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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207 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
122 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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76 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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182 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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52 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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59 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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54 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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109 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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34 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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77 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
227 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 ...
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1answer
76 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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68 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
83 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
132 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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108 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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157 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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139 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
200 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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23 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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20 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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115 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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215 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
143 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
49 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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88 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
220 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
102 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
679 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
263 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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50 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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29 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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40 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
28 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 ...
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2answers
51 views

let utransmission run even after lid closed?

How do I set my settings such that even if I close my lid (Laptop) My downloads don't stop or pause in utransmission I have set the setting in power options to not suspend after closing lid still ...
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119 views

Why isn't ubuntu 14.04.1 coming out of sleep/suspend mode?

I've installed Ubuntu multiple times (on the same system, an HP pavilion g6 laptop). And every time I install it, when I close my laptop lid, it suspends, then when I come back out of suspend, the ...
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218 views

No sound after suspend/standby

For some reason I don't have any sound after suspend/standby on Ubuntu 14.04.1. It happens on a XMG C504, and the online solutions do NOT work. According to alsamixer the 0 is a Intel Haswell HMDI ...
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1answer
217 views

How to wake xubuntu desktop from sleep

I am using xubuntu 14.04 and it is connected to a TV via VGA. When I leave the computer for a while the screen goes blank(i'm assuming it's gone to sleep) my problem is that when I move the mouse ...
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2answers
431 views

Lubuntu asking for password after inactivity despite settings

I've got a laptop with a fresh install of Lubuntu 14.04.1 AMD64. I set all the settings that I could find in the Menu Button > Preferences menus that might affect this. Even still, after a period of ...
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1answer
93 views

Ubuntu 14.04 server sleeps after login screen

I recently installed Ubuntu 14.04 lts, the server starts to boot just fine and it gets to the login screen it takes 4 seconds and it goes to sleep mode I think as I can hear the PSU fan running but I ...
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1answer
217 views

Ubuntu 14.04 and Dell E6440 - sound and mouse working after suspend/resume

I've installed fresh Ubuntu 14.04 on Dell Lattitude E6440 and i've encountered two strange issues when doing full system start/restart: - mouse scroll when full restart is working very fast. One turn ...
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1answer
42 views

Thick black edges appear after coming out of sleep

When my laptop comes out of sleep, there are thick black edges appear behind each window. This happens to all UI elements which cast a shadow, like some dropdowns an textbox suggestions. These thick ...
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1answer
183 views

Suspend does not work on HP Pavilion g6 with Ubuntu 14.04

I've installed Ubuntu 14.04 on an HP Pavilion g6 laptop. Most things seem to work except suspend and the backlight brightness. I can live with the backlight issue for now. I have tried using the ...
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0answers
43 views

Ubuntu 14.04 - Blocked after suspending

I've updated my Sony Vaio PCG-3C1M to Ubuntu 14.04 and since then I have this issue, when the laptop goes for suspension, usually when the screen is closed, the laptop can't "wake up" after that. ...
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1answer
731 views

Standby Problem, PC can not enter Standby mode

I have a problem with the Standby function: My Computer does not enter the Standby mode with Ubuntu 14.04LTS. If I remeber me right, it works with Ubuntu 13.10 but this Version was not long installed ...
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0answers
130 views

How to prevent Ubuntu Server sleep/hibernation

I'm running the latest Ubuntu Server (quite literally downloaded & installed yesterday) on a box under my desk. I've got trac installed and OpenSSH. Intermittently both become unavailable, as if ...
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0answers
174 views

Suspend not working 14.04

I'm aware that this has been covered in multiple places, but none of the solutions seem to work for me. I'm on an old Core 2 Duo laptop, which refuses to suspend/hibernate. Instead, it immediately ...
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19 views

Ubuntu wakes up at once in suspend after 12.04 hardware update

I have laptop Acer Aspire and Ubuntu 12.04. A few day ago I've installed Hardware Update from Update Manager. After this update my laptop wakes up after suspend at once. But there is not any problem ...
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1answer
352 views

suspend error on 14.04 LTS

I've looked around and seems like various problems around suspend are wide spreaded for 14.04 release, nevertheless I haven't seen exactly my problem reported, nor my laptop model mentioned. So, the ...
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1answer
840 views

Computer won't wake up after suspend

Okay so I have had this problem with several versions of linux two primarily being xubuntu 14.04 and Ubuntu 14.04 lts, But I have also experienced the issue with Cent OS 7. I have several issues with ...