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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sleep and hibernate stopped working on my Win 7 machine after attempting to install Ubuntu

I tried an install of Ubuntu 14.04. I didn't get the option to install alongside so I chose inside. PC immediately rebooted to windows 7. I assumed the install failed completely so I let the win 7 ...
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0answers
7 views

Computer won't restore from monitor power saving

When monitor power saving mode is on and the monitor falls asleep, I can't wake it up and have to do a hard shutdown. I've tried pressing keys, moving and clicking the mouse, unplugging and replugging ...
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0answers
7 views

Problem with backlights in suspend ubuntu 15.04

i have problem with my backlights (i guess) when i put my laptop to suspend or closing the lid is goes everything in normal system will suspend but when i want to open up system will run but blank ...
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0answers
12 views

Ubuntu 15.04 won't suspend

i use ubuntu 15.04 on my laptop (ThinkPad t420s) and use Cinnamon desktop environment, my computer won't suspend when i press the button nor when i close the lid. In setting i have set it to suspend ...
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22 views

How to get XScreenSaver to lock screen on wakeup on GNOME?

I am wanting the same thing as I did here XScreenSaver Lock Screen, except for now that I am running Ubuntu GNOME 15.04, with GNOME Shell, and GNOME 3.16, things are slightly different, as the answer ...
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8 views

Green Bars Next to Cursor after Suspend 14.04

After resuming from a suspend in Ubuntu 14.04, I get a rectangular box filled with colored bars/lines that follows my cursor with a constant offset from it. The bars are sometimes green and sometimes ...
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20 views

Unresponsive system after suspend Ubuntu 15.04

Whole system unresponsive after suspend. Keyboard and mouse not responding, can't run Ctrl+Alt+F(1-6)… nothing. Same thing happen when using airodump-ng. Ubuntu 15.04 x64 AMD Phenom(tm) II X4 965 ...
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2answers
53 views

Unable to connect to Wifi in 14.04 LTS?

I have Lenovo Thinkpad Edge E430(32-bit) laptop. I have installed the 14.04 ubuntu version fresh rather than upgrading from the previous version. I am using this version for around 1 year. The wifi ...
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0answers
29 views

14.04.3 wakes up as soon as putting to sleep

I have Ubuntu 14.04.3 32 bit OS. I set my comp to sleep after 5 minutes of idleness. It was running OK until today. I should say that handling of power management is not reliable in Ubuntu. My system ...
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0answers
12 views

Power button closes apps?

When I press the power button to suspend, vlc and qbittorrent exit. It's really annoying cause some times I accidentally hit it and everything closes. Anyone know why or how to fix it?
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24 views

Why am I getting this message when coming out of hibernation

This has just started in the last couple of weeks. I do not shutdown my laptop I just shut the lid, but the next time I open the lid and turn the power back on I get the message below. What do I need ...
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0answers
10 views

Ubuntu on Macbook 4,1 (pre-October 2008) Backlight Laptop Screen Issue

I cannot get Ubuntu or Ubuntu-based systems to wake from sleep properly on a Macbook 4,1 pre-October 2008. The backlight for the laptop screen does not turn back on after waking and signal does not ...
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1answer
37 views

Ubuntu 15.04 suspend halt

I have laptop Lenovo E540 with SSD + HDD Ubuntu 15.04 on SSD with UEFI, kernel 3.19.0-26-generic Nvidia GeForce 840M with driver 346.59 The problem When I suspend the laptop, i hear HDD heads ...
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1answer
20 views

How to automatically lock screen on closing the lid and keep programs running (not sleep) on HP Laptop

I wanted to keep my apps running but get the screen secured when I close the lid. I did not want to get into sleep mode as this blocked my downloads and my running music. Also, I was lazy enough that ...
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0answers
26 views

How to enable hybride suspend in Ubuntu? [duplicate]

In ubuntu there is direct option for suspend then how to enable hybrid suspend?
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2answers
49 views

Suspend option is not working in Ubuntu 14.04

I'm new in the world of linux. I'm trying to learn it using Ubuntu 14.04 LTS version. My question is how to make the 'Suspend' option to work? Whenever i click that option from my laptop, the ...
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0answers
6 views

Linux live USB with working sleepmode searched for secure erase SSD

I want to secure delete a SSD drive. I tried to perform the secure delete order with hdparm, but the drive is frozen. Loading the Samsung bootimage lead to the same result: The dialogue says the ...
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0answers
36 views

Prevent Immediate Resume after Suspend

I am running Ubuntu 14.04 on a Dell I7352-3111SLV 13 inch touchscreen. As per this post I've fixed my touchpad, But my machine now resumes from suspend as soon as it finishes the power down cycle. ...
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1answer
28 views

Laptop suspends on shutdown with lid closed

I'm struggling to phrase this question very coherently, but here's what I'm struggling with... I have a Lenovo laptop from a few years ago. Recently, I put ubuntu on it. As it stands right now, I've ...
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0answers
28 views

Xubuntu 15.04 hangs on suspend

I've done a new, fresh installation of Xubuntu 15.04 on an Acer Aspire E 11 (E3-112-C8R5). When I try to suspend (either by pressing the "suspend" button from the GUI, or closing the lid), the OS just ...
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0answers
20 views

Blank screen after resume from suspend on 14.04 (installed on Samsung NP900X3A)

I installed ubuntu 14.04 on my ultrabook Samsung NP900X3A. The main problem I get is the strange behaviour of the computer after resume from suspend: it seems to recover, but nothing appears on the ...
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0answers
21 views

Ubuntu 14.04+MATE - Why resuming from suspend is SO SLOW?

I'm just beginning with Ubuntu and I'm very happy with it. I'm running Ubuntu 14.04 with the MATE Desktop Environment. I've only found a little problem: whenever my notebook suspends it takes up to ...
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0answers
34 views

Ubuntu 14.04 mic not working after suspend

My (build-in) microphone on my PC Specialist laptop is not working after waking up from suspend. Just to give you an idea what I have tried so far: here is the sound troubleshooting tutorial I have ...
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0answers
14 views

Flash player making my machine sleep while in full screen [duplicate]

For some odd reason, whenever I'm watching a video in full screen, my machine decides to sleep on me. I looked around in the settings and I could not find anything. Any suggestions on what to do? I ...
2
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1answer
59 views

Touchpad only works after hibernate

A couple of days ago, I installed Ubuntu 14.04 on a Dell I7352-3111SLV 13 inch touchscreen laptop. Initially, the touchpad worked fine. The first time I suspended, the touchpad stopped working, even ...
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2answers
77 views

Make a script start after suspend in Ubuntu 15.04 (systemd)

I have a script that starts my broadband connection at start-up and I want to make it start at resume from suspend. My script's is /usr/local/bin/start_my_connection it contains: #!/bin/sh sleep ...
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0answers
22 views

I start off in TTY7, but end up in TTY2, how come?

When I start my machine, I first see that I am in TTY1, and then the mouse appears and I am in TTY7. It's a little odd, but doesn't bother me too much. However, and I think that this only happens ...
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0answers
26 views

How does YouTube prevent OS from sleeping? Can it work for other HTML5 players?

There were many questions here about preventing the OS to go into the sleep/suspend/screensaver mode when running an app (say, watching a video in the browser, but it doesn't have to be a ...
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0answers
11 views

Why won't my monitor get a signal after bringing PC out of suspend?

Every time I suspend my PC and then press the power button to start it up again, my monitor remains dark though the PC is running. Why is this?
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0answers
16 views

Ubuntu 14.04 Randomly shutting down

I have an Intel DQ77KB Mini ITX (i7, 6G DDR3 1300) running Ubuntu 14.04 and it randomly shuts down. The machine is just hosting ownCloud, nothing else. I've been reading all of the other posts with ...
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0answers
40 views

Laptop doesn't suspend when lid is closed - No state change

I have a problem about my laptop that doesn't suspend when i close lid. First the story. I bought a new Acer e3-112. It camed with win8.1 and i upgraded it to win10. Then i shrinked the hdd and ...
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0answers
15 views

Screen Switches Off And Also Kills Downloads

Im using Ubuntu 14.04 on most of the default settings. By default the screen switches off after 5min and "dims to save power". I have unchecked the lock checkbox so when I return to my computer I dont ...
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0answers
15 views

Problem suspending

My problem is that I have ubuntu 14.04.4 in my laptop Asus and I can't suspend it. When I try to do it the laptop start again immediately. I want to know if I can do something to solve this problem. ...
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0answers
24 views

Lenovo E440 dont wake up Ubuntu 15.04

After suspend my ubuntu 15.04 on Lenovo Thinkpad E440, ubuntu dont wake up. Please help me.
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1answer
60 views

Suspension on my computer under Ubuntu 14.04 LTS 64 bit won't work properly

I have a problem about suspension procedure under Ubuntu 14.04. It won't work properly; that is I can activate it, but when trying to resume the system it restarts, as if I had turned it off and then ...
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0answers
33 views

Dell XPS 13 9343 - external Logitech USB Mouse issue

i have a Dell XPS 13 9343 w/ Kubuntu 15.04 Kernel 4.1.2 Due to issues with the trackpad (other question) i switched to external USB Logitech wireless mouse as a workaround. It's working fine until.. ...
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3answers
57 views

No display after resuming from suspend

The laptop is able to suspend. After resuming from suspend, there is simply no display, the screen remains off. Based on all the other answers, I have tried the various Ctrl+Alt+Fn (1 - 12) ...
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0answers
21 views

Kernel problem(KernelOops)

sometimes(almost every time) when I've put my PC on Suspend and after that I've open again, it's blocked, more exactly I can't move anything or open anything... I can't do nothing on it so I'm force ...
2
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2answers
105 views

Revert to Utopic Stack on 14.04.3

I bounced from perfect 14.04.1, to Freya, to 15.04 and lastly 14.04.3. I couldn't find 14.04.1 on the Ubuntu website. Once I left Freya, I started having issues, every time X was started, there was a ...
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0answers
23 views

Why do I have problems when Isuspend my pc?

I used a netbook with xubuntu 14.04 and when I closed it in order to suspend the PC I couldn't turn it on again. When I turn on the computer after suspend the screen stays black and I have to reboot ...
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0answers
21 views

Ubuntu 14.04 with Asus Q550LF sleep mode issues

I recently installed Ubuntu 14.04 on my Asus Q550LF and for some reason I have issues with sleep mode. When I put my computer in "suspend mode" or when I shut it sometimes the screen won't work again ...
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2answers
27 views

when i close my laptop lid my secund screen requiers password when set to do nothing

I'm new to Linux using Ubuntu 14.04.2 LTS 64-bit and using a Fujitsu lifebook a series. When I close my laptop lid while trying to watch a movie on my TV with the HDMI cable. the screen requires my ...
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0answers
21 views

Certain keyboard shortcuts stop working when closing laptop lid with external monitors connected

I have an Asus Zenbook UX303LA laptop and I'm working with two external monitors connected to HDMI and mDP ports on Ubuntu 15.04. When I close the laptop lid, I get the error that ...
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0answers
78 views

Wake-on-lan successful if shut down by Windows 7, not Ubuntu 14.04

I have a computer with dual OS Ubuntu 14.04 and Windows 7. I can wake my computer up using WOL if I shut it down using Windows 7, so I am quite sure there is no hardware support issue. I have also ...
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0answers
25 views

Suspend to disk on ASUS eee pc 1005 HA under kubuntu 15.04

I just switched from openSuSE to kubuntu last week. I have only one problem with it on my eee-pc 1005HA: When I suspend to disk, it does not switch off by itself as it should. Waiting, until the ...
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0answers
18 views

How to detect the method which woke the computer?

I'm hoping to write a script that will, in the middle of the night, turn a suspended computer on and cause it to immediately hibernate. I'm well aware of the "hybrid suspend" options available, but I ...
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1answer
61 views

Is there a wireless controller that can wake Ubuntu, or at least keep it from sleeping?

When I play games in Steam, my computer doesn't recognize that I'm mashing buttons and it goes into sleep/suspend mode. I don't want to disable power management or use wake on LAN. Is there any other ...
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0answers
31 views

How to bisect kernel when good is v3.11.10 and bad is 3.12.0

since upgrading from Ubuntu 13.10 to 14.04 (changing from kernel 3.11.10 to 3.12.0+), suspend hangs occasionally on my 2 different PCs. It is reproducible on 14.04, 14.10 and still present in all ...
4
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1answer
46 views

Advanced power options for lid closing

I have ubuntu 14.04 installed on my dell e5440. What I'm trying to do is to make my computer suspend when I close the lid when I'm plugged in and hibernate when on battery power. What I've managed so ...
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0answers
142 views

Ubuntu 15.04 suspend freeze

I use Ubuntu 15.04 with stock kernel on my laptop. When I boot up my laptop and then try to suspend, everything works perfectly. But when I work for few hours and then try to go to suspend, it almost ...