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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Show blank screen on suspand Ubuntu 14.04

I am using Ubuntu 14.04 on my HP e015tx laptop which have AMD REDEON Graphics card It show blank screen on suspend Ubuntu 14.04 and Laptop is not workable after this.
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cannot connect wireless keyboard when wakeup

I'm using Ubuntu 14.04 and a Logitech K520 wireless keyboard-mouse set. Occasionally, when I wake up Ubuntu from suspending, I find that the mouse works but the keyboard doesn't. And I find a way to ...
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1answer
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Laptop hangs on exit of suspend mode when using Ubuntu 14.04.1 LTS?

I have an Asus S56CA Laptop that is using Ubuntu 14.04.1 LTS as a sole Operating System. Previous to this I was using Ubuntu 14.04 and had lots of unwanted documents, images, videos etc and also had ...
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4 views

display resolution broken after sleep

I recently install xubunut 14.04 About half the time when I wake it up after the display goes to sleep display settings are wrong (maybe just the resolution). Rebooting has fixed it so far. How can ...
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12 views

How can I make my display work again in Xubuntu?

I'm running Xubuntu 14.04 and I was testing some stuff because I have a dual display setup, and one display never wakes up from suspend. So I tried this, to see if the display would wake up: sudo ...
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1answer
16 views

Can't login after sleep (Ubuntu 14.04)

I've got Ubuntu 14.04 installed on my laptop (Lenovo Z570), and it is fully updated. The trouble is that when I wake it from a sleep long enough to require entering my password to login, it won't let ...
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14 views

Xubuntu 14.04 - Closing lid doesn't immediately trigger xscreensaver

When I close the lid of my laptop, it suspends. When I open the lid and push a key, it wakes as expected. If it has been five minutes (the timer for xscreensaver), the screen will be locked. If it has ...
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18 views

Issue with resume from standby, this is very strange!

I have a very strange issue with resume from standby, pm-standby issued manually via a console either in X or a separate console works, the system goes to standby correctly and resumes back to the ...
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14 views

Ubuntu comes out of hibernate/stand by randomly

I have an ubuntu 12.04 laptop and it comes out of hibernate or standby randomly. For example, yesterday I selected hibernate, closed the lid and put it in my computer bag. 24 hours later, it is ...
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14 views

/sys is mounted read-only and this stops my laptop from suspending to RAM

My laptop has recently started to fail to suspend to RAM from time to time. I've completely re-installed Kubuntu 14.04 (trusty), but the error comes back intermittently. Looking at ...
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Suspend Issue on MacBook Pro 3.1 running ubuntu 12.04

I know there are a lot of question like this, but using the solution proposed I was not able to fix the problem. I tried: GRUB_CMDLINE_LINUX_DEFAULT="nomodset acpi_sleep=nonvs" and sudo ...
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2answers
92 views

14.04 - Keyboard does not work in login screen after sleep [duplicate]

I have an issue I'm not sure how to work out. On Ubuntu 14.04, after sleeping the keyboard will be non-responsive most of the time on the lightdm login screen. It's not completely non-responsive: I ...
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1answer
24 views

What is a simple command/process I can run to prevent Ubuntu from sleeping?

I want to make simple "sleep" script for Ubuntu. So I can watch Hulu and the machine will not suspend or turn off the display. I think I can figure out most of it, but this part I don't even know ...
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13 views

Ubuntu installed on usb Hard Drive cannot suspend

i'm trying to make suspension working with an installation of ubuntu 14.04 64bit on external usb hard drive 2.5". The standby works good, but after wake up it doesn't recognize/find the hard disk and ...
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50 views

Xubuntu 14.04 cannot wake up after sleep: [closed]

When i close my laptop screen it not goes sleep only turns off the screen, when i open my laptop the screen is black and i can't do anything except to turn it off and on by the power button. When it ...
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1answer
34 views

Ubuntu 14.04 wakes from suspend by itself

My machine seems to wake up from suspend by itself, at irregular intervals. Causing the power to die out, and machine turn off. It is quite the annoyance, when the machine is in my case and it wakes ...
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How do I make the Suspend Option Appear in 14.04 with Cinnamon 2.2

I recently upgraded from Ubuntu 13.10 with Cinnamon 2 to Ubuntu 14.04 with Cinnamon 2.2 I no longer have the option to Suspend from the shutdown menu. Closing the lid will not suspend the system ...
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58 views

High CPU usage after startup - low after suspending [closed]

I'm using a Compaq nc6320 with an Intel Core 2 CPU T5600 processor and an SSD. I used to have windows xp and ubuntu 12.04 (dual boot) on it and 12.05 worked just fine. It was quite fast on start up ...
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17 views

Why does my laptop grayscreen after I reopen it?

I'm using an Intel Macbook on Ubuntu 12.04 with kernel version 3.11.0-26-generic The problem I've been having is that, when I close the laptop lid and reopen it the machine does not resume ...
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1answer
30 views

Reload keyboard shortcuts

Each time I suspend and then resume on my Acer C720, Unity loses my custom keyboard shortcuts. I'm talking about these: I use them because that's where the associated keys on a Chromebook are. Is ...
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1answer
91 views

Ubuntu 12.04 - no internet after wakeup, wifi/lan connected, but reaching only local network

I have a strange problem on Toshiba Satellite NB and Ubuntu 12.04 on it. This system is working flawlessly a couple of months now already, but since last week I am getting a strange problem. I put ...
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12 views

Corrupted Windows 8 Virtual Machine Start Screen

I'm running GeForce GT 330M/PCIe/SSE2 with proprietary driver (nvidia_331_updates). Everything works normally with no issues until I suspend my Ubuntu 14.04 host. If I suspend from the drop-down menu ...
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1answer
18 views

VLC player automatically closed on suspend - Ubuntu 14.04

When my system is suspended, ubuntu 14.04 automatically closes all the open VLC players. I recently migrated to 14.04 from 12.04, and I was not facing this problem with 12.04. I normally have one or ...
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21 views

Screen is black after closing the lid, reboot does NOT work, completly unresponsive, HELP

computer: samsung N150, OS: Lubuntu 14.04, dual boot with windows 7 I am a non-experienced user. I got a black screen after closing the lid, and restarting the computer from the on/off button does NOT ...
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1answer
33 views

rtcwake cron does not work

I intend to put my computer to sleep every night and make it wake up again next morning. I found that rtcwake would serve my purpose. However putting it in the crontab does nothing. Following is my ...
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20 views

Cannot access Disk settings for external USB drive and drive does not sleep

I have a Seagate Plus 4 TB external USB 3.0 hard drive and am running stock Ubuntu 14.04 64-bit. The OS is running on my internal hard drive. External is for backups. I always had my drive set to ...
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41 views

Ubuntu 14.04 Suspend only locks screen? [closed]

I have installed Ubuntu 14.04 recently but i am having this problem! when i try to suspend my laptop it only locks screen and that's it, it doesnt goto suspend mode.i have searched and searched for ...
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0answers
48 views

Macbook Air 2013 won't wake after opening lid 14.04

I've got a 13" mid-2013 MacBook Air, and I'm dual booting OSx and Xubuntu. Everything seems to be working relatively well except waking the laptop by opening the lid. The screen lights up to the login ...
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0answers
18 views

How to disable Suspend and Hibernate functions? [duplicate]

I don't use neither suspend nor hibernate PC function at all. I do only shutdown and reboot. However it comes into my way sometimes, i.e. when I accidentally click on "Suspend" instead of "Shutdown" ...
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0answers
67 views

Black screen on resume after suspend, pm_test is fine [closed]

I'm using Ubuntu 14.04 on a Lenovo IdeaPad S205. When I resume from suspend-to-RAM, fan goes on but screen stays off. The computer does not respond to anything except a hard shutdown (press and hold ...
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2answers
45 views

Left Mouse sometimes stops working after Sleep

I have a laptop (HP EliteBook) with the latest Ubuntu (14.04 Desktop 64 bit) installed. When I close the lid it goes into sleep mode. When I wake it up again, the left mouse button regularily stops ...
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27 views

Wifi Disabled After suspend Samsung Np355v5c-so5in

When laptop goes to sleep or suspend itself after leaving it the moment i get into login screen and log in it dosent show wifi. It has empty wifi symbol and if i click on that symbol it has enable ...
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0answers
38 views

NOUVEAU on 2013 15" macbook 14.04 crashes on resume

I have a 2013 Macbook Pro 15" (Macbook 11,3). My laptop works perfectly fine except awaking from suspend. I can see the screen, the keyboard does not work after waking up and my laptop (at least my ...
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1answer
16 views

Determine time and length of last suspend

I would like to know time and length of last system suspend. Is it possible? EDIT dmesg | grep -A10 suspend [27075.428135] PM: suspend of devices complete after 998.769 msecs [27075.432139] PM: late ...
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127 views

Mouse and keyboard not working when i resume after suspend ubuntu 14.04

I installed ubuntu 14.04 on my Dell inspiron 5537 by USB. Everything worked fine, but after i resume my computer from suspend my touch-pad and my keyboard are not responding. So, i tried to reinstall ...
2
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1answer
132 views

sh: echo: I/O error on pm-suspend Ubuntu 14.04

I just installed Ubuntu 14.04 on my Fujitsu Lifebook U772 after a long hiatus with Opensuse and after the install, it appears that pm-suspend works out of the box. A few days of setting up later, ...
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2answers
52 views

Stop computer from sleeping

Okay, so I'm new to trying out Linux. I want to get more comfortable with it but when basic things like stopping the computer from falling asleep on me become impossible to fix from a "I can't find ...
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0answers
19 views

Sleep mode not working on ubuntu 14.04 [duplicate]

My Asus doesn't go to sleep mode if I ask it to on Ubuntu 14.04. Sometimes it works after some updates, then it stops working after another update... This is the message I get on a black screen for 3 ...
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1answer
40 views

Power Button shutdown permission override

I realise there are several questions about Power Button options, but this is a little different. On my system, shared with my family, I have disabled shutdown from the device menu, users may only ...
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0answers
96 views

Ubuntu 14.04 Suspend Resuming Issue

I've had a problem with the "Suspend" feature on Ubuntu, and generally when you get a problem you look online for a fix, which I have done and I haven't found a fix, all I have found is other people ...
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1answer
47 views

Blinking moon of death since SSD upgrade on standby [closed]

I own a Lenovo SL510 (4G RAM) and I just upgraded it with a Samsung 840 Evo 120G. Previously I was using Ubuntu. Later on I switched to Linux Mint Nadia. At the very beginning (Ubuntu 10.10 I guess) ...
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0answers
12 views

When I push the sleep button on my keyboard, it prompts for a password

How can I disable the password when I push the sleep button? I just want it to sleep.
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0answers
30 views

Computer won't suspend : ACPI set timing mode failed

Some time ago I installed Ubuntu 14.04 so I am kinda new to using Linux in general. After the install I started facing an extremely annoying error. Every time I try to suspend/hibernate my laptop I ...
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0answers
49 views

Why the suspend is not even close to consuming 0 power? [closed]

Out of curiosity, I've measured power consumption of my computer on various states/loads. And guess what, suspend is not that energy saving as you may guess! It's far from claimed 0 or nearly 0 power ...
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1answer
25 views

Ubuntu External HDD Login error

I have Ubuntu installed on my external hard drive. It runs pretty decently until I leave it for a minute. Once it comes out of suspension, it asks for my password. After entering my password, the ...
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1answer
96 views

Dell Latitude e6400 on Ubuntu 14.04 not working after resume from suspend

Can someone help me as I'm facing with the following issue: after resume my Dell Latitude E6400 from suspend mode it is not working and get a message like my wifi connection is offline and the system ...
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1answer
51 views

Suspend state in ubuntu 14.04

Setting in my computer is such that the system suspends when I close the lid.When I open the lid later on, the system boots up as though it was starting for the first time,and it was previously shut ...
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0answers
42 views

Multi screen inactivity suspend

I am new at this so please bear with me, My question is: I have two screens on my pc one 22" monitor and one 26" HDTV now the monitor is connected via a VGA port and the TV via a HDMI port both of ...
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0answers
31 views

Suspend fails to go to sleep

I have an Asus Zenbook Prime model ux-32A with kubuntu 14.04 and the suspend command does not actually suspends. when hit (either stop button or pm-suspend command) nothing happens. Below is the ...
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2answers
86 views

Why does Suspend/Resume fail to render desktop upon signing in 14.04?

My machine is a Dell Latitude E6510 with Ubuntu 14.04 installed. Whenever I Suspend, either by clicking the suspend button from the system menu or by closing the laptop, and then resume, the log-in ...