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 suspends and hibernates but does not wake up

I recently installed Ubuntu 14.04 on my HP laptop. I enabled hibernate, but when I choose suspend or hibernate everything goes fine except that it does not wake up. It freezes on resuming. lspci -nn ...
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1answer
24 views

Boot to suspend?

I am having a weird issue here that I am not quite sure how to fix! After thinking for almost an entire day that I have one of those infamous boot to black screen issues that I wasn’t able to fix, ...
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8 views

Command to sleep (put into low power state) and scheduled task to wake back up [duplicate]

I can use sudo pm-hibernate to put my laptop into a low power state, but I have to press the power button to turn it back on. Is there a way I can put it into a low power state that can then be turned ...
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22 views

Ubuntu 14.10 not suspeding on Dell Inspiron 17r

I am with a trouble that my Ubuntu 14.10 system is not suspending nor shutdown. I ran a public script that I found in some other posts but it is not running even. What I can do to make able to my ...
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16 views

Initialize USB keyboard attached while suspended

I have a laptop that I sometimes want to use with separate peripherals; external monitor, external keyboard and external mouse. When in this mode, I want to keep the laptop closed and tucked away (as ...
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1answer
26 views

How to temporarily disable sleep and hibernate from the command line

It seems like there are many ways in which a Ubuntu's settings can be permanently manipulated to sleep when desired as long as predetermined conditions are met. However, these are more permanent ...
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11 views

What does this mean:- pnp 00:06: Plug and Play ACPI device, IDs PNP0303 (active)

After suspend mode i get an error : Device 00:06 failed to resume: error -19. After trying dmesg | grep 00:06 i got the following output: [ 0.732074] pnp 00:06: Plug and Play ACPI device, IDs ...
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1answer
58 views

Keyboard and touchpad stopped working after sleep

I'm using Ubuntu 14.10 but I had this problem before with Ubuntu 14.04. I need to force my computer to shut don't, else it does not respond. What can I do to solve this problem? Thank you in ...
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29 views

Is there any way to make the system not to suspend while a download in progress?

Is there any way to set the system not to suspend while a download in progress but only turn screen off?
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1answer
36 views

SED (self encrpyting disk) is crashing on system resume

I have asked this question before (here and here ) My problem is that my Self Encrypted Disk (SED) have to NOT spin down even on suspend! I have tried this, but it did not work and the disk spin ...
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28 views

Unity settings cannot be changed. What happened and How to fix?

When I started using my computer after it went to sleep, all the icons on the Unity launcher were reset: now, I can't even lock or unlock them from my launcher, they just re-appear. I can't make the ...
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34 views

Computer do not suspend after upgrading to Ubuntu 14.10

My system is not suspending after I upgraded to Ubuntu 14.10. When click Suspend, the screen goes black, but do not suspend. My notebook led shows that they are still awakening. Also, I have ...
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1answer
41 views

12.04-Laptop freezes everytime I close my lid

my 12.04 Ubuntu laptop freezes every time I close my lid. I have recently installed Gnome 3.8 on my computer and removed it because I did not like it. It is probably caused because of that. And now, ...
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1answer
24 views

What's waking my laptop up?

Sometimes, but not always, my laptop running 14.04 wakes up a few seconds after I shut the lid. How do I diagnose what's going on here? I want it to be suspended when the lid closes and stay ...
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38 views

Suspend and hibernate break brightness adjustment

I am currently using Ubuntu 14.04 (architecture is amd64) with kernel version 3.13.0-44-generic on an HP Pavilion g7-1350dx. Output of lspci | grep -i vga to find GPU is as follows: 00:01.0 VGA ...
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22 views

Display goes weird on raising lid after keeping it closed for some time

I've got Ubuntu 14.04 on my Sony Vaio SVE15137. The issue is, when I shut the lid of the laptop (my settings let it stay running, it doesn't suspend or lock the screen), and raise the lid after,say, ...
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34 views

Ubuntu suspend not working

I have Ubuntu 14.10 64-bit, use Gnome as desktop environment, if that's important. When I first switched from mother Microsoft to Linux realm, neither hibernate nor suspend worked - the pc failed to ...
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1answer
37 views

Closed laptop lid during installation, black screen

I tried to perform an installation of Ubuntu 14.04 in a dual boot setup with Windows 8.1 using a LiveUSB. I selected a 17GB disk to install Ubuntu on. The disk was empty according to Windows, and ...
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30 views

How to run scripts on screen sleep / wake

I'm wondering how to run a script when the screen times out and when it wakes. I am not talking about hibernate or suspend, but only when the screen turns off. The reason is I have a LED keyboard and ...
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100 views

Synaptics Touchpad unrecognized after Suspend in Ubuntu 14.04 on Dell Inspiron 11 3147

I have nearly the same issue as this other queston on my Dell inspiron 11 3147, running Ubuntu 14.04 LTS. The touchpad works when I first login, if I logout and log back in it still works however ...
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41 views

Freeze on Loading Screen at Shutdown and Boot + apport Error Message

Yesterday I dual booted Ubuntu 14.04 alongside Windows 8.1, which came pre-installed on my Dell Inspiron 11. Since then, the Ubuntu loading screen with the orange and white dots has frozen numerous ...
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1answer
85 views

How to set hibernate/shutdown timers? XFCE power manager not having an effect in Lubuntu

I like to fall asleep listening to internet radio or a streaming video. I would prefer to have my computer go into hibernate mode an hour after I've become inactive, not 15 minutes after. I would ...
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32 views

Ubuntu 14.04 LTS - Wifi Doesn't work until I press Suspend and Resume

When I boot up my laptop running Ubuntu and log in to my user account, the wifi does not connect. When I click the wifi icon in the top right, all the options are disabled except from VPN Connections. ...
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79 views

SD card won't mount (or even be recognized) after resuming from suspend

My 32GB SD card (FAT32) does not have any problem mounting perfectly if my laptop (running Ubuntu 14.04) never goes into suspend (after I close its lid). But once I re-open the lid, retyping my ...
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52 views

Why is my keyboard unresponsive after suspend?

This happens around 50% of the time on my Toshiba Satellite-P55t running Ubuntu 14.04. Problem: When I resume from suspend, the local keyboard and trackpad stop working. Touchscreen, external ...
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59 views

PC in dual boot can't resume after suspend

I'm new to this site, I hope I made a good choice in posting about my problem here. I've bought a laptop (Lenovo G50) where Windows 8 was pre-installed and then, following more or less the steps ...
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21 views

Macbook 9,1 Ubuntu 14.04 keyboard issues on resume

I have read many similar post and tried nearly all post to no avail. Screen and keyboard illuminates; but no keys actually work. (I tried the F6 trick too) Trackpad does allow me to move the ...
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23 views

hibernate behave like shutdown. how to debug?

I'm running Ubuntu 14.04 64bit with nvidia driver 304. Hibernate is not working, and behave like a normal shoutdown. I have 8GB(7871MB) Ram and 8794MB of Swap partition. In /var/log/pm-suspend, ...
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64 views

Macbook Pro 13 Retina Trusty: suspend and resume doesn't work correctly

I recently installed Ubuntu on my Macbook 13'' (with retina display) successfully. The only problem is that sometimes, when I close and then open the lid on my laptop (I have it set to suspend when ...
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0answers
37 views

Can't adjust brightness after suspending

I just installed Mint 17.1 (Couldn't find a Mint StackExchange, but it's based on Ubuntu) on an 11" Macbook Air. It works fantastically well right out of the box, however, if I suspend the computer, ...
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50 views

Suspend/Resume Lenovo

I have occasionally problem with ubuntu 14.10(or 14.04), when I wake up from sleeping, screen remains black. My notebook is Lenovo IdeaPad Z50-70 and graphics is NVIDIA GeForce GT 840M 4GB. Is there ...
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2answers
143 views

Ubuntu brightness indicator stops working upon laptop open/close

So I installed Ubuntu 14.04 on a 2011 edition MacAir, and I had the common problem of being stuck with either full screen brightess or pure darkness, with no options in between. I installed ...
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1answer
88 views

After suspend, steam client freezes on startup but works again after a reboot

Steam works fine but it hangs when I apply the following steps: Start steam Stop steam suspend my laptop (after wakeup) start steam Now the steam client hangs at startup. I only see a blank popup ...
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117 views

Suspend is not working in ubuntu 14.10 after upgrade

I have updated my old version of Ubuntu 14.04 LTS to Ubuntu 14.10. I thought it would be more helpful than the earlier one. But after updating I have faced a lot of new problems which were absent in ...
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103 views

Black screen and no wifi after resume from suspend (laptop Lenovo, system Ubuntu 14.10)

Very ofter, but not everytime, I have a black screen and no wifi after resume from suspend. My version of Ubuntu is 14.10, and my laptop is Lenovo G50-30. I have read many similar questions and ...
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29 views

Wrong display driver after resume from suspend/hibernate

My PC has two graphic adapters: (external) nvidia and (built-in) intel. Normally only one is used and connected to display - the nvidia. That how it was auto-detected during install, and normally I ...
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0answers
112 views

Touchpad not recognized after suspend (Ubuntu 14.04, Thinkpad T420)

My Thinkpad T420 has had problems with recognizing the touchpad since I updated to Ubuntu 14.04. Immediately after logging in, it can recognize the touchpad, and all is fine. However, if I suspend, ...
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50 views

Laptop hangs instead of suspends when closing lid

I have a HP Pavilion DV6 laptop with Ubuntu 14.04 LTS dual boot with Windows 8. Not every time but occasionally if I close the laptop lid it does not suspend as it should, but hangs with the power ...
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1answer
71 views

WIFI disabled when computer wakes from sleep

Ubuntu 14.04 LTS I don't know why and I have tried everything I have to restart my computer every time it goes to sleep to gain access to the wifi. After sleep: sudo rfkill list 1: phy0: Wireless ...
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0answers
42 views

Display color goes haywire when resuming from lock screen

Resuming the computer from locked screen sometimes ends up distorting the display. It happens randomly and restarting the computer is one workaround for it. I tried this : ALT+F2 ,then type ...
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0answers
129 views

Lenovo Yoga 2 Pro - Ubuntu 14.xx - X freezes when resuming from suspend

The problem is that my new Lenovo Yoga 2 Pro (lshw results) does not resume from suspend very well. I've collected the following data: This happens on Ubuntu 14.04.1 LTS - both with the original ...
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1answer
55 views

Laptop lid power options

How do I configure my laptop to perform in the following manner in Ubuntu 14.04.1 Server? Current State When the laptop is powered on and the lid is closed: External screen loses signal Laptop enters ...
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0answers
43 views

Session locked after xubuntu-desktop installing

After the installing xubuntu-desktop i've removed it. Now when my PC go to sleep mode and wake up then i see standard ubuntu login window. Ok. I write my password and i see black screen with randomly ...
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0answers
117 views

Open source AMD driver causes CEC failure

I'm running Ubuntu 14.04 on my HTPC. After completing a fresh install, I only loaded KODI via apt-get. With the default open source driver for AMD Radeon R7 in use, cec doesn't work in XBMC. After ...
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22 views

ATA4 softreset - device not ready

Can anyone help with this please? on resume from suspend, there is a pause before the login greeter comes up then all is fine. During the pause the ata4 soft-reset message comes up. Can anyone ...
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44 views

External USB HDD no longer going to sleep

I recently installed lm-sensor and smartctl on my headless ubuntu server (14.04.1). Since then I have noticed that the external USB HDD that I have attached to the machine is no longer going to ...
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89 views

Second hard drive not detected after wake from sleep

I'm fairly new to Ubuntu and think I have a pretty good understanding of how it works but I haven't used these sites much so I hope my terminology is correct when asking questions about this stuff. ...
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0answers
75 views

No touchpad and keyboard on Toshiba Sattelite at start

I have a big problem because I can't log in to Ubuntu on my computer, because when I see the login screen, nothing works. Originally, I solved the problem using this soplution (I pressed NumLock when ...
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0answers
65 views

Cannot wake up from hibernate 14.04

I've brought a new laptop(Lenovo Thinkpad Edge e440). My laptop doesn't want to wake up from hibernation (i'm pressing any key or power button, but there's no reaction from PC) . Where's problem ? ...
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76 views

Realtek ALC662 rev3 speaker problem

I have a strange problem with Ubuntu 14.04 and the Speaker of a particular PC (all-in-one, builtin speaker). cat /proc/asound/card0/codec* | grep Codec Codec: Realtek ALC662 rev3 Codec: Intel ...