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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Ubuntu 14.04 restarts on suspending

Installed 14.04 LTS on my Lenovo G50-40.Laptop tools didn't work;rather, it messed up booting.All the answers to similar questions asked previously have not worked. On pressing suspend/closing laptop ...
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23 views

Unable to login after suspend in Ubuntu 14.04 Gnome LTS

After waking from the suspend or sleep mode, I am not able to login, the only way is to reboot or to use Ctrl + Alt + F1 to use sudo restart gdm, I am using Ubuntu 14.04 Gnome LTS 64 bit and the ...
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2answers
157 views

Lenovo G50-80 suspend freeze on Kubuntu 16.04

I have recently installed Kubuntu 16.04 LTS alongside Windows 10 Pro on one HDD. System selection works. But when I use suspend in Kubuntu computer freezes entirely. Screen turn off, but all LEDs are ...
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1answer
54 views

Preventing my machine from sleeping

I recently upgraded from 14.04 Trusty to 16.04 Xenial. Prior to the upgrade, I used the caffeine-plus indicator icon to tell the my laptop when it could sleep. The mode I normally used was to have ...
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0answers
22 views

Acer R3 131T laptop not sleeping

I recently purchased an Acer R3 131T. Ubuntu runs very well on it except sleeping. Whether I close the lid, press the power button or select to sleep the laptop from Unity, it does not go to sleep. ...
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0answers
20 views

Erratic Fn key behaviour

I've recently installed Xubuntu 16.04, and now the switching between the normal functions of the F-Keys and their "special" functions is really irratic. For example, after booting F1 goes to the help ...
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2answers
183 views

Xubuntu 16.04 can't restart from sleep mode

I install Xubuntu 16.04 on an HP-Pavilion G6. I can go in sleep mode but I can't restart the laptop. The only way out is to press the on/off buttom and restart the computer. Seems that many poeple ...
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0answers
43 views

Heavy Screen Glitch after Suspend, 16.04

I recently decided to load up Ubuntu on my HP Envy 15, it has a dual graphics solution with HD 5500 integrated and GTX 950M discrete outputting to a 3200x1800 panel. Everything works at boot time, ...
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1answer
90 views

How to get laptop lid to suspend & resume, and wifi to reconnect with Ubuntu 16.04

On my Compaq Presario CQ62 laptop Ubuntu 14.04 would suspend on lid close. But a clean install of 16.04 ignored the lid action. According to ...
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3answers
556 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
28 views

How to prevent sleep/keep screen on when on USB power for Ubuntu Touch devices?

On Android devices, there is an option Settings > Developer Options > Stay awake when charging which keeps the device ON (prevents sleep) even if the device is not touched, when the device is ...
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0answers
38 views

Ubuntu Won't Shut Down With Splash

So I have an Acer Aspire ES1-512-C96S with some weird issues. I started with Ubuntu 14.10 as the initial installation and have since upgraded to 15 and now 16.04. The issue is that the computer never ...
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150 views

Suspend doesn't work after upgrading to 16.04

I've been using xubuntu 15.10 and everything was working fine. After upgrading to 16.04 several bugs appeared: Now I'm running kernel 4.4.0-21-generic. After suspending the laptop the display turns ...
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0answers
81 views

16.04 update : several issues

I recently upgraded from ubuntu 15.10 to ubuntu 16.04 (and at the same time from gnome 3.16 to gnome 3.18 I think) and it all went pretty bad. The x server didn't want to start anymore. After some ...
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0answers
41 views

PC Sleeps during installation of Ubuntu 16.04

Now I have been trying to install ubuntu 16.04 since the past two days. I have wiped out my hard disks. Deleted everything. Downloaded three different files of Ubuntu 16.04. Twice from the website and ...
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1answer
402 views

How to change Graphics Driver in 16.04 from i915 to open source driver?

Noob Question, so please don't get annoyed! I upgraded from 15.04 to 16.04 LTS, and now my system reboots often for no reason, doesn't "suspend" etc.. I have a Lenovo with Intel Core i5, and AMD ...
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1answer
114 views

Script to Restart Network Manager after Resume from Sleep

When my laptop resumes from sleep, the wifi connection doesn't resume and I have to manually restart network manager every time with sudo service network-manager restart from terminal. I had a script ...
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0answers
24 views

Gconf-editor is missing settings

I am running Ubuntu 14.04 Unity and trying to stop the laptop suspending when I close the lid. I installed gconf-editor but I found it is missing ALOT of settings: I know gconf-editor has been ...
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0answers
25 views

14.04 Suspend resume failure ThinkPad Yoga 2

I have a ThinkPad Yoga 2nd generation laptop which I installed Linux 14.04 onto. It works great but I'm having one major bug that I can't figure out how to fix. Whenever I try to resume my laptop from ...
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2answers
21 views

run two ongoing processes on startup with one that needs initialization time

I'd like to record start recording utility consumption right at startup but I can't find the right combo of operators, pipes, and sleep commands to enter into crontab -e . I think my smartest attempt ...
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1answer
113 views

Thinkpad E560 cannot sleep on Ubuntu GNOME 16.04

Hello fellow Ubuntu users, I freshly installed Ubuntu GNOME 16.04 on my Lenovo Thinkpad E560. When I close the lid of the notebook, it does not seem suspend whatsoever. The indicator led stays on ...
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1answer
204 views

Upgraded Ubuntu 16.04 sometimes fails to sleep

I upgraded my system from 15.10 (Ubuntu + xfce = XUbuntu) to 16.04 and afterwards it happens 50% that when I send system to Sleep through "start menu > turn off > sleep" that screens go blank and ...
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1answer
31 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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0answers
22 views

My window control buttons sometimes disappear after suspend

My close / maximize / minimize buttons sometimes disappears, as well as my top menu after my system comes back from sleep. It goes is transparent and not black (ambience theme). How can I fix this? ...
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1answer
107 views

16.04 wont suspend when lid is closed

I have a HP Pavilion x360 I was able to get suspend and hibernation to work however it only works my the menu. When I close my lid it it just turns off the display. It seems that any option I select ...
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0answers
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HP pavillion x360 i5 acpi=off no suspend & wifi

as ya know, me Core i5 13inch HP Pavillion no like ubuntu :'( so i NEED acpi=off to get more then, a BSOD (booting in legacy mode shows its actually a kernal panic :/ ) and no other command works ...
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0answers
97 views

Kubuntu 16.04: Suspend works only once after reboot

After upgrading to Kubuntu 16.04 (with default 4.4 kernel), suspending works only once after reboot. Second attempt fails, the screen goes blank, but the power remains on. After a forced reboot, I can ...
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1answer
56 views

Some icons and text randomly become invisible after waking up from sleep (ubuntu gnome)

Icons, and things in the dropdown settings sometime disappear, (see screenshots) : http://imgur.com/a/NNLmq This happens after waking up from sleep and can be fixed until waking up from sleep again by ...
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2answers
177 views

Since 16.04, I don't have 'when the lid is closed' options in power settings

Old OS/kernels: Ubuntu 15.10 with 4.4 kernels manually installed. New OS/kernels: Ubuntu 16.04 (no custom kernels, so 4.4 in place). Since upgrading to 16.04 it doesn't suspend correctly. when I open ...
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0answers
150 views

Problem shutting down or restarting after suspend.16.04

Yesterday I noticed when I went to restart my laptop, it wouldn't. The computer is a brand new Dell XPS 13 9350. After looking into some things I noticed that it would only happen (Not shutting down) ...
4
votes
1answer
67 views

Sleep Mode Problem Unable to Wakeup

I have upgraded from 15.10 to 16.04 and when the computer goes into sleep mode I can not wake it up. Have to turn off the computer and turn back on to see anything on the the display. The sleep mode ...
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4answers
2k 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 ...
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0answers
59 views

Potential Solution for ASUS X455LB Touchpad not working after Resume

I'll preface this by saying that I'm still fairly novice to using Linux but am really keen on using/learning it. I've been having troubles with Ubuntu (15.10 and now 16.04) lately after I installed ...
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2answers
344 views

Ubuntu Mate 16.04 suspend issues

My system (HP Pavilion 15-ac630tx) hangs every time when I suspend. The screen is blank but the CPU fan is still spinning. None of the suggestions I have read (like switching to a terminal, various ...
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1answer
766 views

Ubuntu 16.04 is not providing working suspend or hibernate feature

I previously used 14.04 and i used to suspend when ever i am done and need to resume my task later . That shuts my machine down(except the LED indicator) which didn't consume power and no heating so i ...
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0answers
66 views

in (x)ubuntu 16 screen goes in sleep-mode and blocks computer

While installing, after a while the screen goes in sleep-mode (=normal), but awake is not possible anymore. The screen is black and the keyboard is blocked (even numlock) Same thing occurs in a ...
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0answers
154 views

Change “power-button-action” comand for “hibernate” option in GNOME 3.18

I am used to have an interactive menu when i press my power button, but since I recently installed GNOME 3.18, i found out that the only available actions for power button press are : "nothing", ...
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2answers
164 views

Why can't I wake up the system after upgrade to 16.04?

The upgrade to 16.04 appeared to proceed normally, but now I find that when the system goes to sleep, there is no way to wake it up. I have to force a hard power off to reboot the system.
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2answers
330 views

Ideapad 300 suspend not working on 16.04

I was unable to get my Ideapad 300 running properly with 14.04(no wifi and lan not functioning), so I decided to try LTS 16.04. Everything works well untill I tried going to suspend mode. Either when ...
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0answers
134 views

Kernel freeze on wake up 16.04

I've been using ubuntu for a couple of months now and after kernel 3.56, I started seeing a problem when I wake up my pc. Basically, the first few second everything is working fine and then mouse, ...
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0answers
13 views

laptop screen suspends after unplugging charging cable, also disables wi-fi connection : ubuntu 14.04

Whenever I unplug the charging cable cord from my laptop(Lenovo G580), the screen temporarily suspends, after blinking 1-2 time(s). Then I press spacebar (or maybe any key can work) and screen ...
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1answer
94 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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1answer
2k views

Suspend not working on Ubuntu 16.04 for Dell 3537

I was on Ubuntu (vanilla, with Unity) 14.04 until yesterday, and since the new LTS version came out, I decided to go for an Ubuntu GNOME 16.04 clean install. Since I installed Ubuntu GNOME 16.04 ...
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1answer
3k views

Ubuntu 16.04 LTS cannot suspend / fails on suspending

I have recently upgraded my desktop to Ubuntu 16.04. I had one problem with it before, which was that the Unity Launcher and status bar were missing. I solved this with this page. However, when I try ...
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2answers
64 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 ...
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0answers
15 views

Jack Audio doesn't work after standby

I have a computer set up as an audio editing/mastering workstation. It draws a lot of power during idle, so I really prefer to put it into standby when I'm not using it; however, when I put it into ...
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0answers
25 views

Standby Problem, PC can not suspend

I have a problem with the Standby function: My Computer does not enter the Standby mode with Ubuntu 14.04LTS. When i press Standby in the menu or on my Keyboard, the display turns black for a few ...
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1answer
26 views

Closing the lid create an error with the wireless icon

Since updating to 16.04, I encounter a problem where the wifi symbol would become an up and a down arrow. The problem arises when I close the lid, but sometimes it does not matter whether I close the ...
0
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1answer
160 views

Installed laptop-mode-tool 16.04, now USB mouse not working after rebooting until it is re plughed in

I did a fresh install of 16.04 on my vizio ct14-a0 ultrabook. I installed laptop-mode-tools Then I edited the AUTOSUSPEND_TIMEOUT in file /etc/laptop-mode/conf.d/runtime-pm.conf file from =2, ...
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1answer
299 views

Ubuntu 16.04 LTS “suspend error at second” [duplicate]

please help me, i have problem with the suspend. what ever i do to suspend via close lid or klik suspend button it running well at first. but the second suspend my laptop can't suspend properly, it ...