Questions tagged [suspend]

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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491 votes
14 answers
710k views

How can I suspend/hibernate from command line?

How can I suspend or hibernate my laptop using command line, without installing additional software?
user1034's user avatar
  • 4,913
154 votes
5 answers
189k views

What is the difference between Hibernate and Suspend

Logout, Restart and Shutdown are all self explanatory to me. What are the differences between Suspend and Hibernate on the shutdown menu?
Richard Holloway's user avatar
140 votes
8 answers
621k views

How do I disable my system from going to sleep?

I am getting a web server setup at home on an older AMD 2400+ desktop. I have Ubuntu 11.04 installed and running however, after a time, I can no longer browse to the server. When I go to the keyboard ...
Mike Wills's user avatar
  • 1,683
131 votes
12 answers
37k views

Problems with Chrome browser after suspending the computer on Ubuntu 20.04

Kubuntu 20.04, 64 bit GPU: Geforce GT610 nvidia-driver-390 Chrome Version 85.0.4183.83 Intel i5-4430, core 4, 4 thread , 3GHz RAM: 16GB Each time I go into suspend mode and then resume, Chrome ...
christianbueno.1's user avatar
126 votes
6 answers
94k views

Where is the suspend/hibernate button in GNOME Shell?

In 17.04 I could suspend\hibernate from the power off menu button. I can't find how to do this in Ubuntu 17.10 GNOME Shell.
Kobi T's user avatar
  • 1,949
124 votes
10 answers
34k views

Strange artifacts along window borders after waking computer from sleep mode

NB: Nvidia has released an official fix; please see ByteCommander's answer, my own answer and/or Kaz Wolfe's answer. Upon waking up Ubuntu 16.04 from Suspend, the following graphical glitches appear ...
You'reAGitForNotUsingGit's user avatar
114 votes
16 answers
165k views

Screen remains blank after wake up from suspend

So, when I suspend my laptop, then wake it up later, my laptop does turn on, I'm able to, for example, turn up and down the volume with audio confirmation using the kepboard, but my screen remains ...
deathpigeon's user avatar
  • 1,141
104 votes
2 answers
7k 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 ...
Jonas Malaco's user avatar
  • 1,453
83 votes
12 answers
49k views

Ubuntu 18.04 - Dell XPS13 9370 no longer suspends on lid close

This was working perfectly on 17.10 but after upgrading to 18.04 yesterday, when the lid is closed the screen turns off but doesn't suspend properly. I travel around a lot and immediately noticed the ...
user636763's user avatar
  • 1,225
81 votes
6 answers
78k views

How can I suspend using a keyboard shortcut, without administrator privileges?

How can I set up a keyboard shortcut that I can use instead of clicking this menu item? I have read about various terminal commands for suspending which I could easily assign to a keyboard shortcut, ...
ændrük's user avatar
  • 76.7k
79 votes
5 answers
91k views

Wireless networking not working after resume in Ubuntu 14.04

[Update]: The same problem exists in Kubuntu and is solved in the same manner. [Solved]: By applying the following command nmcli nm I got the following: Before suspend RUNNING STATE ...
Ossama Nasser's user avatar
77 votes
16 answers
53k views

How do I prevent mouse movement from waking up a suspended computer?

It's really annoying as I have to unplug the mouse after a suspend to ensure that an occasional bump doesn't wake up the system. I haven't found anything in system settings which could disable this ...
user129498's user avatar
76 votes
10 answers
45k views

How to go automatically from Suspend into Hibernate?

Is it possible to make Ubuntu go into Hibernate state from Suspend, aka "Suspend Sedation"? What I am looking for is this: When I close the lid, the laptop is put into Suspend. Then, after a pre-...
Sergey Stadnik's user avatar
67 votes
5 answers
85k views

Automatically sleep and wake-up at specific times

How can I hibernate or sleep my Ubuntu 10.10 desktop and have it "wake up" the next day? I have seen software that can do this on windows, so it can't be hard on Ubuntu!
drnessie's user avatar
  • 1,261
61 votes
4 answers
50k views

how to execute a command after resume from suspend?

I've got a script that is executed in order to have suspending/resuming working in my laptop. Then I have another series of xinput,xkbset and xmodmap commands that are executed when I initiate a ...
719016's user avatar
  • 6,207
58 votes
4 answers
60k views

Disable password request from suspend - 18.04

How can I disable password request after suspend in Ubuntu 18.04? I have already turned off the screen lock but that didn't fix it. I am new Ubuntu user. There seems to be lots of information on how ...
Rookie's user avatar
  • 583
57 votes
4 answers
66k views

Run Script on Wakeup? [duplicate]

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 ...
Eva's user avatar
  • 883
55 votes
3 answers
52k views

Ubuntu 17.10 and later: Don't suspend when lid is closed, just lock screen

Since my upgrade to Ubuntu 17.10 there's no option in the settings about what to do when the notebook-lid is closed any more. Before this function had the options "do nothing" and "suspend" and ...
user avatar
53 votes
6 answers
192k views

How to permanently disable sleep/suspend?

Subtly broken is worse than frankly broken... Background: I already disabled suspend in System Settings -> Power. The "Suspend" option still appears on the gear menu (not that I expected it to ...
Veiokej's user avatar
  • 553
52 votes
10 answers
46k views

Ubuntu 18.04 crashes on resuming from suspend

After completing a fresh install of Ubuntu 18.04 LTS and rebooting, I closed the Acer Aspire ES1-511 laptop lid and took a little break. When I came back to continue exploring the new features of 18....
user avatar
51 votes
4 answers
84k views

Wake up from suspend using USB device

I was looking for hours, maybe more, for a solution and i just found it. I want to share it with everyone. This way it will be easier googling this problem to find the solution faster. So, just like ...
Pavlos Theodorou's user avatar
51 votes
6 answers
44k views

How do I prevent immediate wake up from suspend and/or hibernation from PCI devices?

For a few days, my Ubuntu 12.04 desktop computer has mysteriously been waking up immediately after going to suspend mode. Since installation, my Ubuntu 12.10 laptop computer has also been resuming ...
Bazon's user avatar
  • 2,700
49 votes
8 answers
225k views

How to prevent computer from automatically sleeping and/or hibernating?

I'm running Ubuntu 12.04, and my laptop* won't wake from sleep/suspend/hibernate. (Is sleep the same thing as suspend?) I'm not even sure which of these things it's doing. When I am done working for ...
Mark E. Haase's user avatar
49 votes
4 answers
43k views

With Ubuntu 16.04 laptop doesn't suspend when lid is closed

I have a Dell 7737 laptop, and with Ubuntu 16.04 it no longer suspends when the laptop lid is closed. With 14.04 closing the lid put the laptop to suspend as expected. However, I reloaded the system ...
Adam Culp's user avatar
  • 971
47 votes
4 answers
11k views

How to fix missing characters from font after awakening from suspend?

I find that often after awakening from suspend on Ubuntu GNOME 16.04 with GNOME 3.20 (I have only found this issue on the latest version, though I have not tried with GNOME 3.18 on 16.04) that I get ...
user avatar
45 votes
8 answers
29k views

How do I use pm-suspend-hybrid by default instead of pm-suspend?

I would like to use the hybrid suspend method instead of suspend when closing the lid or selecting "Suspend" from the menu. I can imagine to change the pm-suspend script to do so automatically, but ...
blueyed's user avatar
  • 8,965
43 votes
3 answers
40k views

How can I hibernate/suspend from the command line and do so at a specific time

I managed to find out how to suspend/hibernate the system from the command line by reading How can I suspend/hibernate from command line?. However, I would like to know how to use the command line to ...
Ederico's user avatar
  • 6,097
40 votes
4 answers
65k views

Keyboard and mouse unresponsive after suspend

I have a Toshiba Satellite S55-A5154 with 14.04 installed. Every time it resumes from being suspended, neither the keyboard nor mouse work. What can I do to fix this or provide you with more info?
user2980766's user avatar
40 votes
11 answers
70k views

Ubuntu 20.04 doesn't wake up after suspend

Ubuntu 20.04 won't wake up from sleep Issue: Whenever the laptop suspends (either due to a closed lid or due to a black screen for a certain time), I cannot wake it up. The laptop does not respond to ...
1618's user avatar
  • 511
38 votes
9 answers
38k views

How do I stop the screen from being locked on suspend?

On GNOME the screen locks when I suspend, and I find that a bit annoying (no one else in the house uses ubuntu anyway haha). What can I do to stop this?
RolandiXor's user avatar
  • 51.5k
37 votes
2 answers
82k views

What is suspend?

I saw the option Suspend in Ubuntu. What does it do? I tried this option, but my PC goes to low power mode and then, I can't bring it to a normal condition. So I had to power off my PC.
user's user avatar
  • 1,727
36 votes
6 answers
20k views

Second external monitor not waking up

My current setup is my Dell XPS 9560 (1080p) with 2x 1440p 75hz monitors. Everything works fine on first boot: I turn on the laptop, type in my password, shut the lid and just use the two external ...
Luke Glazebrook's user avatar
36 votes
6 answers
32k views

not waking up from suspend ubuntu 22.04

I just upgrade my Lenovo X1 Carbon from Ubuntu 20.04.4 to 22.04. Before, I could wake up from suspend by either opening the lid or by pressing the power bottom. Now, after upgrading, I cannot wake up ...
user1571823's user avatar
34 votes
3 answers
34k views

apportcheckresume recurring error and gnome shell fixations

Since installing Ubuntu 12.10 Gnome remix I encounter unpredictable and unwanted behavior of my system. Almost after each resume from suspend (or even after unlocking the screen after it goes blank) ...
feedyourhead's user avatar
32 votes
3 answers
13k views

How do I tell what's preventing sleep on Ubuntu? My box won't sleep automatically!

Manually sleeping my Ubuntu desktop from a menu works fine. I've set preferences to "Suspend when inactive" for "5 Minutes". Yet the computer often does not sleep. On Windows, I use powercfg -...
Bryce's user avatar
  • 1,937
31 votes
4 answers
53k views

Suspend and wake PC at certain time

I want my PC to sleep at 04:58 and wake at 05:15, every day. How do I do that?
One Zero's user avatar
  • 27.1k
31 votes
2 answers
14k views

Network disabled on some wake-ups on saucy laptop [closed]

Since I upgraded to Saucy Salamander 13.10, with every third suspend or so, the network is disabled and I'm unable to re-enable it. I've had to reboot to make it run again. The network menu will have ...
Arild's user avatar
  • 455
31 votes
2 answers
21k views

Authentication required before suspend

Since the last update of Ubuntu 14.04, when I press the sleep button in my laptop, a pop-up window appears with "Authentication is required for suspending the system". Password is not requested when ...
arauzo's user avatar
  • 998
30 votes
10 answers
55k views

Touchpad not working after suspending laptop

This seems like a common problem, but after trying all of the fixes I've found on forums, I'm still at a loss. Specs: computer: Asus k501LX-EB71 OS: Ubuntu 14.04.3 kernel: 3.19.0-26-generic touchpad:...
Ross Allen's user avatar
  • 1,569
30 votes
3 answers
8k views

How to debug suspend?

I've been using Ubuntu for about five years now, and I still can't make it suspend when I want to. It's quite irritating that I can program up a storm, hack the machine in numerous other ways, and yet,...
mlissner's user avatar
  • 2,243
30 votes
9 answers
53k 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 ...
Unrivalled confusion's user avatar
30 votes
2 answers
4k views

systemd-journald crashed with SIGABRT in pthread_sigmask()

Fresh install of Ubuntu 18.04 on a new Lenovo x1c6, I'm getting this error sometimes after resuming from suspend. I have no idea what it means, and search online leads to a bug report that doesn't ...
goldylucks's user avatar
28 votes
2 answers
30k views

Suspend command in Ubuntu 16.04

In Ubuntu 14.04 I used to use the following command to suspend the computer as a user without root privileges: dbus-send --system --print-reply --dest="org.freedesktop.UPower" \ /org/freedesktop/...
tmt's user avatar
  • 1,029
28 votes
3 answers
43k views

How to disable suspend in 14.04?

For some reason Ubuntu had not been having good support for suspend. Creating the /etc/polkit-1/localauthority/50-local.d/com.ubuntu.disable-suspend.pkla file with the below disabled suspend option in ...
Praveen Sripati's user avatar
28 votes
6 answers
42k views

BIOS contains WGDS but no WRDS, Ubuntu 19.04

I have been getting this weird error when I put my laptop to sleep and then waking it up after a while. This error forces me to force reboot my computer in order to restart my computer. However wifi ...
snookrun's user avatar
  • 512
27 votes
2 answers
139k views

What is the command for sleep/hibernate? [duplicate]

Possible Duplicate: How can I suspend/hibernate from command line? I have an Acre Aspire One and this netbook does not have a sleep function on the key board and with the removal of the hibernate ...
powell4076's user avatar
27 votes
6 answers
42k views

How do I make changes to /proc/acpi/wakeup permanent?

I had a problem with my Ubuntu 12.04 waking up immediately after going into suspend. I solved the problem by changing the settings in /proc/acpi/wakeup, as suggested in this question: How do I prevent ...
Jolan's user avatar
  • 271
27 votes
9 answers
23k views

how to solve black screen after suspension with Ubuntu 22.04 LTS?

I have just installed Ubuntu 22.04 LTS. It works fine but after I suspend the session, the screen remains black after restarting the session. How can I solve it?
Gigiux's user avatar
  • 777
25 votes
5 answers
11k views

laptop fails to suspend or hibernate (wakes up after 2-5 seconds without user interaction)

This all started happening after upgrading to 13.10, now I am running 14.04 and still have the same issue. When I close the lid or I do sudo pm-suspend the laptop goes into suspend for 2-5 seconds ...
feniix's user avatar
  • 494

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