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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158
votes
9answers
159k views

How can I suspend/hibernate from command line?

How can I suspend or hibernate my laptop using command line, without installing additional software?
15
votes
2answers
14k views

Problems with networking after suspend [closed]

I have some problems on my Asus notebook since I upgraded to Ubuntu 13.10: Networking (wifi and lan) won't work after resume from suspend. I've seen many posts about this but they wouldn't work for ...
7
votes
1answer
4k views

Unable to resume after suspend

I'm using Ubuntu 12.04 & everything about it is great except that it just won't resume after suspend. I've tried the suggestions listed in this thread Entire system freezing after pressing ...
37
votes
2answers
34k 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!
12
votes
6answers
25k views

Ubuntu freezes/crash after wake when upgraded to 13.10 [closed]

Back on 13.04 it didn't occurred. I've upgraded to 13.10, systems apparently working fine, but, when I put it to sleep(using or not using extended monitor) and try to wake up, I see the screen(both), ...
12
votes
4answers
7k views

13.10 suspend kills wifi connection

I tried to post to this thread Hardware wireless switch has no effect after suspend and 13.10 upgrade for if I understand their question I am having the same problem, but the answer option won't work ...
16
votes
8answers
10k 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?
8
votes
2answers
8k 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?
24
votes
1answer
12k 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 ...
9
votes
2answers
6k views

Wireless doesn't connect after suspend on an Asus K52F

I'm on an ASUS K52F running Ubuntu 11.10 with the AR9285 wireless card. Wifi works acceptably before suspending, after it doesn't show any networks. the only solution I've found is a full reboot.
8
votes
4answers
10k views

Suspend/hibernate doesn't work on an Asus laptop

I'm having issues suspending Ubuntu 11.04 (Natty Narwhal) on my new Asus U30SD-XA1 laptop. It's a new laptop on the market. Is this a known issue and is there a fix for it? Basically, whenever I ...
26
votes
4answers
10k 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 ...
32
votes
3answers
29k 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 ...
29
votes
2answers
12k 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 ...
9
votes
2answers
6k views

13.10 hangs on waking from suspend except when suspended from console

I know waking from suspend is an issue, but this looks like a separate bug. When I suspend 13.10 on HP Pavillion dv6 (AMD 6770M/fglrx 13.10.10) from x, it suspends normally but freezes when waking. I ...
10
votes
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 ...
20
votes
2answers
12k 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 ...
7
votes
2answers
2k views

Laptop immediately suspends when going onto battery power

I've got an MSI Wind, model U100 that's been running Ubuntu without trouble for a long while. After upgrading to 10.04 a few months ago, I've had this strange problem. As soon as I unplug the laptop ...
2
votes
4answers
8k views

Entire system freezing after pressing “Suspend” [closed]

So I just installed Ubuntu, and I love it. I don't think it's going to replace Windows 7 for me, and it has a few problems that I'm probably going to end up fixing when I figure out how to use WINE, ...
71
votes
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 ...
9
votes
6answers
9k views

USB Mouse sleeping after 5 seconds when on battery [duplicate]

My usb mouse sleeps after 5 seconds of inactivity when running on battery power. It wakes uo again when i press any button on the mouse. This is really annoying. I have made lsusb, and I noticed my ...
6
votes
1answer
5k views

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

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 ...
8
votes
1answer
16k views

Ubuntu 14.04 System freezes on wakeup from suspended state

I did a clean install of Ubuntu 14.04. When I resume from suspended the system freezes after I enter my password. I am forced to power off and start again. I had a similar problem on this laptop when ...
15
votes
3answers
2k views

Whither hybrid suspend?

So what ever happened to hybrid suspend, where it would suspend to both RAM and disk? It was kind of hot a few years ago, but it seems it was dropped. Is there any way to set this up in recent Ubuntu ...
9
votes
3answers
8k views

Why does my laptop resume immediately after suspend? [closed]

I seem to be having some problem with suspend mode. Every time I try to suspend my laptop, it just locks the screen. Or maybe it successfully suspends just to resume only an instant after. What could ...
8
votes
4answers
6k views

Suspend fails (reboot on resume) and no hibernate option [closed]

Upgraded from 10.04 to 10.10 removed hibernate option for me and introduced the problem where by after entering standby (being indicated by blinking amber LED on my laptop) I cannot resume my session. ...
1
vote
1answer
1k views

Black screen after wakeup

HP w2207h (HDMI screen) , HP 6235fr under UBUNTU 11.10 (Nvidia GT220): After suspending for a long time, wakeup my PC with USB. Boots up but black screen.No screen since start of booting. The machine ...
2
votes
2answers
1k views

How to prevent suspension when a program is currently running?

Is there any way to make Ubuntu 12.04 understand when it should suspend or not in terms of the software that is currently running? For example, if I am installing something and it takes more than 10 ...
1
vote
1answer
5k views

Keyboard light hotkey (Fn + F3 and F4) rarely work on an Asus G60J

Im using Ubuntu 12.04, and my laptop is an Asus G60J. Specifications: Ubuntu 12.04 64bit Intel i7 720qm Nvidia gtx 260m 4gb RAM The laptop always start with the keyboard backlit On. The hotkeys ...
3
votes
3answers
1k views

No wireless after resuming from suspend?

When I resume my computer from suspend it doesn't want to connect to any wireless connection. It looks like it is connecting, but after a while it asks me to retype a password for wireless connection. ...
1
vote
1answer
204 views

Suspending with root on USB

I have a laptop running Ubuntu 14.04 from a root file system on USB storage. This is not working well, because after wake up from suspend, ext4 will frequently try to write to the root file system ...
1
vote
1answer
168 views

How do I get suspend working on an Acer Extensa 4420 laptop?

When I click Suspend, all it does is the internet gets disconnected for a few seconds and than I get connected again. I have a Acer Extensa 4420 laptop. I appreciate any help. Thanks
30
votes
2answers
11k 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 ...
42
votes
2answers
22k 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?
5
votes
1answer
762 views

laptop suspend broken after latest kernel update

I ran a software update (Ubuntu 14.04) on my laptop over the weekend, which included an update from kernel 3.13.0-24 to 3.13.0-27, among other things. Today i had to take my laptop to work, so closed ...
4
votes
1answer
2k views

Sony Vaio FW350 reboots instead of waking up after sleep/suspend

After I suspend and try to wake up my laptop it just automatically reboots every time. I had this problem in 11.04, but it happened occasionaly. Now I'm with 11.10 and it occurs every time. It is a ...
13
votes
1answer
4k views

Wake laptop when lid is opened?

I have a SAMSUNG laptop, which by the experience in the last months, has been a great one. I am actually implementing some functionality to it, and since I noticed, I am able to wake up my laptop from ...
11
votes
1answer
3k views

How does ubuntu determine inactivity before suspending?

I have set it to "suspend when inactive" after 30 minutes. How does it determine whether it is inactive? Is it just user input via keyboard/mouse? If I leave a program working away - say ...
8
votes
4answers
2k views

How do I set the computer to suspend when battery is critically low?

I accidentally clicked on the option "When power is critically low" under System Settings>Power. The original entry was blank, but the only two options after I clicked were Hibernate and Shutdown. I ...
7
votes
3answers
5k views

Ubuntu won't suspend anymore, but it did upon install

I fresh installed Ubuntu 10.10 back when it came out, and my laptop was suspending fine. All of a sudden, I can't get my laptop to suspend anymore. It's an HP Pavilion dv2-1110, but I don't think it's ...
7
votes
2answers
2k views

How to prevent resume from sleep/suspend on lid open?

I've got pretty much the same problem as this old 2006 thread on the Ubuntu forums: my old laptop's lid is a bit shaky, which causes the computer to wakeup/suspend if I just touch it the wrong way ...
5
votes
2answers
4k views

What prevents setting ATI / radeon power_profile from boot and retaining it after suspend?

I'm successfully using the open source radeon driver and use KMS-power_profiles (see link below) for power management of my graphics to prevent overheating. But I can't manage to set the power_profile ...
1
vote
1answer
339 views

Suspend on lid close, even with the option OFF

I've set up a friends laptop with Ubuntu 12.04LTS with the Cinnamon desktop, and I'm having a few issues with the power settings. As far as I can tell I've got every setting to "Do Nothing" when the ...
9
votes
1answer
5k views

How can I set my system to suspend when inactive to a longer amount of time

I run Mythtv on some Ubuntu 11.10 based machines. In the power settings, I can choose from a list of time periods from 5 minutes up to 1 hour for the the machine to suspend when inactive. I would ...
6
votes
1answer
163 views

Entirely disable suspension (at kernel level? - has to be independent of used DE and login state!)

Once again I need a workaround to deal with my almost broken notebook graphics card: It does not wake up after suspending! The Ubuntu 14.10 system is waking up, but the display stays off, so I have ...
2
votes
2answers
3k views

Unity won't suspend on inactivity

Running 12.04. I can manually suspend the system and wake it up again, but I can't get it to suspend on inactivity automatically. I have it set to "Suspend when inactive for" 10 minutes in ...
1
vote
3answers
5k views

Compiz makes CPU run at 100% when in suspend mode in 12.04

Recently I installed Ubuntu 12.04 on my laptop. And I found that when I left my laptop suspend mode, the Compiz hold CPU at 100% all the time until the laptop woke up. Can anyone tell me what is ...
1
vote
1answer
88 views

Ubuntu Suspend issue with Self Encrypted Disk [duplicate]

I have a computer with a self Encrypted Drive (a hard drive with an AES encryption chip that requires login at boot to decypher the disk, that way it is hardware encrypted which "in theory" means zero ...
11
votes
3answers
13k 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 ...
9
votes
2answers
12k 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 ...