
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1answer
128 views

14.04 - Network Manager takes too much time reconnecting after resume/wake

I have an Intel wireless network card in my notebook. Whenever I resume/wake/unhibernate my computer it takes about a minute or so in order to be able to connect to the Internet again. It's just too ...
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1answer
74 views

14.04 LTS can't suspend anymore

I changed the "what to do when laptop's screen is closed" option under Power last night. It was at suspend and I switched it to do nothing. The problem is, I can't get it back to suspend anymore! ...
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1answer
241 views

Disable laptop lid sleep

Xubuntu 14.04. I've already done the following: HandleLidSwitch=ignore LidSwitchIgnoreInhibited=no xset -dpms disabled xfce power manager in session and start up set power settings to do nothing ...
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1answer
114 views

Chromium freezes after resuming from standby (Kubuntu 14.04)

Every time my laptop resumes from standby the Chromium browser becomes frozen. Graphically, it means that it leaves an unresponsive black square on the desktop. Sometimes, but not always it would ...
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36 views

System goes unresponsive when I close the laptop

Whenever I close the Laptop without locking/logging off, system goes unresponsive. Unresponsive in the sense it doesn't shows login prompt or not even some error message. However, there is no problem ...
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0answers
24 views

Lound fan and Suspend/hibernate starting for 1-2 seconds before failing

I am a fairly new Linux user... I started with Ubuntu 14.04 and it worked well for a while. after a few weeks, pm-suspend and pm-hibernate stopped working. closing the laptop lid would not work, and ...
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0answers
29 views

Set Brightness to 0 when lid closes

is there a way of setting the brightness level to 0 or blanking the screen when I close my lid (without suspending the system). I just prefer it that way, since I listen to audiobooks while driving ...
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0answers
20 views

How do I disable suspend when my laptop is in the middle of shutting down?

I'm running 14.04 on a MacBookPro8,1. In general, suspend when I shut the lid works great (save for a bug where the keyboard stops working sometimes on resume). The problem that I have is that when I ...