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 XFCE no keyboard on wake from suspend

I am running Ubuntu 15.10 with xfce4 replacing Unity. Whenever I suspend my laptop (Sony Vaio vgn-nr260e, 2gb ram, 200gb hdd, previously ran Vista) and wake it, the keyboard will work fine for typing ...
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Mouse movement wakes computer from suspend, can't disable it

When my laptop goes to suspend, a slight mouse movement wakes my laptop up. This is bad when I am packing my pc into my bag and accidentally move my mouse. PC stays up during the ride consuming ...
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32 views

Wifi hotspot issues with Ubuntu Gnome after sleep

Okay, so I've been using my laptop with Ubuntu Gnome installed for some weeks now. And every now and then, I use my android phone to create a wifi hotspot when I'm on the move. My issue is that ...
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48 views

Suspension problem

I recently installed Ubuntu 14.04 LTS to dual boot with Windows 8.1. In the past (immediatly after installing Ubuntu) after I suspended my computer the screen went black. But I "corrected" this ...
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71 views

Suspend Problem Ubuntu 15.10 - half resolved

I have done a good job of narrowing down this problem, but I don't know how to troubleshoot the next step. I am running a Dell XPS 15 9530. Any form of the systemd suspend/hybrid-sleep/hibernate do ...
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1answer
50 views

Logged out on resume from sleep ubuntu 15.10

I use command sudo pm-suspend to put my laptop to sleep and when I resume from sleep my session logs out and saved session is lost. It does not happen every time but very often.
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1answer
49 views

Why Ubuntu 14.04 not Sending Correct Awakening Signal to a Display after sleep?

I have Ubuntu 14.04 which is not waking up a display if left running for the night. I must each time restart the PC and after which the PC detects the signal (using VGA). In the long run, the ...
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1answer
19 views

How does this bash script for suspending work?

Please explain how DESIRED and NOW are being used, as well as what % is doing. if [ $# -lt 1 ]; then echo "Usage: suspend_until HH:MM" exit fi # Check whether specified time today or ...
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41 views

Ubuntu 15 randomly suspends

I just flashed ubuntu 15 on my Razer Blade Stealth, and it works fine, but if you close the lid without suspending first after that the laptop will randomly suspend until you reboot. Anyone know a ...
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1answer
283 views

CPU clock slower after each resume from sleep

I'm running kubuntu 15.10 on a Lenovo Y50-70, and I have a very annoying problem with the CPU clock: Whenever the computer resumes from sleep, the CPU clock has a lower maximum, and this does not ...
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30 views

xinput list is not returning touchpad id when run on resume as a script in /etc/pm/sleep.d

following this post, i have set up the script suggested by Andre Stannek on my Dell 5570 running ubuntu 14.04 to get it to turn my touchpad on when I resume, if I'd turned if off before suspending. I'...
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24 views

My laptop sometimes becomes frozen when it suspends

Sometimes on my laptop when it suspends and then I open the lid, it becomes frozen and with the black screen. It's not turned off, it's just frozen. One time I closed the lib and after 1 minute ...
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44 views

Laptop fails to suspend

I installed ubuntu 14.04 on my mothers's rather old machine and I am facing an odd problem. The computer can't suspend. The screen turns off well but when the PC should suspend, the screen wakes up. ...
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36 views

How to get a VirtualBox VM to suspend as though I have just closed my laptop's lid?

I am doing some debugging and I am in need of getting an Ubuntu GNOME VM (it will either be 15.10 or 16.04) to suspend as though I have just closed my laptop's lid (don't tell me just to press the ...
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1answer
117 views

After sleep state, PC with Xubuntu doesn't let me shut down the system

I have been using Xubuntu as my main system for 3 weeks, but I noticed only today that after the PC has woken up from the sleep state it doesn't let me shut down the system. I tried to shut down by ...
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80 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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30 views

My laptop doesn't get suspended properly

On Ubuntu 14 it's worked well always. But on Ubuntu 15.10 when I close the lid, it's not going to sleep properly anymore: the display gets "black" but the laptop actually doesn't get suspended because ...
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62 views

Ubuntu 15.10 Wireless is not found after suspend computer

My situation is when I suspended my computer, and then awake my computer. Then my Wi-Fi is not working anymore, I have to reboot the computer, so Wi-Fi will come back again. before suspended my lspci ...
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3answers
93 views

What are the possible commands to reset a wifi connection?

I am affected by the bug that occasionally my wifi connection is broken on resume from suspend. The problem manifests as follows: Screenshot: What are possible commands I can try to run from the ...
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12 views

Gnome 3 doesn't suspend after inactivity (anymore)

The screen is set to turn off after just 10, and this works. The system is set to suspend after 30 minutes, and this never happens. It is a desktop on AC running ubuntu 14.04.4 and gnome-shell 3.10.4. ...
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1answer
109 views

Disable sleep on laptop lid close in tty1

I'm using Ubuntu Desktop 15.10 on a laptop and it runs an Apache server with SSH as well. When using a GUI, I have the power options set to not sleep at all even when the laptop lid is closed, but ...
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39 views

Ubuntu 15.10 on laptop only wakes up by opening the lid

I have a HP Spectre XT with a defective display (which I disconnected) and use an external display, keyboard and mouse. The laptop so just functions as a desktop. I use the power button on the ...
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33 views

Toshiba Portrege R830 Fn keys not working after suspend

All Fn+ F* keys work OK after startup. After suspend and wake up, they are not working (Fn+Esc Mute, Fn+F2 Power statistics, Fn+F3 Suspend, Fn+F5/F6 Dimming, ...) Fn+3/4 Volume control is ...
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133 views

Ubuntu 15.10: laptop reboots after suspend

When I open the lid after suspending my laptop, the laptop reboots instead of waking up normally. However, this only happens when it's on battery. This only happened today after Ubuntu performed some ...
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22 views

Turn HDD in sleep

I have a laptop with a SSD and a HDD. I used the disks application from Ubuntu to put hem into sleep after a specific time. Works beautifully, but when my laptop wakes from sleep, the HDD isn't ...
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1answer
41 views

Disable USB autosuspend for Wester Digital My Passport Ultra

I recognize this question has been asked on these forums before but I'm having no luck with any of the solutions. Here's my situation. I recently purchased an Intel Nuc. Ubuntu is stored on an SSD, ...
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1answer
78 views

Corrupted installation of ubuntu 15.10

While installing upgrades (I know, the worst moment) my computer went into suspend mode. I thought I had disabled any screensaver, or similar. Evidently I was wrong and now I can access my user only ...
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54 views

Ubuntu suspend without external monitor

Helo! Recently performed a clean install of Ubuntu 15.10, I often use an external monitor. It turns out that now when I try to start the computer without the external monitor before presenting the ...
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35 views

How to debug pm-suspend freeze?

Running 15.10 (32-bit) on a Dell Latitude D630, with kernel 4.2.0-30-generic. When I run sudo pm-suspend or # echo -n mem > /sys/power/state the screen stops moving, mouse doesn't move, ...
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16 views

Sleep mode doesn't last [duplicate]

sometimes, after having set my laptop in sleep mode, I find it awake, hot, an battery-drained. How can I check and solve this issue? Al. EDIT: Conversely to what asked in similar questions, the ...
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53 views

The dead horse liveth: resume after suspend/hibernate with an Nvidia card

I feel I have tried everything I could possibly find on this sad topic, but nothing works. I have a desktop running Ubuntu 15.10. My GPU is a GTX 970, with 3 monitors attached via HDMI (1 native HDMI ...
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What debug steps would you take to debug system not sleeping first attempt but sleeps on the second attempt?

I have a Thinkpad W510 on Ubuntu 14.04. I develop software on this box so have added a ton of software and config to it over the past 2 years. Currently if I put it to sleep, it will go through the ...
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Ubuntu 14.04 wakes up immediately after suspend or shut down after network card firmware update

I know there are many topics regarding the problem of ubuntu waking up immediately after suspend/hibbernate/shut down. Unfortunately I have not found anything that helped my case. First of all my ...
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29 views

Suspend doesn't work 1st time but does second time

First time I suspend, tries to suspend but then comes back to life. Second time works (usually, not always). It is hard to reproduce, every time I see it not suspending and then try again it works as ...
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2answers
294 views

Hard blocked WIFI after suspend

I just purchased a new HP Pavilion 15-ab223cl. I then installed Ubuntu 14.04 (4.2.0-27-generic) in dual-boot with the existing Windows 10. Everything went very smoothly, except that every time I ...
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44 views

xubuntu - resuming after sleep causing graphics problem

I am using Xubuntu 14.04.3 with all defaults, freshly installed yesterday. My graphics card is Intel HD 5500, closing laptop lid has been set to sleep the computer. When I resume by opening the lid ...
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28 views

Error message after waking from sleep

I've recently installed ubuntu (dual booting) on my laptop. Everything works fine, except I get this message whenever I wake my laptop up from sleep. It doesn't seem to cause any obvious problems, ...
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91 views

How to prevent Ubuntu from sleeping after remote reboot?

First, thank you for your time reading this. I have a Ubuntu server and I disabled sleep/hibernate after I logged into the Ubuntu desktop. SSH and remote desktop worked fine. I remotely rebooted the ...
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1answer
101 views

15.10 - Suspend job starts by itself - docked laptop - closed lid - ext. display

I have just installed and set up my HP Elitebook 8440p with Ubuntu Gnome 15.10 64bit and Gnome 3.18 During the installation, everything went nice, while the laptop was docked and the lid was closed. I ...
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0answers
45 views

Ubuntu 14.04 'Suspend' won't work - Samsung ATIV Book 9 Plus

so I'm really new to Ubuntu 14.04 (installed it last night--Windows 10 November build was not compatible with my model). Currently I have my boot partitioned, and everything has been working smoothly ...
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Ubuntu restarts when I restore it from suspension

I have a problem when I suspend Ubuntu. I have ubuntu 15.10 and Windows 10 in dual boot. When I suspend Ubuntu, it suspends normally, but when I restore it from suspension, it restarts. The same goes ...
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58 views

xhc1 breaks suspend ubuntu 15.10

If I try to suspend my pc which is an MacBookAir 2014 model, The computer wakes up for 1/2 seconds and then sleeps. i know that xhc1 is the problem, but disabling this works. The only problem then is ...
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33 views

video problems when resuming from sleep

I am a relatively new Linux user and am installing lxle on my second machine, an old Dell desktop. Putting the computer to sleep works ok but when I turn it back on the screen goes crazy. The entire ...
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19 views

Sleep after video with Caffeine

If the computer idles at the end of a YouTube video in Windows it would go to sleep after a set amount of time (with autoplay disabled). With caffeine the computer will stay awake indefinitely after ...
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2answers
182 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 ...
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116 views

Ubuntu 15.10 Suspend / Resume / Crash Issue

I have an off-brand laptop; an Avatar system running on an Intel i5-3317u. It runs fully updated Ubuntu 15.10 OS. When I suspend the machine, I am able to resume for a short period of time (~1 minute)...
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109 views

Ubuntu does not resume after suspend - Lenovo IdeaPad z510

My OS hangs during starting resume. (Suspend works fine.) System can be rebooted only with CTRL + ALT + Print Screen + REISUB. I have tried downgrade kernel. It does not work( "mce: [Hardware ...
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1answer
37 views

is there a way to turn the computer of by it self at a certain time of the day?

for a long a long time its been a problem for me(the human) to go to sleep early. A part of the problem is definitely that I often been to long by the computer at night i mess up my day rhythm and my ...
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1answer
50 views

Laptop goes to sleep if i close the lid during startup?

I just discovered something weird today. On my system running Ubuntu 15.10, I have set that closing the lid doesn't put my laptop to sleep. But if I close the lid while my pc is starting up or ...
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30 views

How to enable suspend using cron

I am using i3 as a windows manager, and battery low detection goes by the wayside... I sometimes find my PC drained and dead after leaving it to do some work. I found a couple of good battery low ...