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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black screen and unable to resume after suspend ubuntu 14.04 on hp laptop

This is the first time I install Ubuntu OS on laptop. Installation was successful but I hit Suspend and the screen turns black, tried to resume but the screen is still black, no cursor or anything on ...
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24 views

Black screen after suspend

I have problem after suspending my laptop (my laptop is HP pavilion g series) I am using Ubuntu 14.04. When I press suspend, the screen goes black. Also, when I want to wake my laptop up, it does not ...
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6 views

Computer Will Only Suspend Once

So I kind of have a problem. On both Ubuntu 14.04 and another distro of Linux I used called DXStudio, I could only suspend my custom PC once, and after that it will act like it's going to sleep, but ...
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0answers
9 views

Trouble adapting sleep hook to systemd

for some reason my machine has problems with suspension, specifically, it resumes as soon as it suspends. After some research I was able to solve this problem on 14.04 by using the following loop, as ...
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0answers
8 views

Warning messages that flash quickly when locking screen. Where is the log?

Trying to diagnose a problem I'm having with lock screen/suspend dropping all open windows/programs in my session. I noticed that some warning messages flash up when I lock/suspend, but they go by too ...
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1answer
237 views

After upgrade to 15.04, wrong temperature readings cause fan to go crazy

Since I upgraded to 15.04, twice after I had started it from suspended state Ubuntu would right away start spinning the laptop fan like crazy since it thought that one of the temperatures was 100°C ...
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1answer
23 views

Ubuntu doesnt play any online video sites such as youtube, spotify

Whenever i click 'Suspend' and my laptop sleeps, upon reboot, all online streaming sites such as youtube, spotify, videos can load but will not play. What can be the issue? Pls suggest solutions. I ...
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11 views

Ubuntu 15.04 disconnects from virtual networks after wakeup

After upgrade to Ubuntu 15.04, I see the same behavior with VirtualBox and VMWare Workstation. After the system is waked up from suspend, there's neither vboxnet0 nor vmnet8 devices in the output of ...
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22 views

Laptop fails to suspend or hibernate, wakeup detected in Ubuntu 14.04

I installed Ubuntu 14.04 with gnome on my Thinkpad T410. To my surprise, it didn't have any option to suspend/hibernate the current session. So i installed pm-utils and also added extension which ...
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16 views

My screen goes black but not off, laptop still awake

I have found a bunch of different posts regarding this issue, but none solved my issue. It happens sometimes, often a little after resume from suspend. Like I said, the computer is still running ...
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0answers
7 views

System goes to suspend mode on plugging out charging

I am using ubuntu 12.04 LTS. Whenever i plug out my charger, i see Low battery notification (even when my laptop is fully charged) and then my system goes to suspend mode. Please let me know if this ...
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0answers
43 views

ubuntu 14.10 issue with suspend

I have a Acer Aspire E5-571G-52FL and when try to suspend (when lid is closed for example) it not wake up after that. Only black screen and nothing. Could you please help? Thanks! 3.16.0-33-generic ...
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8 views

Suspend logging me out

I am having a problem recently that when I suspend my computer, upon waking it up after a while, it just logs me out and then prompts the main login screen. This closes all my running programs from ...
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0answers
26 views

Lenovo Z50-70 not resuming after hibernation

My lenovo z50-70 is not resuming after i put the laptop in hibernation mode. It gives a black screen on resume. I tried a solution - http://askubuntu.com/a/436389/411863 but it didn't work out. ...
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2answers
179 views

Black screen on laptop lid open after update to 15.04

I suspend my laptop by closing the lid, but when I open it my screen stays black, when I should be prompted to enter my xscreensaver password. The screen is "on" because I can switch TTY using ...
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0answers
16 views

My lap restarts when i close the lid?

Hi I recently installed ubuntu 14.04 lts. I am new to this operating system. I have tried all the updates and upgrade. Now I got a serious problem. Whenever I shut down my lap and close the lid, it ...
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1answer
147 views

XScreenSaver Lock Screen

I got XScreenSaver and removed gnome-screensaver by following these instructions: http://askubuntu.com/a/293014/364819 And my settings are as follows: And it is all working fine and that, but I ...
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0answers
16 views

desktop graphics choppy after waking from sleep using nvidia driver

anyone know how to resolve this? when this happens, the desktop performance is noticeably slower and choppy, and sometimes in terminal i have to hit Ctrl+L to get the screen to update after typing ...
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1answer
57 views

Ubuntu 15.04 jumps into standby after login

I upgraded my system from Ubuntu 14.10 to Ubuntu 15.04 flawlessly. But for some reason, it always jumps straight into standby (suspend) mode directly after login. I have to use the notebook's power ...
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0answers
16 views

Xubuntu automatic suspend doesn't work

When I set xubuntu on my Asus Eee PC 1015BX to suspend after 15 minutes of inactivity, after that time I get "Power Manager not authorized" notification and it doesn't suspend. I had the same problem ...
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0answers
13 views

My Laptop doesn't suspend at all in ubuntu 14.04 [duplicate]

My laptop is Asus N56-jk, I'm an ubuntu 14.04 user, when I push the suspend button or close the lid, it just get locked or somethng like logging out, what should I do?
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12 views

Is it possible to turn off Thinkpad dead battery led indicator?

I have old Thinkpad T61 with ubuntu 14.04LTS. Battery is completely dead (orange light is blinking all the time). But I don't want to replace it. I would like to turn off that indicator? Can it be ...
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1answer
236 views

Touchpad not recognized after suspend (Ubuntu 14.04, Thinkpad T420)

My Thinkpad T420 has had problems with recognizing the touchpad since I updated to Ubuntu 14.04. Immediately after logging in, it can recognize the touchpad, and all is fine. However, if I suspend, ...
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0answers
3k views

How do I enable Ubuntu (using full disk encryption) to call LUKSsupend before sleeping/suspending to RAM?

This question is related to another one by @Stefan, but it is not a duplicate of it. The questions are slightly different: the author simply wanted to know if this had been implemented, while I'm ...
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1answer
22 views

automatically unmount sshfs network drives before VPN disconnects on suspend

Reasonably new linux user here. For my work, I regularly mount two network drives via sshfs in Xubuntu 15.05. Now I've written a little bash script to mount/unmount both drives & create a symlink ...
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29 views

Ubuntu 14 LTS server going to sleep/shutdown

We recently transitioned from Ubuntu 12 to Ubuntu 14 server installations and started to notice that the servers are occasionally go to sleep after couple of hours to days intermittently. ...
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0answers
63 views

Touchpad not working after suspend on Asus A450L

I recently change laptop to asus A450L and install latest ubuntu 15.04, there is one annoying bug, touchpad not working after suspend, and need to reboot to make it working again. Touchpad not ...
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5answers
7k views

Blank screen after suspend/hibernate on 14.04

I did a fresh install of ubuntu 14.04. Everything works great except after hibernate/suspend I am getting a black screen. I can use Alt+Ctr+F1 then Ctrl+Alt+Del to restart and the screen comes back ...
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1answer
23 views

Changing the command executed using suspend/standby in 14.04 LTS

I had some problems with my Thinkpad X200T not suspending under 14.04 LTS, after trying different solutions, it seems the easiest fix is to just execute sudo pm-suspend How would I go about making ...
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0answers
18 views

Ubuntu becomes quite laggy after wake up

I'm running Ubuntu 15.04 on my UX32A Zenbook Prime with Intel® Core™ i5-3317U CPU @ 1.70GHz × 4 processor and Intel® Ivybridge Mobile Graphics. When I wake up my computer from sleep mode, I find it ...
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1answer
78 views

How to prevent an unintended resume from suspend (Lenovo x240)?

Updated 2015-04-19, 15:56 - I am using a Lenovo x240 notebook and the problem is valid for Ubuntu 14.04 and 14.10 at least. General description of the problem If I close the notebook's lid the ...
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0answers
89 views

Ubuntu 15.04 - Audio switches to Headphones after suspend, but there is no sound through headphones or speakers

Ok, so I have been getting a strange issue since I updated to 15.04. After a reboot, audio works fine through the speakers, and I'm able to plug the headphones in and it switches to them and works ...
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0answers
15 views

Prevent usb HDD Sleep mode?

I'm having a problem with my computer running Ubuntu server 12.04, I have an external USB HDD plugged in for samba file sharing but after a few hours not using samba the USB HDD goes to sleep. When I ...
3
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1answer
78 views

Suspend doesn't work (Ubuntu 14.04)

I'm new to Linux and to this forum, I recently purchased a DELL XPS-13 with Ubuntu 14.04. Until now suspending my computer, either by closing the lid or clicking "suspend" in the menu did suspend my ...
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0answers
18 views

Flgrx drivers not working after suspend

This is a weird issue I've been having for a while and it's driving me insane. I have a MSI 7770 1GB Graphics card, and Ubuntu 15.04. I'm using Flgrx updates which work fine until I wake the computer ...
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1answer
246 views

Computer reboots instead of shutdown, only after suspend

I have posted seen this on the Ubuntu forums (http://ubuntuforums.org/showthread.php?t=2175057), but its not drawing a solution there so I am posting here. Problem is when I shutdown my computer it ...
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2answers
50 views

Why is my system not waking up from suspend?

I freshly installed Ubuntu 15.04 sharing a preexisting home partition (Mint 17.1). However, in neither Mint or Ubuntu the computer is waking up from suspend mode. The status LED keeps blinking and the ...
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1answer
72 views

Problems with mi WiFi connection

I would like to ask you for help with my WiFi connection. My problem looks like this: After I turn on my laptop or after reboot everything works fine. But after suspend my WiFi works about 6 ...
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2answers
90 views

What does “inactive” mean in “suspend when inactive for xxx mins”?

In system settings -> Power, what does "inactive" mean in "suspend when inactive for xxx mins"? If my laptop am running a hours long backup program while i am sleeping, is that considered ...
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0answers
40 views

How do you move from suspend to hibernate in 15.04

I am asking basically the same question as in How to go automatically from Suspend into Hibernate? I need to make the computer to go from suspend into hibernate after a certain amount of time. The ...
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0answers
13 views

Is it still recommended to use sleepd?

I want to suspend or hibernate 14.04 on T400, if batter is low. The system settings for power managenet only has option for shut down, and doesn't have option for suspend, and the option for ...
2
votes
1answer
357 views

Ubuntu 15.04 Suspend doesn't run `pm-suspend`

After upgrading to Ubuntu GNOME 15.04 (from 14.10), I noticed my pm-utils hooks in /etc/pm/sleep.d aren't running anymore on suspend/resume. I have a custom script which saves the brightness before ...
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1answer
37 views

Suspend failed once and forever?

I incidentally closed the lid and the system went to suspend (ubuntu 14.04) but seemed lasted forever. So I forced quit the suspend. After I restarted ubuntu and let it suspend, it failed to do so ...
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2answers
64 views

Prevent shutdown when tvheadend recording / KDE session is active

I am searching for a way to prevent shutdown/standby when tvheadend (or vdr) is currently recording. What I found until now is Prevent shutdown when rsnapshot is running: Which I don't like because ...
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0answers
90 views

External monitor is disabled after resume (only on 15.04)

I recently installed ubuntu 15.04 and most things just work out of the box, awesome! But there is on annoying thing: I have an external screen connected to my machine (T450s, via docking station) and ...
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0answers
147 views

Suspend/Resume Lenovo

I have occasionally problem with ubuntu 14.10(or 14.04), when I wake up from sleeping, screen remains black. My notebook is Lenovo IdeaPad Z50-70 and graphics is NVIDIA GeForce GT 840M 4GB. Is there ...
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2answers
665 views

Intel Centrino iwlwifi driver problem: wifi disconnects after suspend/hibernate, persistent problem since 14.04

This is a real shame and true frustration, I've long been Ubuntu advocate but now after hours and hours of wrestling with this bug I'm about to go back to the windows realm (or maybe another linux ...
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4answers
4k views

Run Script on Wakeup?

Is there a way to run a script when a computer "wakes up" (from sleeping)? I know it can be done on startup, obviously, but the issue in this case is that the backlight of my laptop seems to reset ...
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0answers
33 views

After closing the lid, no screen display and computer hangs. Have to restart everytime.(14.10)

When I lock my laptop and close the lid, and again after sometime,when I open the lid, their is a blank screen with no display and even if I press any key(s), my system does not wake up.I have to ...
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0answers
22 views

Does sleep mode limit CPU performance?

I have looked around but couldn't find a definite answer to whether or not sleep/suspend mode affects CPU performance in Ubuntu/Debian. Is there any impact on performance while running in ...