Questions tagged [suspend]

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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Only getting Dummy Output audio after resuming Kubuntu

After upgrading from Kubuntu 19.04 to Kubuntu 19.10 I've started having issues with only having a Dummy Output sometimes when resuming my PC from standby. I've noticed that this issue seems to occur ...
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36 views

How to prevent re-login upon returning from sleep after lid is closed? (manual sleep works ok)

On Ubuntu 19.10, when closing the lid, the laptop goes into sleep. When opening the lid, the power is resumed and immediately seeing the screen to choose the user. After choosing the user and typing ...
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1answer
959 views

How to disable account logoff when closing lid of laptop

I am trying to set up a home cloud server on my old Ubuntu laptop However when i leave it running and close the lid of my laptop of course I get logged out and the process stops. Is there a way to ...
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1answer
322 views

HP Spectre x360 does not wake up from suspend correctly after upgrade to 17.10 [on hold]

Since the upgrade to 17.10, my HP Spectre x360 almost never wakes up from suspend correctly. It sometimes (rarely) does, but most of the time, it reboots. Sometimes, it does not reboot but displays a ...
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8 views

Why do valid questions get closed without providing any help? [migrated]

I run into this problem often. Case in point: 19.10 seems to have broken suspend on my MB Pro This user has a reputation of 111, appears to be an active contributor, and actually has the same ...
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97 views

Ubuntu 19 problem getting into sleep mode

I hoped by now that installing Ubuntu/linux would be easy by now. But oh what was I wrong. I have one problem left. My dell xps 15 won't go into sleep mode. I got this error message in dmesg when it ...
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2answers
2k views

Prevent sleep if CPU usage is high

Is there a simple way to prevent the PC from going to sleep if there is high CPU activity? I need to run long processes overnight, so I want the PC to stay up while my processes are running, without ...
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2answers
1k views

MY PC restarts when sleep mode entered

I have a rather serious sleep/ restarts issue with my HP Ellitebook 8440p processor intel core i5. The issue does not seem to depend on the OS, windows and now with ubuntu 16.04. After entering the ...
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14 views

Acer Aspire 5 Won't Resume from Sleep

My Acer Aspire 5 A515-43-R19L (Ryzen 3) running Ubuntu 18.04.3 LTS won't wake up after it goes to sleep. My keyboard lights up when I hit a key to try to wake it up, but nothing further happens and ...
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13 views

Override GNOME 3's Slow Screen-Lock Recovery

In Ubuntu 19.10, I have "Screen-Lock" turned off: However, the desktop still goes into the same state it would if "Screen-Lock" were turned on; the only difference is: you don't have to type in your ...
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3answers
5k views

USB ports unavailable after suspend

My problem is that after installing Ubuntu 12.04 on my laptop, suspend did not work. Through this training, I solved the suspend problem. But after resume from suspend my USB ports become unavailable.
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How do I tell what's preventing sleep on Ubuntu? My box won't sleep automatically!

Manually sleeping my Ubuntu desktop from a menu works fine. I've set preferences to "Suspend when inactive" for "5 Minutes". Yet the computer often does not sleep. On Windows, I use powercfg -...
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26 views

Suspend hangs when WinTV USB Tuner attached

Running MythTV v29 under Ubuntu 18.04 (Bionic Beaver, NOT mythbuntu) on a Dell N7010 laptop using a WinTV-HVR-955Q USB tuner stick. Everything was installed from the built-in Ubuntu apt repositories. ...
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1answer
4k views

Ubuntu 19.04 hibernate/suspend

I want my notebook (Lenovo-U31-70) to be able hibernate/suspend and i can't do that. I think that i test all the basic solutions I find and nothing works... I need help to understand what it can be. ...
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1answer
46 views

Ubuntu 18.04.3 LTS can't wake computer from sleep/suspend

Ubuntu 18.04.3 LTS can't wake computer from sleep/suspend. This issue is forcing me to have to hard shut off/restart my computer every time the computer sleeps
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1answer
80 views

GParted Freezes the whole system Help ASAP

I’m running a gparted session right now and it seems to have frozen the system. Mouse movement works, and that's about it. Clicking has no response, super key does nothing, ctrl alt t does nothing and ...
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231 views

how to take the total working hours of the system in a day?

I need to take the total working hours of the system in a day. That means, take time between power on and shutdown and also subtract the time of system were suspend. Final output must be total working ...
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29 views

Window maximization problem after wake from sleep/suspend

Ubuntu 18.04 on a Dell XPS 15 9560. I have a recurring issue since installation regarding maximized windows. For most applications such as Nautilus and eVince, I can maximize the window either by ...
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28 views

How to debug “suspend-then-hibernate” returning “Failed to read time: -9”?

I have been using suspend-then-hibernate on my laptop to suspend and have it go to hibernation after a delay. This used to work just fine. Recently, this command is not working anymore. When I run it,...
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1answer
855 views

Ubuntu 18.04 drains battery very fast after wake up from a deep sleep

I'm a happy owner of the Dell XPS 9570 laptop with Ubuntu 18.04 LTS installed (kernel 4.15.0-46, nouveau driver). It works really well, and its battery life is also great... well, at least until wake ...
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0answers
19 views

Set pm-suspend as default

Because the command systemctl suspend doesn't work on my computer while pm-suspend apparently works correctly and the device enters sleep mode. I would like to make the last one as default, that ...
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1answer
131 views

Screen Rotates After Closing Laptop Lid HP, Ubuntu 18.04.02

I have checked other posts about randomly rotating screens, and screens that rotate after sleep. I have tried the following to no avail: 1. Lock Screen Rotation Problem persists. 2. Disable Gnome ...
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26 views

Suspend mode never turns off the screen

I have Xubuntu 18.04 and when I suspend the device, the light of the shutdown button flashes indicating that it entered into sleep mode correctly, but the screen never turns off, it goes black and ...
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3answers
3k views

Black screen on laptop lid open after update to 15.04

I suspend my laptop by closing the lid, but when I open it my screen stays black, when I should be prompted to enter my xscreensaver password. The screen is "on" because I can switch TTY using Ctrl+...
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32 views

Why does the display turn blank on a Thinkpad W541 when closing and opening the lid?

I have a Thinkpad W541 which only shows a blank screen after opening the lid. The laptop doesn't go into suspend, everything is running while the lid is closed, and for a fraction of a second when ...
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51 views

Suspend randomly fails on Ubuntu 18.04

Sometimes suspending my PC does not work with Ubuntu 18.04. This happens randomly. If this happens, the power LED is blinking, the fans keep running (at current RPM, NOT maximum) and the computer ...
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49 views

How much power does suspend save?

In 18.04 I Suspendthe PC when I leave the desk. I was hoping that it will save some power. Is that what actually happens ? Do the board and HDD draw less power and monitor none ?
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2answers
3k views

This session is locked - problem

When I try to login after resuming from a suspend, I get this message with a huge lock icon. This session is locked - you will be redirected to the unlock dialog automatically in a few seconds ...
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3answers
827 views

Ubuntu 19.10 on Dell XPS 13 2-in-1 7390 Suspend problem

I just got a Dell XPS 13 7390 (2-in-1). It was originally shipped with Windows 10, then I installed Ubuntu 19.10, dual boot with the original Windows 10. The problem I have now is that after I ...
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32 views

Intel NUC NUC5i3RYH WOL problems

An Intel NUC NUC5i3RYH runs Ubuntu Server 18.04.3; it won't reliably wake-on-lan. About every 3rd or 4th resume from sleep, Ubuntu fails to re-establish the network. Here are entries from journalctl ...
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4answers
3k views

Ubuntu 18.04 doesn't detect bluetooth devices anymore after waking from suspend

Bluetooth was working fine on my laptop (Acer Aspire V17 Nitro) running Ubuntu 18.04, until I used Suspend for the first time and woke it up again. It doesn't detect any devices anymore. Things I've ...
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0answers
61 views

Ubuntu 19.04 fail to suspend on idle

I have a desktop machine running ubuntu 19.04 until a couple of days ago, while the machine goes idle correctly, after the latest software upgrades, it doesn't run correctly: Now, the system first ...
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1answer
31 views

rtcwake only using tomorrow if time is passed

my server goes to sleep after 30 minutes idle. And I need to wake up my server every day at 3am. So far I use the following cron entry: @reboot /usr/sbin/rtcwake -m no -u -t $(date +\%s -d `tomorrow ...
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131 views

19.10 seems to have broken suspend on my MB Pro [closed]

I upgraded from 19.04 to 19.10 and now my MacBook Pro won't suspend properly. It's an old 2010 MBP, was working fine before. If I close the lid, it appears to sleep, but the sleep light on the front ...
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1answer
72 views

WiFi doesn't work after suspend 18.04 HP Laptop

I am able to connect to wifi before suspend, but afterwards it fails to connect. The network is listed but when I click connect it keeps on giving me the error Connection Failed. Activation of network ...
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1answer
132 views

Is there a difference between Ubuntu with MATE installed after and the pre-made Ubuntu MATE edition?

I have two computers, one that used Ubuntu 16.04 with Unity, and another with Ubuntu MATE installed from the Ubuntu MATE website. When I installed MATE on my Unity computer, I started getting issues ...
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1answer
119 views

PC enters a 'sleep' mode after inactivity, won't turn back on

After maybe 30 minutes of inactivity, my pc stops all running programs and the screen goes black. The power light starts flashing and no input from the mouse, keyboard, or case buttons does anything. ...
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243 views

Ubuntu wakes up immediately after suspend, no usb attached

I just installed Ubuntu 18.04 on a newly bought Thinkpad p53s; but every time I suspend the PC, it will suspend for one second and then immediately wake up. I have tried multiple methods mentioned ...
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53 views

Laptop not responding and overheating in bag [duplicate]

This happens when I close the lid/suspend with power button, and put the laptop into my bag. When I take it out the laptop is overheating, and is frozen. The screen usually is on when I open the lid, ...
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0answers
41 views

X server doesn't “wake up” upon resume from suspend

I run 19.04 on a Lenovo Thinkpad X1 Carbon (6th gen) HW manual. I've been using Ubuntu on it since I bought it in December 2018, and since then suspend/resume has worked without incident. There used ...
3
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1answer
388 views

New Ubuntu 16.04 Suspend Problem

For months, I have been using 16.04 with a Dell U2415 monitor and an AMD desktop. I was able to suspend and then resume. In the past few days, the monitor is dark when I resume and I have to power ...
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0answers
26 views

ubuntu 18.04 battery drains in suspend, can't always wake

I have a Dell Precision 7730 and until last week it worked just swell, but after an apt upgrade I have battery and lightning dock issues galore. a: the battery drains quick in deep suspend. $ ...
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0answers
64 views

Why does my screen show noise when coming back from sleep using Gnome Shell?

I am using: Ubuntu 19.10 (but the same thing happens on 18-19) (on Xorg) Gnome shell The Nvidia proprietary display driver When my computer goes to sleep and then turns back on screen content, ...
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2answers
60 views

Computer shutting down as if the adapter was unplugged

I'm using ubuntu 16.04 with dual boot. Recently, I've noticed that my laptop would just power off suddenly as if you had a desktop computer that was unplugged. No, it doesn't go through the proper ...
3
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3answers
2k views

Ubuntu 18.04 - Suspend Issues

After a clean installation of Ubuntu 18.04, I realize that the sleep mode does not work. When I suspend from the menu button or with the sudo pm-suspend command, the screen turns off but the power LED ...
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0answers
82 views

Cannot suspend/wake up

I have a Lenovo Thinkpad X1 Extreme (type 20MF), and it doesn't come out of suspend. Is there a particular deficiency in Ubuntu 18.04 that causes this to not work on this hardware? It's supposed to be ...
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2answers
306 views

Dell 7490 system does not suspend correctly with Ubuntu 18 with any kernel

My problem is that suspend often does not work correctly in my Dell Latitude 7490 laptop. The OS seems to think that the computer went to suspend, but it does not, the power light keeps on and it ...
2
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1answer
60 views

Accidentally set 'sleep-inactive-ac-timeout' too low

My desktop is on AC power and is set to suspend after a certain amount of time. $ gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type 'suspend' Then I ran this command: ...
2
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1answer
459 views

Suspend issue on kernel 5.0

So recently I've been having issues with suspend on both of my ubuntu machines but the laptop is more important so I'll start there. My laptop on 18.04.2 recently got an update for kernel 5.0.0-23. ...
8
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1answer
1k views

Restarts after waking from sleep on Ubuntu 18.04

So far a number of times i faced this issue that the Ubuntu kind of restarts after opening it from sleep. While i expect it resumes the previously opened applications it show an empty desktop with no ...