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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Suspend Broken : Ubuntu 14.04

As soon as I suspend my machine, and restart working, after about a few seconds, the system hangs. I have to restart the system using the power button. My machine : Lenovo Y50-70
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0answers
13 views

Wake from suspend and brightness/backlight control not working after closing lid, No additional drivers available

I have a Lenovo ThinkPad E460 which I recently bought. (AMD Graphics Processor) I installed Ubuntu GNOME flavor and the latest version (16.04). Each time I close the laptop lid, and reopen it, a blank ...
5
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1answer
94 views

Ubuntu 16.04 Intel NUC — Bricked Repeatedly

I have an intel NUC 5i7RYH, my BIOS is RYBDWi35.86A.0355.2016.0224.1501. That system ran flawlessly under 15.10. I recently upgraded to 16.04 LTS on April 23rd. The unit was bricked the next ...
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1answer
13 views

No hdmi audio after suspend

My problem is that when I wake up the computer after suspend I don't have audio with HDMI. Well, there is "audio" but it's like playing a song and hearing 1 second every 10 minutes and very distorted. ...
4
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1answer
212 views
+50

Suspend broken on Ubuntu 16.04 LTS, Dell XPS 9350

Since I upgraded from Ubuntu 15.10 to Ubuntu 16.04 LTS on my Dell XPS 9350, suspend is broken. When closing my lid the laptop will suspend, but resuming fails and it reboots. I tried pm-suspend and ...
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1answer
56 views

Restart when waking from suspend

I've got a dual-boot on my asus n750jv with win 10 and xubuntu 16.04. When I suspend from either os the laptop goes to sleep, a led is blinking, but when I wake the computer up, it restarts and the ...
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3answers
5k views

no sound after suspend/resume

I have no audio on lubuntu 12.04 after resuming from suspend. I tried sudo alsa force-reload to no avail. Sound works after reboot. Please help.
3
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1answer
854 views

pm-hibernate freezes and/or fails to resume on Dell XPS 13, 14.04, 3.19 kernel [duplicate]

I'm running 14.04 on a new XPS 13. In order to support the newer hardware, I'm running a mainline 3.19 kernel. Hibernate resume has been iffy with the entire 3.19 kernel line, but recently (3.19.5) ...
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24 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" \ ...
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1answer
34 views

hp update screwes stuff - black screen without acpi=off

you all know my previous two questions. Summary that booting Ubuntu is giving black screen and kernel panic in uefi and legacy respectively. So changing boot commandsin grub to acpi=off made it ...
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6answers
3k views

Touchpad stops working after suspend on a Clevo M55N

simple problem: Touchpad stops working after suspend in Ubuntu 11.10. It is an annoying problem as I like to use my touchpad together with my mouse for convenience (unless I must use my touchpad ...
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0answers
39 views

Ubuntu 16.04 LTS failures waking up from suspend

I did a clean install of Ubuntu 16.04 on my desktop computer several weeks ago. Using it everyday for those several weeks the suspend function worked fine until a few days ago when it would ...
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2answers
405 views

Cannot resume from hibernate using systemd under Ubuntu15.10

I've having some issues with getting resume from hibernate using systemd (swsusp) to work on a Lenovo IdeaPad Z510, running under Ubuntu 15.10 (issue was the same under prior versions of Ubuntu as ...
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0answers
17 views

notify-send not showing popup message

I have a script which executes on certain conditions, whenever I manually execute the script, the popup appears, however if i try to aumotate the script(i.e. run the script right after system is ...
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1answer
60 views

Laptop doesn't wake from sleep Ubuntu 16.04

I have this problem , my laptop doesn't wake up from sleep . Usually Ubuntu was handling this very well but I did a clean install of 16.04 today(I had windows 10 on it before) and I am stuck with this ...
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0answers
76 views

Ubuntu 15.10 Suspend / Resume blackscreen caused by Broadcom driver after no-internet install

Ubuntu 15.10 Suspend / Resume blackscreen caused by Broadcom driver after no-internet install of drivers. On a Dell XPS 15 with a Broadcom BCM4352 [14e4:43b1] On a clean install of Ubuntu 15.10 the ...
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0answers
19 views

Mint + Kernel 4.5.4: laptop loses suspend state when unplugged [on hold]

I'm using Linux Mint 17.3 on a newish Asus laptop with Mate desktop. To get the Nvidia graphics and Elan touchpad both to work, I installed the 4.5.4 Linux kernel. I've pretty much got everything ...
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0answers
17 views

start script after resume as logged in user (not root)

I'm running owncloud client in Ubuntu and after a suspend/resume there's a bug in owncloud which makes it not be able to connect to the server. I wrote a little script which should restart owncloud, ...
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0answers
10 views

How to backup the full system at runtime once a day

I would like to backup my 'server' running Ubuntu 14.04 every day at around 04:00. It needs to suspend after the backup has completed (I've got my script for this, but the software needs to have a ...
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2answers
23 views

How can I force my computer to sleep?

On another forum, I looked up a way to warn me when my computer would go to sleep. Unfortunately, instead of a warning, my computer doesn't sleep at all. The main problem is, I don't remember the code ...
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1answer
23 views

Script not running on resume/wakeup in Ubuntu

I have a script named 999_thaw_flash.sh in my /etc/pm/sleep.d The script follows like this :- export DISPLAY=:0 #!/bin/bash case "{$1}" in resume|thaw) lynx --dump link1 >> file1 lynx ...
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1answer
95 views

Suspend not working in 16.04 for Dell Inspiron

I recently upgraded ubuntu to 16.04 and since then I'm facing the problem of Suspension, computer doesn't wake up after the suspend and only black screen can be seen. What can be the possible ...
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3answers
520 views

Is the lock screen secure enough to prevent “Mallory” from accessing the encrypted drive?

I use truecrypt to encrypt one of my drives and I would want to leave the computer running processes that use information of that drive while I'm not home, I've tried suspending it but everything ...
17
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7answers
24k 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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3answers
72 views

In Ubuntu 16.04, which ACPI Global State does Suspend result in?

I have read the post on "What is suspend". However, I would like to know exactly which ACPI Global State does pressing the Suspend button lead to. Can someone explain this? Specifically, how do I ...
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0answers
24 views

Computer doesn't wake up from suspend AFTER installing bcmwl

I've recently updated from 14.04 to 16.04. I've got a Dell e7450, with a broadcom BCM4352 (pcid: 14e4:43b1) chip, and like always, there are problems communicating with this chip. On 14.04 what I did ...
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0answers
10 views

How to resume download rather than restarting in uTorrent Server 3.3 in ubuntu 14.04 lts?

My issue is that after I shut down my uTorrent Server 3.3 and restart the torrent I was downloading shows 'error' in the status rather than 'checking' and if I right click and click 'start' the ...
3
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0answers
31 views

Get Windows Back After Waking Up On 16.04 LTS

On my dual-monitor setup some windows get offscreen after the sleep (suspend) mode. I have to manually ALT-Space to move them back. How can this be accomplished automatically after the sleep?
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2answers
68 views

Sleep Timer to Suspend in Ubuntu MATE 16.04 LTS [duplicate]

is there a way (best would be with GUI) to suspend my Computer after xx minutes? I am using Ubuntu MATE 16.04 LTS and tried everything, including Power management. Thanks, philipp
6
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1answer
86 views

Why does `reboot` and `poweroff` work without super user privileges in Ubuntu 16.04?

There already are a lot of questions about why shutdown and reboot require root privileges. There are many good answers available too. Why do we need to be root in terminal for shutdown and restart? ...
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1answer
38 views

Suspend does not work on Dell T20 with 16.04

I installed Ubuntu 16.04 on my Dell T20. However I cannot get suspend to work properly (really saving energy). I know the hardware can suspend as another Dell running Windows does suspend properly. ...
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0answers
18 views

On 16.04 I lose the ability to write to or shutdown hard drive after un-suspending

This is happening on a flashed Toshiba Chromebook 2 (2015). If I leave my computer suspended long enough I lose the ability to write to my drive (can not create new documents, run scripts, open ...
2
votes
1answer
169 views

Ubuntu 16.04 LTS black screen after suspension on Dell Inspiron 15

I just installed Ubuntu 16.04 LTS on my new laptop from Dell with both an integrated graphics card Intel HD graphics 520 and a dedicated graphics card AMD radeon r5 m335. In my system ...
203
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11answers
234k views

How can I suspend/hibernate from command line?

How can I suspend or hibernate my laptop using command line, without installing additional software?
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0answers
86 views

Ubuntu 16.04 Black Screen when waking from suspend

My computer displays a black screen on waking from suspend/hibernate. This problem was present on 14.04, but was solved when I changed to a proprietary driver (NVIDIA). I recently wiped my Ubuntu ...
0
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1answer
42 views

Is there a USB wifi adapter that reliably works with Ubuntu? Including suspend/resume

TL;DR Is there a usb wifi dongle for ubuntu that works reliably, including suspend/resume support? I've used Ubuntu since around version 12. There wireless support has always been funky but I could ...
2
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2answers
4k views

Lubuntu 14.04 Tired about suspend e hibernation “power manager not authorized”

Below the post, last configuration I used, it seems works well. I've Lubuntu 14.04 installed on my netbook (aspire one ao-532h). I am using it like a desktop with external display and input devices. ...
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1answer
59 views

pm-suspend works, but clicking on “suspend” from GUI menu does nothing?

If I run sudo pm-suspend, it suspends correctly, and resumes too. No issues. But the OS timeout setting of "5 Minutes" from the "Power" menu in settings does not suspend the machine. Also, the GUI ...
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0answers
9 views

Numlock & Capslock lights wrong after Lubuntu wake-up

If I suspend my Lubuntu with either or both the numlock and capslock lights on then later wake it I find both lights off on my keyboard (Micro$oft 600). Both numlock and capslock remain in the same ...
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0answers
139 views

Backlight won't turn on after suspend on Macbook air (Early 2015)

After suspending my macbook by closing the lid the backlight will not turn back on however the rest of Ubuntu resumes normally. The screen brightness setting also has no effect on the screen ...
3
votes
2answers
229 views

Laptop won't suspend on 16.04 (Kernel 4.4.8)

So I had Kubuntu 16.04 which had been upgraded from 15.10. Always worked fine and slept when I closed the lid. I installed Ubuntu (switched from Kubuntu) (clean install, formatted root partition) ...
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0answers
19 views

Lenovo Y50-70 - Black laptop do not wake up after suspend.

Once I suspend my laptop, do not goes back to work. The computer still freeze when I tray to go back from a suspension and is not possible put it in low power consumption mode, because still working ...
0
votes
1answer
26 views

Running xfce4-power-manager as daemon with ubuntu 14.04 and awesome

I'm running default ubuntu 14.04 in combination with awesome WM 3.5.9. To enable proper suspend when I close my laptop lid I enable xfce4 after login through the following awesome command which makes ...
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votes
1answer
34 views

I still use version 15.10 — why are many things breaking (mysteriously)? [closed]

Every day, some thing that always worked fine suddenly breaks for no apparent reason. I use the Ubuntu distribution of FireFox (currently 46.0). Yesterday, after updating my extensions and rebooting ...
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0answers
45 views

Ubuntu 16.04 + unplug VGA => sleep

I just installed Ubuntu Desktop 16.04 on a little notebook (acer aspire). I will use it as a little linux server. As my screen is dead, I needed to plug an external display with VGA. Everything works ...
6
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3answers
572 views

Ubuntu 16.04 doesn't shut down after suspend or hibernate

Actually my question can appear identical to this one in this forum (and also this one elsewhere); indeed the question is the same, but I'm asking it anyway because I can give more informations and ...
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0answers
201 views

Wireless is disabled by hardware switch after suspend on HP 15-P214DX

I have HP 15-P214DX laptop, running Xubuntu 15.04. Every time I suspend my laptop, I cannot reconnect to WiFi anymore due to below message. Wireless is disabled by hardware switch. I can not ...
0
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1answer
26 views

After suspend mode, Wi-Fi won't reconnect to open network, but works fine on secure network. Any suggestions?

I have Ubuntu 16.04 on a 2007 MacBook. Wi-Fi works perfectly at home on my passworded Wi-Fi network, including after I suspend. But at a coffee shop which has two open Wi-Fi networks, the Wi-Fi won't ...
0
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0answers
12 views

Authenticate to suspend?

Fresh install of LUbuntu 16.04 on a Compaq CQ58 (El cheapo AMD C60 laptop from Wal*Mart, bought on Black Friday 2012.) I walk away from it and it's supposed to suspend. I come back to an ...
2
votes
2answers
66 views

Can I have a countdown window show the time until next suspend?

Occasionally I leave my computer unsuspended when I need to go somewhere but I am leaving it with people I absolutely trust and I will be back shortly so no real need to suspend (like if it's family ...