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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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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11 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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25 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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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
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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12 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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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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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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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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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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29 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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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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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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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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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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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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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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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
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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65 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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2answers
182 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
93 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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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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0answers
17 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 ...
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1answer
80 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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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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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
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 ...
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2answers
52 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
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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92 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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1answer
366 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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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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1answer
19 views

how to run scheduled task ,after resume from sleep,only if computer was sleeping at the time of schedule

i have a cron backup job set up, but i would like it to run after resume from sleep, if my computer was asleep at the scheduled time. example: backup script runs every night at 2:00. often i put my ...
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0answers
22 views

Gnome 3.14.4 won't blank the screen / suspend the system due to inactivity

I installed gnome-shell and ubuntu-gnome-desktop on top of Ubuntu and now the automatic suspension doesn't seem to work (I've been using GNOME now for some time and I'm not 100% sure if it worked at ...
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46 views

Laptop does not wake up after suspend

This happens randomly. I have an Hp Pavilion 17: http://www8.hp.com/h20195/v2/GetDocument.aspx?docname=c04511132 When I suspend my laptop (whether by closing the lid or any other way) sometimes it ...
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1answer
45 views

Eeepc Ubuntu 14.04 Problems: Video, audio, screen flicking and suspend failure

I install Ubuntu 14.04 LTS on my Eeepc 1101HA with processor Intel Atom CPUZ520 and I have some problems: Screen is flicking, shacking..... Video doesn-t work, is very slow and impossible to see ...
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0answers
67 views

How to fix 3 min. dalay and suspend problem after instaling ubuntu 15.04 on macbook pro 5.1?

I installed ubuntu 15.04 on my macbook 5.1 (late 2008) and on every reboot I have to wait about 3 minutes to get to the login screen. Also suspend doesn't work when I close lid. Does someone have a ...
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1answer
60 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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12 views

Who restores the hibernation image on disk?

guys, I'm doing experiment on ubuntu 14.04.2, and try to figure out who is responsible for resuming the system from hibernation. In order to track it, I add some dump_stack in software_resume, which ...
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166 views

Black screen on wake since 15.04 upgrade (ATI)

Similar to this post Black screen on upgrading to 15.04 but since the hardware and conditions are different (Heathrow XT Radeon HD 7870M), I'll start another thread. If I use the fglrx driver, the ...
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0answers
105 views

Double lock screen when resuming after upgrade to 15.04

After the upgrade to 15.04 I now get a double lock screen when I wake up from resume. First there will be a centered GTK grey panel which looks a bit like the old switch user login, after I enter that ...
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24 views

Ubuntu 15 sleeps before login

I have updated from 14.10 to the recent 15. Since I did so, everytime I am booting, it takes a lot of time in the loading screen and then the computer just goes to sleep. When I power back up, the ...
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19 views

hibernate after a period of sleep

please, help me finding a way to hibernate Ubuntu after a period of sleep, i usually close the lid and keep the laptop for many days, and I think that this affects the processor
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1answer
141 views

Xubuntu 15.04 goes to sleep when the screen is locked

Since I did the upgrade to 15.04 there is a very strange behaviour whenever I lock the screen. Right after the screen is locked and the monitor turns black the computer goes to sleep (or suspend ...
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72 views

“Bleached” screen after suspend on iMac with Ubuntu 15.04

Ubuntu 15.04 works fine on my old iMac (Intel, mid 2007) except for suspend/resume. After wakeup the screen appears "bleached" by vertical white lines (half the screen pixels are white). This ...
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0answers
52 views

15.04 Suspend works only once after a restart - Toshiba Click 2 Pro

I had a thread in ubuntuforums.com for the same issue while I was in 14.10. It somehow randomly worked after trying different scripts. With the 15.04 upgrade, the issue simply came back. After a ...
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1answer
23 views

Suspend Ubuntu after 10 minutes but keep awake for certain period

I would like to have my Ubuntu pc suspend after 10 minutes inactivity but it must switch on and remain on from midnight to 6:05 am. Any suggestions?